Tugas Beton Nando

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    Soal :

    A. Pembebanan

    a. Pembebanan plat Tipe a, c

    Bentang arah y  = 5 m = mm

    1. Data Perencanaan

    Tebal Pelat = m = mmfc' = Mpa = Nmm

    fy = Mpa = Nmm

    Beban Hidup Pelat = = kN/m²

    Berat sendiri beton = kg/m³ = kN/m³

    2. Pembebanan ( diambil lebar pias plat yang dihitung sebesar : 1 m )

    Beban mati :

    Berat sendiri = x 1 x =

    = kN/m

    Beban guna lantai (Hidup) :

    Berat beban guna atap = 1 x = kN/m

    ql = kN/m

    Beban terfaktor qu = 1.2 qd + 1.6 ql = x + x

    qu = kN/m

    2,501,602,88

    2,500

    2,500

    PERENCANAAN PELAT LANTAI

    350

    0,12

    25

    250

    0,12 24,00 2,880

    2400

    120

    25

    350

    2,5

    2,880qd

    5000

    2,50

    1,20

    7,456

    PENYELESAIAN :

    24

    6 m 5 m 6 m 5 m

    6 m

    5 m

    6 m

    a   12

    250

    13

    300

    12

    250

    13

    300

    13 12 13 12

    12 13 12 13

     b   c   d

    e   f    g   h

    lk  ji

    300 300

    300 300

    250 250

    250250

    y

    x

    A   B   C   D   E

    I

    H

    G

    F

    Kg/m2 

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     b. Pembebanan plat Tipe i, k, f, h

    Bentang arah y  = 6 m = mm

    1. Data Perencanaan

    Tebal Pelat = m = mm

    fc' = Mpa = Nmm

    fy = Mpa = Nmm

    Beban Hidup Pelat = = kN/m²

    Berat sendiri beton = Kg/m³ = kN/m³

    2. Pembebanan ( diambil lebar pias plat yang dihitung sebesar : 1 m )

    Beban mati :

    Berat sendiri = x 1 x =

    = kN/m

    Beban guna lantai (Hidup) :

    Berat beban guna atap = 1 x = kN/m

    ql = kN/m

    Beban terfaktor qu = 1.2 qd + 1.6 ql = x + x

    qu = kN/m

    c. Pembebanan plat Tipe e, g, j, l

    Bentang arah y  = 6 m = mm

    1. Data Perencanaan

    Tebal Pelat = m = mm

    fc' = Mpa = Nmm

    fy = Mpa = Nmm

    Beban Hidup Pelat = = kN/m²

    Berat sendiri beton = Kg/m³ = kN/m³

    2. Pembebanan ( diambil lebar pias plat yang dihitung sebesar : 1 m )Beban mati :

    Berat sendiri = x 1 x =

    = kN/m

    Beban guna lantai (Hidup) :

    Berat beban guna atap = 1 x = kN/m

    ql = kN/m

    Beban terfaktor qu = 1.2 qd + 1.6 ql = x + x

    qu = kN/m

    d. Pembebanan plat Tipe b,dBentang arah y  = 5 m = mm

    1. Data Perencanaan

    Tebal Pelat = m = mm

    fc' = Mpa = Nmm

    fy = Mpa = Nmm

    Beban Hidup Pelat = = kN/m²

    Berat sendiri beton = Kg/m³ = kN/m³

    3,000

    1,20 3,12 1,60 3,00

    8,544

    2,880

    qd 2,880

    2,50 2,500

    2,500

    1,20 2,88 1,60 2,50

    7,456

    6000

    5000

    6000

    0,13 130

    25 25

    350 350

    300 Kg/m² 3,0

    2400 24

    0,13 24,00 3,120

    qd 3,120

    3,00 3,000

    350 350

    300 Kg/m² 3,0

    2400 24

    0,12 120

    25 25

    350 350

    250 Kg/m² 2,5

    2400 24

    0,12 24,00

    0,13 130

    25 25

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    2. Pembebanan ( diambil lebar pias plat yang dihitung sebesar : 1 m )

    Beban mati :

    Berat sendiri = x 1 x =

    = kN/m

    Beban guna lantai (Hidup) :

    Berat beban guna atap = 1 x = kN/m

    ql = kN/m

    Beban terfaktor qu = 1.2 qd + 1.6 ql = x + x

    qu = kN/m

    B. Perhitungan Momen

    Dengan menggunakan koefisien momen, didapat :1 Plat i = Plat k  

    Diketahui : Panjang bentang = m

    qu = kN/m

    ● Momen Tumpuan Kiri

    1 2 1 2

    24 24

    ● Momen Lapangan

    1 2 1 2

    14 14

    ● Momen Tumpuan Kanan

    1 2 1 210 10

    2 Plat j = Plat l

    Diketahui : Panjang bentang = m

    qu = kN/m

    ● Momen Tumpuan Kiri

    1 2 1 2

    24 24

    ● Momen Lapangan

    1 2 1 2

    14 14

    ● Momen Tumpuan Kanan

    1 2 1 2

    10 10

    3 Plat e = Plat g

    Diketahui : Panjang bentang = m

    qu = kN/m

    ● Momen Tumpuan Kiri

    1 2 1 2

    11 11

    ● Momen Lapangan

    1 2 1 216 16

    ● Momen Tumpuan Kanan

    = x

    0,13 24,00 3,120

    qd 3,120

    3,00

    qu x L

    kNm= x 7,456 x 6Mu = x qu x L

    x 8,544 x 6

    = 26,8416

    = 11,184

    Mu = x qu x L = x 7,456 x 6

    x7,456 6

    3,000

    3,000

    1,20 3,12 1,60 3,00

    8,544

    = 12,816 kNm

    Mu = x qu x L = x 8,544 x 6 = 21,97029 kNm

    6

    7,456

    6,00

    8,544

    Mu = x qu x L =

    kNm

    = 19,17257 kNm

    Mu = x

    x 8,544 x

    6 = 30,7584 kNm

    6,00

    8,544

    Mu = x qu x L = x 8,544 x 6 = 27,96218 kNm

    Mu = x qu x L = x 8,544 x

    6 = 19,224 kNmMu = x qu x L =

    I H G F

    1/24

    1/14

    1/10

    1/16 1/14

    1/241/11 1/101/11

    6 m 5 m6 m

    http://newkidjoy.blogspot.com/2011/03/perencanaan-struktur-beton-pelat-lantai.htmlhttp://newkidjoy.blogspot.com/2011/03/perencanaan-struktur-beton-pelat-lantai.html

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    1 2 1 2

    11 11

    4 Plat f = Plat h

    Diketahui : Panjang bentang = m

    qu = kN/m

    ● Momen Tumpuan Kiri

    1 2 1 2

    11 11

    ● Momen Lapangan

    1 2 1 2

    16 16

    ● Momen Tumpuan Kanan

    1 2 1 2

    11 11

    5 Plat a = Plat c

    Diketahui : Panjang bentang = m

    qu = kN/m● Momen Tumpuan Kiri

    1 2 1 2

    10 10

    ● Momen Lapangan

    1 2 1 2

    14 14

    ● Momen Tumpuan Kanan

    1 2 1 2

    24 24

    6 Plat b = Plat dDiketahui : Panjang bentang = m

    qu = kN/m

    ● Momen Tumpuan Kiri

    1 2 1 2

    10 10

    ● Momen Lapangan

    1 2 1 2

    14 14

    ● Momen Tumpuan Kanan

    1 2 1 2

    24 24

    6,00

    7,456

    Mu = x qu x L = x

    Mu = x qu x L = x 8,544 x 6 = 27,96218 kNm

    7,456 x 6 = 24,40145 kNm

    Mu = x qu x L = x 7,456 x 6 = 16,776 kNm

    x 7,456 x

    6 = 24,40145 kNm

    5,00

    7,456

    Mu = x qu x L = x 7,456 x 5 = 18,64 kNm

    Mu = x qu x L = x 7,456 x

    5,00

    8,544

    Mu = x qu x L = x

    5 = 13,31429 kNm

    Mu = x qu x L = x 7,456 x 5 = 7,766667 kNm

    Mu = x qu x L =

    8,544 x 5 = 21,36 kNm

    Mu = x qu x L = x 8,544 x 5 = 15,25714 kNm

    5 = 8,9 kNmMu = x qu x L = x 8,544 x

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    Berikut rekapan momen dapat diperhatikan pada tabel berikut :

    Plat a

    Plat b

    Plat c

    Plat d

    Plat e

    Plat f  

    Plat g

    Plat h

    Plat i

    Plat j

    Plat k  

    Plat l

    C. Penulangan Plat1. Penulangan Plat a dan c

    a) Tumpuan Kiri

    Tebal pelat (h) = mm

    Tebal penutup (p) = mm

    Ditentukan diameter tulangan f p = mm

    Tinggi efektif d  = h – p – ½ f p

    = - - ½ = mm

    fc' = Mpa = , untuk fc' < 30 Mpa

    fy = Mpaβ1 fc'

    + fy

    x x

    +

     ρ maks = x

    = x

    =

     ρ min =

    Mu = kNm = x Nmm

    x

    x 94 ²

    fc x 25

    1 2 m Rnm

    =0,85 0,85

    0,85=

    fy

    600

    600

    0,0244

    = 0,0326

    0,75

    0,75 0,0326

    25

    350x

    600

    600

    350

    x

    25

    350

    0,85

    12

    120 20 12 94

    Rn =Mn

    = =1000b . d²

    18,640 18,64

    Mn =Mu

    ɸ=

    18,64

    0,8

     ρ = 1 -fy

    =m0,85

    fy=

    0,85

    350

    Tumpuan Kiri Lapangan Tumpuan Kanan

    MOMEN (kNm)

    19,173 26,842

    21,970 30,758

    19,173

    18,640

    21,360

    18,640

    21,360

    27,962

    24,401

    27,962

    24,401

    11,184

     ρ b

    fy

    1,4=

    1,4

    350=

    26,842

    21,970 30,758

    PLAT

    12,816

    11,184

    12,816

    13,314 7,767

    15,257 8,900

    13,314 7,767

    15,257 8,900

    19,224 27,962

    16,776 24,401

    19,224 27,962

    16,776 24,401

    0,004

    10 ⁶

    10 ⁶23300000,000 Nmm

    2,636939792 N/mm²23300000,00

    120

    20

    16,47059=

    =

    M terbesar 30,75821,97027,962

     ρ 

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    2 x x

    =

     ρ min = <  ρ = <  ρ maks=

     ρ =

    Asperlu = ρ b d = x x = mm

    Diperlukan tulangan Ø 12 -

    1 22 2 2

    4 7

    As ada > As perlu OK 

    Maka, Dipakai tulangan Ø 12 -

    Menentukan tulangan bagi tumpuan kiri

    Ditentukan diameter tulangan f p = mm

    As bagi = 20% As perlu 20% x = mm2

    As bagi = 0,002 . b . h = x x = mm2

    → Dipilih yang terbesar, As bagi mm2

    s =

    = x x2

    x

    = mm

    s ≤ 5 h = 5 x =

    s ≤ mm

    → Dipilih yang terkeci ≈ mm

    As ada =

    = x x2

    x

    =mm

    2

    > As bagiAs ada > As perlu OK 

    → dipakai tulangan 8 - mm200

    200

    1/4 . π .Ф2 .b

    s

    0,25 3,142 8 1000

    200

    251,327

    758,627 151,725

    1000 240120

    8

    0,002

    240

    1/4 . π . Ф2 .b

    = ρ1

    16,47059-

    As ada x x 12 x1000

    120

    10000,008071 758,6273

    120

    = = 942,9 mm

    116,47059 2,63694

    1350

    0,008071

    0,008071dipakai

    0,004 0,0080705 0,0244

    94

    120

    As bagi

    0,25 3,142 8 1000

    240

    209,44

    120 600

    450

    209,440

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     b) Lapangan

    Tebal pelat (h) = mm

    Tebal penutup (p) = mm

    Ditentukan diameter tulangan f p = mm

    Tinggi efektif d  = h – p – ½ f p

    = - - ½ = mm

    fc' = Mpa = , untuk fc' < 30 Mpa

    fy = Mpa

    β1 fc'

    + fy

    x x

    +

     ρ maks = x

    = x

    =

     ρ min =

    Mu = kNm = x Nmm

    x

    x 94 ²

    fc x 25

    1 2 m Rn

    m

    2 x x

    =

     ρ min = <  ρ = <  ρ maks=

     ρ =

    Asperlu = ρ b d = x x = mm

    Diperlukan tulangan Ø 12 -

    1 22 2 2

    4 7

    As ada > As perluOK 

    Maka, Dipakai tulangan Ø 12 -

    530,5197

    200

    As ada

    =0,85 0,85 25

    x600

    350 600 350

    0,75

    0,75 0,0326

    0,0244

    1,4

    16,47059 1,883528

    = 0,0326

    =1,4

    =

    350

    0,005644

    0,004 0,0056438 0,0244

    dipakai 0,005644

    0,005644 1000 94

    120

    20

    12

    0,004fy 350

    13,314 13,314286 10 ⁶

    Mn =Mu

    =13,314 10 ⁶

    = 16642857,143

    120 20 12 94

    25 0,85

    350

     ρ b =0,85

    x600

    fy 600

    m =fy

    =350

    = 16,470590,85 0,85

     Nmmɸ 0,8

    Rn =Mn

    =16642857,14

    = 1,883528423 N/mm²b . d² 1000

    12 x1000

    = 565,7 mm200

     ρ = 1 -fy

     ρ =1

    1 1 -16,47059

    200

     ρb

    = x x

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    Menentukan tulangan bagi Lapangan

    Ditentukan diameter tulangan f p = mm

    As bagi = 20% As perlu 20% x = mm2

    As bagi = 0,002 . b . h = x x = mm2

    → Dipilih yang terbesar, As bagi mm2

    s =

    = x x2

    x

    = mm

    s ≤ 5 h = 5 x =

    s ≤ mm

    → Dipilih yang terkeci ≈ mm

    As ada =

    = x x2

    x

    = mm2

    > As bagi

    As ada > As perlu OK 

    → dipakai tulangan 8 - mm

    c) Tumpuan Kanan

    Tebal pelat (h) = mm

    Tebal penutup (p) = mmDitentukan diameter tulangan f p = mm

    Tinggi efektif d  = h – p – ½ f p

    = - - ½ = mm

    fc' = Mpa = , untuk fc' < 30 Mpa

    fy = Mpa

    β1 fc'

    + fy

    x x

    +

     ρ maks = x

    = x

    =

     ρ min =

    Mu = kNm = x Nmm

    x

    20 100

    450

    209,440 200

    1/4 . π .Ф2 .b

    s

    0,25 3,142 8 1000

    200

    251,327

    200

    8

    530,520 106,104

    0,002 1000 120 240

    240

    1/4 . π . Ф2 .b

    As bagi

    0,25 3,142 8 1000

    240

    209,44

    7,767 7,7666667 10 ⁶

    0,0244

    1,4=

    1,4= 0,004

    fy 350

    0,85

     ρ b =0,85

    x600

    fy 600

    =0,85 25

    x600

    94

    25 0,85

    350

    Mn =Mu

    =7,767 10 ⁶

    = 9708333,333 Nmmɸ 0,8

    = 0,0326350 600 350

    0,75  ρb

    0,75 0,0326

    120

    20

    12

    120 20 12

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    x 94 ²

    fc x 25

    1 2 m Rn

    m

    2 x x

    =

     ρ min = <  ρ = <  ρ maks=

     ρ =

    Asperlu = ρ b d = x x = mm

    Diperlukan tulangan Ø 12 -

    1 22 2 2

    4 7

    As ada > As perlu OK 

    Maka, Dipakai tulangan Ø 12 -

    Menentukan tulangan bagi tumpuan kanan

    Ditentukan diameter tulangan f p = mm

    As bagi = 20% As perlu 20% x = mm2

    As bagi = 0,002 . b . h = x x = mm2

    → Dipilih yang terbesar, As bagi mm2

    s =

    = x x2

    x

    = mm

    s ≤ 5 h = 5 x =

    s ≤ mm

    → Dipilih yang terkeci ≈ mm

    As ada =

    = x x2

    x

    = mm2

    > As bagi

    As ada > As perlu OK 

    → dipakai tulangan 8 - mm

    0,002 1000 120 240

    240

    1/4 . π . Ф2 .b

    As bagi

    0,25 3,142 8 1000

    240

    209,44

    20 100

    450

    209,440 200

    8

    303,137 60,627

    350

    1000

    16,47059 1,098725

    m =fy

    =350

    = 16,470590,85 0,85

    Rn =Mn

    =9708333,33

    = 1,098724913 N/mm²b . d²

    200

    As ada = x x 12 x1000

    =

    0,003225

    0,004 0,0032249 0,0244

    dipakai 0,003225

    0,003225 1000 94 303,1367

     ρ = 1 -fy

     ρ =1

    1

    565,7 mm200

    200

    1 -16,47059

    0,25

    1/4 . π .Ф2 .b

    s

    3,142 8 1000

    200

    251,327

    200

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    2. Penulangan Plat b dan d

    a) Tumpuan Kiri

    Tebal pelat (h) = mm

    Tebal penutup (p) = mm

    Ditentukan diameter tulangan f p = mm

    Tinggi efektif d  = h – p – ½ f p

    = - - ½ = mm

    fc' = Mpa = , untuk fc' < 30 Mpa

    fy = Mpa

    β1 fc'

    + fy

    x x

    +

     ρ maks = x

    = x

    = ρ min =

    Mu = = x Nmm

    x

    x 104 ²

    fc x 25

    1 2 m Rn

    m

    2 x x

    =

     ρ min = <  ρ = <  ρ maks=

     ρ =

    Asperlu = ρ b d = x x = mm

    Diperlukan tulangan Ø 12 -

    1 22 2 2

    4 7

    As ada > As perlu OK 

    Maka, Dipakai tulangan Ø 12 -

    As ada x x 12 x1000

    = 942,9 mm120

    120

    1 -16,47059 2,468565

    16,47059 350

    0,007519

    0,004 0,0075186 0,0244

    dipakai 0,007519

    0,007519 1000 104 781,9319

    120

    10 ⁶

    Mn =Mu

    =21,36 10 ⁶

    = 26700000,000 Nmmɸ 0,8

    Rn =Mn

    =26700000,00

    = 2,468565089 N/mm²b . d² 1000

    kNm

    x600

    fy 600

    =0,85 0,85 25

    x600

    = 0,0326350 600 350

    0,75

    0,75 0,0326

    ρb

    130

    20

    12

    130 20 12 104

    25 0,85

    350

     ρ b =0,85

    0,02441,4

    =1,4

    = 0,004fy 350

    21,360 21,36

    m =fy

    =350

    =

    = 16,470590,85 0,85

     ρ = 1 -fy

     ρ =1

    1

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    Menentukan tulangan bagi tumpuan kiri

    Ditentukan diameter tulangan f p = mm

    As bagi = 20% As perlu 20% x = mm2

    As bagi = 0,002 . b . h = x x = mm2

    → Dipilih yang terbesar, As bagi mm2

    s =

    = x x2

    x

    = mm

    s ≤ 5 h = 5 x =

    s ≤ mm

    → Dipilih yang terkeci ≈ mm

    As ada =

    = x x2

    x

    = mm2

    > As bagi

    As ada > As perlu OK 

    → dipakai tulangan 8 - mm

     b) Lapangan

    Tebal pelat (h) = mm

    Tebal penutup (p) = mmDitentukan diameter tulangan f p = mm

    Tinggi efektif d  = h – p – ½ f p

    = - - ½ = mm

    fc' = Mpa = , untuk fc' < 30 Mpa

    fy = Mpa

    β1 fc'

    + fy

    x x

    +

     ρ maks = x

    = x

    =

     ρ min =

    Mu = kNm = x Nmm

    x

    x 104 ²

    fc x 25

     Nmmɸ 0,8

    Rn =Mn

    =19071428,57

    = 1,763260778 N/mm²

    b . d² 1000

    m =fy

    =350

    = 16,470590,85

    0,75  ρb

    0,75 0,03260,0244

    1,4= = 0,004

    fy

    15,257 15,257143 10 ⁶

    Mn =Mu

    =15,257 10 ⁶

    = 19071428,571

    =0,85

    x600

    fy 600

    =0,85 0,85 25

    x600

    = 0,0326350 600 350

    193,329 180

    1/4 . π .Ф2 .b

    s

    0,25 3,142 8 1000

    180

    279,253

    180

    130

    20

    12

    130 20 12

    8

    781,932 156,386

    0,002 1000 130 260

    260

    1/4 . π . Ф2 .b

    As bagi

    0,25 3,142 8 1000

    260

    193,33

    130 650

    450

    1,4

    350

    104

    25 0,85

    350

     ρ b

    0,85

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    1 2 m Rn

    m

    2 x x

    =

     ρ min = <  ρ = <  ρ maks=

     ρ =

    Asperlu = ρ b d = x x = mm

    Diperlukan tulangan Ø 12 -

    1 22 2 2

    4 7

    As ada > As perlu OK 

    Maka, Dipakai tulangan Ø 12 -

    Menentukan tulangan bagi Lapangan

    Ditentukan diameter tulangan f p = mm

    As bagi = 20% As perlu 20% x = mm2

    As bagi = 0,002 . b . h = x x = mm2

    → Dipilih yang terbesar, As bagi mm2

    s =

    = x x2

    x

    = mm

    s ≤ 5 h = 5 x =

    s ≤ mm

    → Dipilih yang terkeci ≈ mm

    As ada =

    = x x2

    x

    = mm2

    > As bagi

    As ada > As perlu OK 

    → dipakai tulangan 8 - mm

    260

    1/4 . π . Ф2 .b

    As bagi

    0,25 3,142 8 1000

    260

    193,33

    20 100

    450

    193,329 180

    1/4 . π .Ф2 .b

    s

    0,25 3,142 8

    0,005266 1000 104 547,6935

    200

    As ada = x x 12 x1000

    = 565,7 mm200

     ρ =1

    1

    - ρ = 1fy

    1 -16,47059 1,763261

    35016,47059

    0,005266

    0,004 0,0052663 0,0244

    dipakai 0,005266

    200

    8

    547,693 109,539

    0,002 1000 130 260

    1000

    180

    279,253

    180

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    c) Tumpuan Kanan

    Tebal pelat (h) = mm

    Tebal penutup (p) = mm

    Ditentukan diameter tulangan f p = mm

    Tinggi efektif d  = h – p – ½ f p

    = - - ½ = mm

    fc' = Mpa = , untuk fc' < 30 Mpa

    fy = Mpa

    β1 fc'

    + fy

    x x

    +

     ρ maks = x

    = x

    =

     ρ min =

    Mu = kNm = x Nmm

    x

    x 104 ²

    fc x 25

    1 2 m Rn

    m

    2 x x

    =

     ρ min = <  ρ = <  ρ maks=

     ρ =

    Asperlu = ρ b d = x x = mm

    Diperlukan tulangan Ø 12 -

    1 22 2 2

    4 7

    As ada > As perluOK 

    Maka, Dipakai tulangan Ø 12 -

    1,028569

    16,47059 350

    0,003014

    0,004 0,0030136 0,0244

    dipakai 0,003014

    0,003014 1000 104 313,4099

    200

    As ada = x x 12 x1000

    = 565,7 mm200

    Rn =Mn

    =11125000,00

    = 1,028568787 N/mm²b . d² 1000

    m =fy

    =350

    = 16,470590,85 0,85

    0,0326350 600 350

    0,75  ρb

    0,75 0,0326

    0,0244

    1,4 1,4= 0,004

    fy 350

    8,9 10 ⁶

    20

    12

    130 12 104

    25 0,85

    350

     ρ b = x600

    fy 600

    =25

    x600

    130

    0,85

    20

    =

    0,85 0,85=

    ɸ

    8,900

    Mn =Mu

    =8,900 10 ⁶

    = 11125000,000 Nmm0,8

     ρ = -1fy

     ρ =1

    1 1 -16,47059

    200

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    Menentukan tulangan bagi tumpuan kanan

    Ditentukan diameter tulangan f p = mm

    As bagi = 20% As perlu 20% x = mm2

    As bagi = 0,002 . b . h = x x = mm2

    → Dipilih yang terbesar, As bagi mm2

    s =

    = x x2

    x

    = mm

    s ≤ 5 h = 5 x =

    s ≤ mm

    → Dipilih yang terkeci ≈ mm

    As ada =

    = x x 2 x

    = mm2

    > As bagi

    As ada > As perlu OK 

    → dipakai tulangan 8 - mm

    3. Penulangan Plat e dan g

    a) Tumpuan Kiri

    Tebal pelat (h) = mm

    Tebal penutup (p) = mmDitentukan diameter tulangan f p = mm

    Tinggi efektif d  = h – p – ½ f p

    = - - ½ = mm

    fc' = Mpa = , untuk fc' < 30 Mpa

    fy = Mpa

    β1 fc'

    + fy

    x x

    +

     ρ maks = x

    = x

    =

     ρ min =

    Mu = = x Nmm

    x

    x 104 ²

    fc x 25

    = 34952727,273 Nmmɸ 0,8

    Rn =Mn

    =34952727,27

    = 3,231576116 N/mm²

    b . d² 1000

    m =fy

    =350

    = 16,470590,85

    350

    0,75 ρb

    0,75 0,03260,0244

    1,4=

    1,4= 0,004

    fy 350

    27,962 kNm 27,962182 10 ⁶

    130

    20

    12

    130 20 12 104

    25 0,85

    350

     ρ b =0,85

    x600

    fy 600

    1000 130 260

    260

    1/4 . π . Ф2 .b

    As bagi

    0,25 3,142 8 1000

    260

    193,33

    20 100

    450

    193,329 180

    8

    313,410 62,682

    0,002

    1/4 . π .Ф2 .b

    s

    0,25 3,142 8 1000

    180

    279,253

    180

    =0,85 0,85 25

    x600

    = 0,0326350 600

    0,85

    10 ⁶Mn =

    Mu=

    27,96218

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    1 2 m Rn

    m

    2 x x

    =

     ρ min = <  ρ = <  ρ maks=

     ρ =

    Asperlu = ρ b d = x x = mm

    Diperlukan tulangan Ø 12 -

    1 22 2 2

    4 7

    As ada > As perlu OK 

    Maka, Dipakai tulangan Ø 12 -

    Menentukan tulangan bagi tumpuan kiri

    Ditentukan diameter tulangan f p = mm

    As bagi = 20% As perlu 20% x = mm2

    As bagi = 0,002 . b . h = x x = mm2

    → Dipilih yang terbesar, As bagi mm2

    s =

    = x x2

    x

    = mm

    s ≤ 5 h = 5 x =

    s ≤ mm

    → Dipilih yang terkeci ≈ mm

    As ada =

    = x x2

    x

    = mm2

    > As bagi

    As ada > As perlu OK 

    → dipakai tulangan 8 - mm

    180

    279,253

    180

    2601/4 . π . Ф

    2 .b

    As bagi

    0,25 3,142 8 1000

    260

    193,33

    130 650

    450

    193,329 180

    1/4 . π .Ф2

     .b

    s

    0,25 3,142 8

    As ada = x x 12 x1000

    = 1131 mm

    100

    8

    1047,05 209,410

    0,002 1000 130 260

     ρ = 1 -fy

     ρ =

    1

    1 1 -

    16,47059 3,231576

    16,47059 350

    0,010068

    0,004 0,0100678 0,0244

    dipakai 0,010068

    100

    0,010068 1000 104 1047,052

    100

    1000

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     b) Lapangan

    Tebal pelat (h) = mm

    Tebal penutup (p) = mm

    Ditentukan diameter tulangan f p = mm

    Tinggi efektif d  = h – p – ½ f p

    = - - ½ = mm

    fc' = Mpa = , untuk fc' < 30 Mpa

    fy = Mpa

    β1 fc'

    + fy

    x x

    +

     ρ maks = x

    = x

    =

     ρ min =

    Mu = kNm = x Nmm

    x

    x 104 ²

    fc x 25

    1 2 m Rn

    m

    2 x x

    =

     ρ min = <  ρ = <  ρ maks=

     ρ =

    Asperlu = ρ b d = x x = mm

    Diperlukan tulangan Ø 12 -

    1 22 2 2

    4 7

    As ada > As perluOK 

    Maka, Dipakai tulangan Ø 12 - 140

    0,00672

    0,004 0,0067196 0,0244

    dipakai 0,00672

    0,00672 1000 104 698,8369

    140

    As ada = x x 12 x1000

    = 808,2 mm140

    24030000,000 Nmmɸ 0,8

    Rn =Mn

    =24030000,00

    = 2,22170858 N/mm²b . d² 1000

    m =fy

    =350

    = 16,470590,85 0,85

    = 0,0326350 600 350

    0,75  ρb

    0,75 0,0326

    0,0244

    1,4=

    1,4= 0,004

    fy 350

    130

    20

    130 20 12 104

    25 0,85

    350

     ρ b =0,85

    x600

    fy 600

    12

    0,85=

    0,85 25x

    600

    19,224 19,224 10 ⁶

    Mn =Mu

    =19,224 10 ⁶

    =

     ρ = 1 -fy

     ρ =1

    1 1 -16,47059 2,221709

    16,47059 350

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    Menentukan tulangan bagi Lapangan

    Ditentukan diameter tulangan f p = mm

    As bagi = 20% As perlu 20% x = mm2

    As bagi = 0,002 . b . h = x x = mm2

    → Dipilih yang terbesar, As bagi mm2

    s =

    = x x2

    x

    = mm

    s ≤ 5 h = 5 x =

    s ≤ mm

    → Dipilih yang terkeci ≈ mm

    As ada =

    = x x 2 x

    = mm2

    > As bagi

    As ada > As perlu OK 

    → dipakai tulangan 8 - mm

    c) Tumpuan Kanan

    Tebal pelat (h) = mm

    Tebal penutup (p) = mm

    Ditentukan diameter tulangan f p = mmTinggi efektif d  = h – p – ½ f p

    = - - ½ = mm

    fc' = Mpa = , untuk fc' < 30 Mpa

    fy = Mpa

    β1 fc'

    + fy

    x x

    +

     ρ maks = x

    = x

    =

     ρ min =

    Mu = kNm = x Nmm

    x

    x 104 ²

    fc x 25m =

    fy=

    350= 16,47059

    0,85 0,85

    350

    0,75  ρb

    0,75 0,0326

    0,02441,4

    =1,4

    = 0,004fy 350

    27,962 27,962182 10 ⁶

    Mn =Mu

    =27,962 10 ⁶

    = 34952727,273ɸ 0,8

    0,25 3,142 8 1000

    180

    279,253

    180

    130

    20

    12

    130 20 12 104

    25 0,85

    350

    8

    139,767

    0,002 130 260

    260

    1/4 . π . Ф2 .b

    As bagi

    0,25 3,142 8 1000

    260

    193,33

    20 100

    698,837

    1000

    450

    193,329 180

    1/4 . π .Ф2 .b

    s

     ρ b =0,85

    x600

    fy 600

    =0,85 0,85 25

    x600

    = 0,0326350 600

    Mn

     Nmm

    Rn = =34952727,27

    = 3,231576116 N/mm²b . d² 1000

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    1 2 m Rn

    m

    2 x x

    =

     ρ min = <  ρ = <  ρ maks=

     ρ =

    Asperlu = ρ b d = x x = mm

    Diperlukan tulangan Ø 12 -

    1 22 2 2

    4 7

    As ada > As perlu OK 

    Maka, Dipakai tulangan Ø 12 -

    Menentukan tulangan bagi tumpuan kanan

    Ditentukan diameter tulangan f p = mm

    As bagi = 20% As perlu 20% x = mm2

    As bagi = 0,002 . b . h = x x = mm2

    → Dipilih yang terbesar, As bagi mm2

    s =

    = x x2

    x

    = mm

    s ≤ 5 h = 5 x =

    s ≤ mm

    → Dipilih yang terkeci ≈ mm

    As ada =

    = x x2

    x

    = mm2

    > As bagi

    As ada > As perlu OK 

    → dipakai tulangan 8 - mm

    180

    279,253

    180

    dipakai 0,010068

    0,010068 1000 104 1047,052

    100

    As ada = x x 12 x1000

    = 1131 mm100

     ρ = 1 -fy

     ρ =

    1

    1 1 -

    16,47059

    16,47059 350

    3,231576

    0,010068

    0,004 0,0100678 0,0244

    100

    8

    1047,05 209,410

    0,002 1000 130 260

    2601/4 . π . Ф

    2 .b

    As bagi

    0,25 3,142 8 1000

    260

    193,33

    3,142

    20 100

    450

    193,329 180

    1/4 . π .Ф2

     .b

    s

    0,25 8 1000

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    4. Penulangan Plat f dan h

    a) Tumpuan Kiri

    Tebal pelat (h) = mm

    Tebal penutup (p) = mm

    Ditentukan diameter tulangan f p = mm

    Tinggi efektif d  = h – p – ½ f p

    = - - ½ = mm

    fc' = Mpa = , untuk fc' < 30 Mpa

    fy = Mpa

    β1 fc'

    + fy

    x x

    +

     ρ maks = x

    = x

    =

     ρ min =

    Mu = = x Nmm

    x

    x 94 ²

    fc x 25

    1 2 m Rn

    m

    2 x x

    =

     ρ min = <  ρ = <  ρ maks=

     ρ =

    Asperlu = ρ b d = x x = mm

    Diperlukan tulangan Ø 12 -

    1 22 2 2

    4 7

    As ada > As perluOK 

    Maka, Dipakai tulangan Ø 12 -

    As ada = x x 12 x1000

    = 1131 mm100

    100

    m =fy

    =350

    = 16,470590,85

     ρ = 1 -fy

     ρ =1

    1 1 -16,47059

    16,47059 350

    24,401 kNm 24,401455 10 ⁶

    Mn =Mu

    =24,40145 10 ⁶

    = 30501818,182 Nmmɸ 0,8

    Rn =Mn

    =30501818,18

    = 3,451993909 N/mm²b . d² 1000

    = 0,0326350 600 350

    0,75 ρb

    0,75 0,0326

    0,0244

    1,4 = 1,4 = 0,004fy 350

    120

    20

    12

    120 20 12 94

    25 0,85

    350

     ρ b =0,85

    x600

    fy 600

    0,85

    25=

    0,85 0,85x

    600

    3,451994

    0,010828

    0,004 0,0108285 0,0244

    dipakai 0,010828

    0,010828 1000 94 1017,877

    100

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    Menentukan tulangan bagi tumpuan kiri

    Ditentukan diameter tulangan f p = mm

    As bagi = 20% As perlu 20% x = mm2

    As bagi = 0,002 . b . h = x x = mm2

    → Dipilih yang terbesar, As bagi mm2

    s =

    = x x2

    x

    = mm

    s ≤ 5 h = 5 x =

    s ≤ mm

    → Dipilih yang terkeci ≈ mm

    As ada =

    = x x 2 x

    = mm2

    > As bagi

    As ada > As perlu OK 

    → dipakai tulangan 8 - mm

     b) Lapangan

    Tebal pelat (h) = mm

    Tebal penutup (p) = mm

    Ditentukan diameter tulangan f p = mmTinggi efektif d  = h – p – ½ f p

    = - - ½ = mm

    fc' = Mpa = , untuk fc' < 30 Mpa

    fy = Mpa

    β1 fc'

    + fy

    x x

    +

     ρ maks = x

    = x

    =

     ρ min =

    Mu = kNm = x Nmm

    x

    x 94 ²

    fc x 25

    600

    450

    209,440 200

    1/4 . π .Ф2 .b

    s

    0,25 3,142 8 1000

    200

    251,327

    200

    8

    1017,88 203,575

    0,002 1000 120 240

    240

    1/4 . π . Ф2 .b

    As bagi

    0,25 3,142 8 1000

    240

    209,44

    120

    120

    20

    12

    120 20 12 94

    25 0,85

    600= 0,0326

    350 600 350

    0,75  ρb

    0,75 0,0326

    350

     ρ b =0,85

    x600

    fy 600

    =0,85 0,85 25

    x

    10 ⁶

    Mn =Mu

    =19,224 10 ⁶

    = 24030000,000

    0,02441,4

    =1,4

    = 0,004fy 350

    19,224 19,224

    m =fy

    =350

    = 16,470590,85 0,85

     Nmmɸ 0,8

    Rn =Mn

    =24030000,00

    = 2,71955636 N/mm²b . d² 1000

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    1 2 m Rn

    m

    2 x x

    =

     ρ min = <  ρ = <  ρ maks=

     ρ =

    Asperlu = ρ b d = x x = mm

    Diperlukan tulangan Ø 12 -

    1 22 2 2

    4 7

    As ada > As perlu OK 

    Maka, Dipakai tulangan Ø 12 -

    Menentukan tulangan bagi Lapangan

    Ditentukan diameter tulangan f p = mm

    As bagi = 20% As perlu 20% x = mm2

    As bagi = 0,002 . b . h = x x = mm2

    → Dipilih yang terbesar, As bagi mm2

    s =

    = x x2

    x

    = mm

    s ≤ 5 h = 5 x =

    s ≤ mm

    → Dipilih yang terkeci ≈ mm

    As ada =

    = x x2

    x

    = mm2

    > As bagi

    As ada > As perlu OK 

    → dipakai tulangan 8 - mm

    3,142 8 1000

    240

    209,44

    20 100

    450

    209,440

    1/4 . π .Ф2

     .b

    s

    0,25 3,142 8 1000

    200

    251,327

    8

    784,284 156,857

    0,002 1000 120

    16,47059 2,719556

    16,47059 350

    0,008343

    0,004 0,0083434 0,0244

    dipakai 0,008343

     ρ = 1 -fy

     ρ =

    1

    1 1 -

    140

    0,008343 1000 94 784,2838

    140

    As ada = x x 12 x1000

    = 808,2 mm140

    240

    2401/4 . π . Ф

    2 .b

    As bagi

    0,25

    200

    200

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    c) Tumpuan Kanan

    Tebal pelat (h) = mm

    Tebal penutup (p) = mm

    Ditentukan diameter tulangan f p = mm

    Tinggi efektif d  = h – p – ½ f p

    = - - ½ = mm

    fc' = Mpa = , untuk fc' < 30 Mpa

    fy = Mpa

    β1 fc'

    + fy

    x x

    +

     ρ maks = x

    = x

    =

     ρ min =

    Mu = kNm = x Nmm

    x

    x 94 ²

    fc x 25

    1 2 m Rn

    m

    2 x x

    =

     ρ min = <  ρ = <  ρ maks=

     ρ =

    Asperlu = ρ b d = x x = mm

    Diperlukan tulangan Ø 12 -

    1 22 2 2

    4 7

    As ada > As perluOK 

    Maka, Dipakai tulangan Ø 12 -

    As ada = x x 12 x1000

    = 1616 mm70

    70

     ρ =1

    1 1 -16,47059 3,955718

    16,47059 350

    0,012612

    0,004 0,012612 0,0244

    dipakai 0,012612

    = 3,955718342 N/mm²b . d² 1000

    m =fy

    =350

    = 16,470590,85 0,85

     ρ = 1 -fy

    0,004fy 350

    27,962 27,962182 10 ⁶

    Mn =Mu

    =27,962 10 ⁶

    = 34952727,273 Nmmɸ 0,8

    25 0,85

    350

     ρ b =0,85

    x600

    fy 600

    =0,85 0,85 25

    x600

    =350 600 350

    120

    20

    12

    120 20 12 94

    0,0326

    0,75  ρb

    0,75 0,0326

    0,0244

    1,4=

    1,4=

    Rn =Mn

    =34952727,27

    0,012612 1000 94 1185,526

    70

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    Menentukan tulangan bagi tumpuan kanan

    Ditentukan diameter tulangan f p = mm

    As bagi = 20% As perlu 20% x = mm2

    As bagi = 0,002 . b . h = x x = mm2

    → Dipilih yang terbesar, As bagi mm2

    s =

    = x x2

    x

    = mm

    s ≤ 5 h = 5 x =

    s ≤ mm

    → Dipilih yang terkeci ≈ mm

    As ada =

    = x x 2 x

    = mm2

    > As bagi

    As ada > As perlu OK 

    → dipakai tulangan 8 - mm

    5. Penulangan Plat i dan k 

    a) Tumpuan Kiri

    Tebal pelat (h) = mm

    Tebal penutup (p) = mmDitentukan diameter tulangan f p = mm

    Tinggi efektif d  = h – p – ½ f p

    = - - ½ = mm

    fc' = Mpa = , untuk fc' < 30 Mpa

    fy = Mpa

    β1 fc'

    + fy

    x x

    +

     ρ maks = x

    = x

    =

     ρ min =

    Mu = = x Nmm

    x

    x 94 ²

    fc x 25

    b . d² 1000

    m =fy

    =350

    = 16,470590,85

    0,75

    0,75 0,03260,0244

    1,4=

    1,4= 0,004

    fy 350

    11,184 kNm 11,184 10 ⁶

    Mn =Mu

    =11,184 10 ⁶

    = 13980000,000ɸ 0,8

    0,85

    350

     ρ b =0,85

    x600

    fy 600

    =0,85 0,85 25

    x600

    = 0,0326350 600 350

    20 100

    450

    209,440 200

    1/4 . π .Ф2 .b

    s

    0,25 3,142 8 1000

    200

    251,327

    200

    120

    20

    12

    8

    1185,53 237,105

    0,002 1000 120 240

    240

    1/4 . π . Ф2 .b

    As bagi

    0,25 3,142 8 1000

    240

    209,44

    ρb

    120 20 12 94

    25

     Nmm

    Rn =Mn

    =13980000,00

    = 1,582163875 N/mm²

    0,85

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    1 2 m Rn

    m

    2 x x

    =

     ρ min = <  ρ = <  ρ maks=

     ρ =

    Asperlu = ρ b d = x x = mm

    Diperlukan tulangan Ø 12 -

    1 22 2 2

    4 7

    As ada > As perlu OK 

    Maka, Dipakai tulangan Ø 12 -

    Menentukan tulangan bagi tumpuan kiri

    Ditentukan diameter tulangan f p = mm

    As bagi = 20% As perlu 20% x = mm2

    As bagi = 0,002 . b . h = x x = mm2

    → Dipilih yang terbesar, As bagi mm2

    s =

    = x x2

    x

    = mm

    s ≤ 5 h = 5 x =

    s ≤ mm

    → Dipilih yang terkeci ≈ mm

    As ada =

    = x x2

    x

    = mm2

    > As bagi

    As ada > As perlu OK 

    → dipakai tulangan 8 - mm

    0,25 8 1000

    200

    251,327

    200

    442,043 88,409

    0,002 1000 120 240

    2401/4 . π . Ф

    2 .b

    As bagi

    0,25 3,142 8 1000

    240

    209,44

    120 600

    dipakai 0,004703

    0,004703 1000 94 442,0431

    150

    As ada = x x 12 x1000

    = 754,3 mm150

     ρ = 1 -fy

     ρ =

    1

    1 1 -

    16,47059

    35016,47059

    1,582164

    0,004703

    0,004 0,0047026 0,0244

    150

    8

    3,142

    450

    209,440 200

    1/4 . π .Ф2

     .b

    s

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     b) Lapangan

    Tebal pelat (h) = mm

    Tebal penutup (p) = mm

    Ditentukan diameter tulangan f p = mm

    Tinggi efektif d  = h – p – ½ f p

    = - - ½ = mm

    fc' = Mpa = , untuk fc' < 30 Mpa

    fy = Mpa

    β1 fc'

    + fy

    x x

    +

     ρ maks = x

    = x

    =

     ρ min =

    Mu = kNm = x Nmm

    x

    x 94 ²

    fc x 25

    1 2 m Rn

    m

    2 x x

    =

     ρ min = <  ρ = <  ρ maks=

     ρ =

    Asperlu = ρ b d = x x = mm

    Diperlukan tulangan Ø 12 -

    1 22 2 2

    4 7

    As ada > As perluOK 

    Maka, Dipakai tulangan Ø 12 -

    As ada = x x 12 x1000

    = 808,2 mm140

    140

    1 -16,47059 2,712281

    16,47059 350

    0,008319

    0,004 0,0083194 0,0244

    dipakai 0,008319

    0,008319 1000 94 782,0191

    140

    350

    19,173 19,172571 10 ⁶

    Mn =Mu

    =19,173 10 ⁶

    = 23965714,286 Nmmɸ 0,8

    Rn =Mn

    =23965714,29

    = 2,712280929 N/mm²b . d² 1000

    120

    12

    120 20 12 94

    25 0,85

    350

     ρ b =0,85

    x600

    fy 600

    20

    =0,85 0,85 25

    x600

    =350 600 350

    0,75  ρb

    0,0326

    0,75 0,0326

    0,0244

    1,4=

    1,4= 0,004

    fy

    m =fy

    =350

    = 16,470590,85 0,85

     ρ = 1 -fy

     ρ =1

    1

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    Menentukan tulangan bagi Lapangan

    Ditentukan diameter tulangan f p = mm

    As bagi = 20% As perlu 20% x = mm2

    As bagi = 0,002 . b . h = x x = mm2

    → Dipilih yang terbesar, As bagi mm2

    s =

    = x x2

    x

    = mm

    s ≤ 5 h = 5 x =

    s ≤ mm

    → Dipilih yang terkeci ≈ mm

    As ada =

    = x x 2 x

    = mm2

    > As bagi

    As ada > As perlu OK 

    → dipakai tulangan 8 - mm

    c) Tumpuan Kanan

    Tebal pelat (h) = mm

    Tebal penutup (p) = mm

    Ditentukan diameter tulangan f p = mmTinggi efektif d  = h – p – ½ f p

    = - - ½ = mm

    fc' = Mpa = , untuk fc' < 30 Mpa

    fy = Mpa

    β1 fc'

    + fy

    x x

    +

     ρ maks = x

    = x

    =

     ρ min =

    Mu = kNm = x Nmm

    x

    x 94 ²

    fc x 25

    33552000,00= 3,7971933 N/mm²

    b . d² 1000

    m =fy

    =350

    = 16,470590,85

    350

    0,75  ρb

    0,75 0,0326

    0,02441,4

    =1,4

    = 0,004fy 350

    26,842 26,8416 10 ⁶

    Mn =Mu

    =26,842 10 ⁶

    = 33552000,000ɸ 0,8

    120

    20

    12

    120 20 12 94

    25 0,85

    350

     ρ b =0,85

    x600

    fy 600

    8

    782,019 156,404

    0,002 1000 120 240

    240

    1/4 . π . Ф2 .b

    As bagi

    0,25 3,142 8 1000

    240

    20

    209,44

    100

    450

    209,440 180

    1/4 . π .Ф2 .b

    s

    0,25 3,142 8 1000

    180

    279,253

    180

    =0,85 0,85 25

    x600

    = 0,0326350 600

    0,85

     Nmm

    Rn =Mn

    =

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    1 2 m Rn

    m

    2 x x

    =

     ρ min = <  ρ = <  ρ maks=

     ρ =

    Asperlu = ρ b d = x x = mm

    Diperlukan tulangan Ø 12 -

    1 22 2 2

    4 7

    As ada > As perlu OK 

    Maka, Dipakai tulangan Ø 12 -

    Menentukan tulangan bagi tumpuan kanan

    Ditentukan diameter tulangan f p = mm

    As bagi = 20% As perlu 20% x = mm2

    As bagi = 0,002 . b . h = x x = mm2

    → Dipilih yang terbesar, As bagi mm2

    s =

    = x x2

    x

    = mm

    s ≤ 5 h = 5 x =

    s ≤ mm

    → Dipilih yang terkeci ≈ mm

    As ada =

    = x x2

    x

    = mm2

    > As bagi

    As ada > As perlu OK 

    → dipakai tulangan 8 - mm

    s

    0,25 3,142 8 1000

    200

    251,327

    200

    8

    1132,10 226,421

    0,002 1000 120 240

    2401/4 . π . Ф

    2 .b

    As bagi

    0,25 3,142 8 1000

    240

    209,44

    20 100

    16,47059 350

    0,012044

    0,0120436 0,0244

    dipakai 0,012044

    0,012044 1000 94 1132,103

    70

    As ada = x x 12 x1000

    = 1616 mm70

     ρ = 1 -fy

     ρ =

    1

    1 1 -

    16,47059 3,797193

    0,004

    70

    450

    209,440 200

    1/4 . π .Ф2

     .b

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    6. Penulangan Plat j dan i

    a) Tumpuan Kiri

    Tebal pelat (h) = mm

    Tebal penutup (p) = mm

    Ditentukan diameter tulangan f p = mm

    Tinggi efektif d  = h – p – ½ f p

    = - - ½ = mm

    fc' = Mpa = , untuk fc' < 30 Mpa

    fy = Mpa

    β1 fc'

    + fy

    x x

    +

     ρ maks = x

    = x

    =

     ρ min =

    Mu = = x Nmm

    x

    x 104 ²

    fc x 25

    1 2 m Rn

    m

    2 x x

    =

     ρ min = <  ρ = <  ρ maks=

     ρ =

    Asperlu = ρ b d = x x = mm

    Diperlukan tulangan Ø 12 -

    1 22 2 2

    4 7

    As ada > As perluOK 

    Maka, Dipakai tulangan Ø 12 -

    150

    As ada = x x 12 x1000

    = 754,3 mm150

     Nmm0,8

    16020000,001,481139053 N/mm²

    1000

    350= 16,470590,85 0,85

     ρ = 1 -fy

     ρ =1

    1 1 -16,47059 1,481139

    16,47059 350

    600

    fy

    =0,85 0,85 25

    x600

    = 0,0326350 600 350

    0,75 ρb

    0,0326

    0,0244

    130

    20

    12

    130 20 12 104

    25 0,85

    600

    350

     ρ b =0,85

    x

    1,4 1,4fy

    0,75

    = = 0,004350

    Rn =Mn

    = =

    ɸ

    12,816 kNm 12,816 10 ⁶

    Mn =Mu

    =12,816 10 ⁶

    = 16020000,000

    b . d²

    m =fy

    =

    0,004391

    0,004 0,0043906 0,0244

    dipakai 0,004391

    0,004391 1000 104 456,6202

    150

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    Menentukan tulangan bagi tumpuan kiri

    Ditentukan diameter tulangan f p = mm

    As bagi = 20% As perlu 20% x = mm2

    As bagi = 0,002 . b . h = x x = mm2

    → Dipilih yang terbesar, As bagi mm2

    s =

    = x x2

    x

    = mm

    s ≤ 5 h = 5 x =

    s ≤ mm

    → Dipilih yang terkeci ≈ mm

    As ada =

    = x x 2 x

    = mm2

    > As bagi

    As ada > As perlu OK 

    → dipakai tulangan 8 - mm

     b) Lapangan

    Tebal pelat (h) = mm

    Tebal penutup (p) = mm

    Ditentukan diameter tulangan f p = mmTinggi efektif d  = h – p – ½ f p

    = - - ½ = mm

    fc' = Mpa = , untuk fc' < 30 Mpa

    fy = Mpa

    β1 fc'

    + fy

    x x

    +

     ρ maks = x

    = x

    =

     ρ min =

    Mu = kNm = x Nmm

    x

    x 104 ²

    fc x 25

    = =27462857,14

    = 2,53909552 N/mm²b . d² 1000

    m =fy

    =350

    = 16,470590,85 0,85

    0,85 25x

    600= 0,0326

    350 600 350

    0,75

    0,75 0,0326

    0,02441,4 1,4

    = 0,004fy 350

    8 1000

    260

    193,33

    650

    450

    193,329 180

    1/4 . π .Ф2 .b

    s

    0,25 3,142 8 1000

    180

    279,253

    180

    8

    456,620 91,324

    0,002 1000 130 260

    130

    260

    1/4 . π . Ф2 .b

    As bagi

    0,25 3,142

    130

    20

    12

    130 20 12 104

    25 0,85

     ρb

    350

     ρ b =0,85

    x600

    fy 600

    =0,85

    ɸ

    Mn

    =

    Mn =Mu

    =

    21,970 21,970286 10 ⁶

    21,970 10 ⁶= 27462857,143 Nmm

    0,8

    Rn

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    1 2 m Rn

    m

    2 x x

    =

     ρ min = <  ρ = <  ρ maks=

     ρ =

    Asperlu = ρ b d = x x = mm

    Diperlukan tulangan Ø 12 -

    1 22 2 2

    4 7

    As ada > As perlu OK 

    Maka, Dipakai tulangan Ø 12 -

    Menentukan tulangan bagi Lapangan

    Ditentukan diameter tulangan f p = mm

    As bagi = 20% As perlu 20% x = mm2

    As bagi = 0,002 . b . h = x x = mm2

    → Dipilih yang terbesar, As bagi mm2

    s =

    = x x2

    x

    = mm

    s ≤ 5 h = 5 x =

    s ≤ mm

    → Dipilih yang terkeci ≈ mm

    As ada =

    = x x2

    x

    = mm2

    > As bagi

    As ada > As perlu OK 

    → dipakai tulangan 8 - mm

    s

    0,25 3,142 8 1000

    180

    279,253

    180

    0,007749 1000 104 805,9036

    140

    As ada = x x 12 x1000

    = 808,2 mm140

     ρ =

    1

    1 1 -

    16,47059 2,539096

    16,47059 350

    0,007749

    0,004 0,0077491 0,0244

    dipakai 0,007749

     ρ = 1 -fy

    140

    8

    805,904 161,181

    0,002 1000 130 260

    2601/4 . π . Ф

    2 .b

    As bagi

    0,25 3,142 8 1000

    260

    193,33

    20 100

    450

    193,329 180

    1/4 . π .Ф2

     .b

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    c) Tumpuan Kanan

    Tebal pelat (h) = mm

    Tebal penutup (p) = mm

    Ditentukan diameter tulangan f p = mm

    Tinggi efektif d  = h – p – ½ f p

    = - - ½ = mm

    fc' = Mpa = , untuk fc' < 30 Mpa

    fy = Mpa

    β1 fc'

    + fy

    x x

    +

     ρ maks = x

    = x

    =

     ρ min =

    Mu = kNm = x Nmm

    x

    x 104 ²

    fc x 25

     Nmmɸ 0,8

    Rn =Mn

    =38448000,00

    = 3,554733728 N/mm²b . d² 1000

    m =fy

    =350

    = 16,470590,85 0,85

    0,0244

    1,4=

    1,4= 0,004

    fy 350

    30,758 30,7584 10 ⁶

    Mn =Mu

    =30,758

    = 38448000,000

    600

    fy 600

    0,85 0,85 25x

    600= 0,0326

    350 600 350

    0,75  ρb

    0,75 0,0326

    130

    20

    12

    130 20 12 104

    25 0,85

    10 ⁶

    =

    350

     ρ b =0,85

    x

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    1 2 m Rn

    m

    2 x x

    =

     ρ min = <  ρ = <  ρ maks=

     ρ =

    Asperlu = ρ b d = x x = mm

    Diperlukan tulangan Ø 12 -

    1 22 2 2

    4 7

    As ada > As perlu OK 

    Maka, Dipakai tulangan Ø 12 -

    Menentukan tulangan bagi tumpuan kanan

    Ditentukan diameter tulangan f p = mm

    As bagi = 20% As perlu 20% x = mm2

    As bagi = 0,002 . b . h = x x = mm2

    → Dipilih yang terbesar, As bagi mm2

    s =

    = x x2

    x

    = mm

    s ≤ 5 h = 5 x =

    s ≤ mm

    → Dipilih yang terkeci ≈ mm

    As ada =

    = x x2

    x

    = mm2

    > As bagi

    As ada > As perlu OK 

    → dipakai tulangan 8 - mm

    180

    279,253

    180

    0,25 3,142 8 1000

    260

    193,33

    20 100

    450

    193,329 180

    1/4 . π .Ф2 .b

    s

    0,25 3,142 8 1000

    70

    As ada = x x 12 x1000

    = 1616 mm70

    70

    8

    1163,45 232,690

    fy ρ = 1 -

    0,011187

    16,47059 ρ =

    11 1 -

    16,47059 3,554734

    350

    0,004 0,011187 0,0244

    dipakai 0,011187

    0,011187 1000 104 1163,451

    0,002 1000 130 260260

    1/4 . π . Ф2 .b

    As bagi

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    Berikut Rekapan Tulangan Pokok masing-masing plat :

    Plat a Ø 12 - Ø 12 - Ø 12 -

    Plat b Ø 12 - Ø 12 - Ø 12 -

    Plat c Ø 12 - Ø 12 - Ø 12 -

    Plat d Ø 12 - Ø 12 - Ø 12 -

    Plat e Ø 12 - Ø 12 - Ø 12 -

    Plat f  Ø 12 - Ø 12 - Ø 12 -

    Plat g Ø 12 - Ø 12 - Ø 12 -

    Plat h Ø 12 - Ø 12 - Ø 12 -

    Plat i Ø 12 - Ø 12 - Ø 12 -

    Plat j Ø 12 - Ø 12 - Ø 12 -

    Plat k  Ø 12 - Ø 12 - Ø 12 -

    Plat l Ø 12 - Ø 12 - Ø 12 -

    Berikut Rekapan Tulangan bagi masing-masing plat :

    Plat a Ø 8 - Ø 8 - Ø 8 -

    Plat b Ø 8 - Ø 8 - Ø 8 -

    Plat c Ø 8 - Ø 8 - Ø 8 -

    Plat d Ø 8 - Ø 8 - Ø 8 -

    Plat e Ø 8 - Ø 8 - Ø 8 -

    Plat f  Ø 8 - Ø 8 - Ø 8 -

    Plat g Ø 8 - Ø 8 - Ø 8 -

    Plat h Ø 8 - Ø 8 - Ø 8 -

    Plat i Ø 8 - Ø 8 - Ø 8 -Plat j Ø 8 - Ø 8 - Ø 8 -

    Plat k  Ø 8 - Ø 8 - Ø 8 -

    Plat l Ø 8 - Ø 8 - Ø 8 -

    Dikarenakan jarak tulangan masing-masing pelat berbeda-beda, untuk mempermudah pemasangannya

    dilapangan maka semua jarak tulangan yang dipasang berdasarkan portal arah melintang (Y),

    kemudian diambil jarak terkecil

    Tulangan pokok yang di pasang searah melintang atau sumbu Y:

    Plat a

    Plat e

    Plat i

    Plat b

    Plat f 

    Plat j

    Plat c

    Plat g

    Plat k 

    Plat d

    Plat h

    Plat l

    12 - 70 1616,327

    Ø 12 - 140 808,1633

    Ø 12 - 140 808,1633

    Ø 12 - 140 808,1633

    Ø 12 - 70 1616,327 Ø 12 - 140 808,1633

    Ø 12 - 70 1616,327

    Ø 12 - 70 1616,327

    Ø

    PlatTumpuan Kiri Lapangan

    Tulangan As Tulangan As

    180 279,253 180 279,253 180 279,253

    200 251,3274 180 279,2527 200 251,3274

    180 279,2527 180 279,2527 180 279,2527

    180 279,2527 180 279,2527 180 279,2527

    200 251,3274 200 251,3274 200 251,3274

    200 251,327 180 279,253 200 251,327

    180 279,253 180 279,253 180 279,253

    180 279,253 180 279,253 180 279,253

    200 251,327 200 251,327 200 251,327

    200 251,327 200 251,327 200 251,327

    180 279,253 180 279,253 180 279,253

    200 251,327 200 251,327 200 251,327

    150 754,2857 140 808,1633 70 1616,327

    150 754,2857 140 808,1633 70 1616,327

    PlatTumpuan Kiri Lapangan Tumpuan Kanan

    Tulangan As Tulangan As Tulangan As

    100 1131,429 140 808,1633 70 1616,327

    150 754,2857 140 808,1633 70 1616,327

    150 754,2857 140 808,1633 70 1616,327

    100 1131,429 140 808,1633 100 1131,429

    100 1131,429 140 808,1633 70 1616,327

    100 1131,429 140 808,1633 100 1131,429

    120 942,8571 200 565,7143 200 565,7143

    120 942,8571 200 565,7143 200 565,7143

    120 942,8571 200 565,7143 200 565,7143

    PlatTumpuan Kiri Lapangan Tumpuan Kanan

    Tulangan As Tulangan As Tulangan As

    120 942,8571 200 565,7143 200 565,7143

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    Tulangan bagi yang di pasang :

    Plat a

    Plat e

    Plat i

    Plat b

    Plat f 

    Plat j

    Plat c

    Plat g

    Plat k 

    Plat d

    Plat h

    Plat l

    Ø 12 - 180 279,253 Ø 12 - 180 279,253

    Ø 12 - 180 279,253 Ø 12 - 180 279,253

    Ø 12 - 180 279,253 Ø 12 - 180 279,253

    PlatTumpuan Kiri Lapangan

    Tulangan As Tulangan As

    Ø 12 - 180 279,253 Ø 12 - 180 279,253