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    PERENCANAAN BALOK ANAK

    Perencanaan Lebar Equivalent

    o TIPE 1

    Lx = 0,25 m

    Ly = 0,5 m

    Leq =

    =

    = 0,08333 m

    o TIPE 2

    o Lx = 0,75 m

    o Ly = 5 m

    o Leq =

    LxLeq

    Ly

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    =

    = 0,37218 m

    o TIPE 3

    o Lx = 0,75 m

    o Ly = 4 m

    o Leq =

    =

    = 0,37060 m

    o TIPE 4

    o

    Lx = 0,25 m

    o Ly = 1,5 m

    o Leq =

    =

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    = 0,12384 m

    o TIPE 5

    o Lx = 0,25 m

    o Ly = 1,5 m

    o Leq 1 =

    =

    = 0,12384 m

    Lx = 0,75 m

    Ly = 1,5 m

    Leq 2 =

    =

    = 0,25 m

    Leq = 0,12384 + 0,25

    = 0,37384 m

    o TIPE 6

    LxLeq

    Ly

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    Lx = 0,75 m

    Ly = 1,5 m

    Leq =

    =

    = 0,25 m

    o TIPE

    o Lx = 0,25 m

    o Ly = 3 m

    o Leq =

    =

    = 0,12471 m

    o TIPE !

    Lx = 1,25 m

    Ly = 3 m

    Leq =

    LxLeq

    Ly

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    o TIPE 1#

    Lx = 1,25 m

    Ly = 2,5 m

    Leq =

    =

    = 0,41667 m

    o TIPE 11

    Lx = 1 m

    Ly = 2 m

    Leq =

    =

    = 0,33333 m

    LxLeq

    Ly

    LxLeq

    Ly

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    o TIPE 12

    o Lx = 1,25 m

    o Ly = 5 m

    o Leq =

    =

    = 0,61198 m

    o TIPE 13

    o Lx = 1,25 m

    o Ly = 3 m

    o Leq =

    =

    = 0,58882 m

    o TIPE 14

    o Lx = 0,25 m

    o Ly = 2,5 m

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    o Leq =

    =

    = 0,12458 m

    Perencanaan Bal$% Ana%

    &a'ar Acuan PPI() T*+1"!3

    Tebal plat = 100 mm

    Per*itun,an Beban Plat Lantai

    Berat plat :

    1. Beba !"#$p = 200 %&'m 2

    2. Beba mat"

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    ( Berat plat )10 *m = 240 %&'m 2

    ( Berat pla - # + " tala " = 25 %&'m2

    ( Berat /pe " = 48 %&'m 2

    ( Berat eram"% = 24 %&'m 2

    ( Berat a "r = 90 %&'m2

    379 %&'m2

    "me " bal-%

    ra%"raa "me " Bal-% =

    1. T" &&" Bal-% )! = )1'10 1'12 . L

    2. Lebar Bal-% )B = )1'2 2'3 . !

    L = be ta & bal-% terpa a &

    LB = 5 m = 5000 mm

    ! = )417 500 450 mm

    B = )225 300 250 mm

    "re *a a%a Bal-% a% = 25 x 45 *m

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    Pe-bebanan Bal$% Ana%

    Pe-bebanan Ti.e 1

    Beba at" ) #

    Berat /e #"r" = 0,25 )0,45 0,1 2400 %&'m 3 = 210 %&'m

    Berat lat = 0,08333 379 1 = 31,58207 %&'m

    # = 241,582 %&'m

    Beba !"#$p ) l

    Beba "#$p #"&$ a%a 200 %&'m2

    l = 0,08333 200 %&'m 2 1 = 16,666 %&'m

    Beba Ber a%t-r ) $

    $1 = 1,4 #

    = 1,4 x 241,582

    = 338,2149 %&'m

    $2 = 1,2 # + 1,6 l

    = 1,2 241,582 + 1,6 16,666

    = 316,5641 %&'m

    Pe-bebanan Ti.e 2

    Beba at" ) #

    Berat /e #"r" = 0,25 )0,45 0,1 2400 %&'m 3 = 210 %&'m

    Berat lat = 0,37218 379 1 = 141,0562 %&'m

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    # = 351,056 %&'m

    Beba !"#$p ) l

    Beba "#$p #"&$ a%a 200 %&'m2

    l = 0,37218 200 %&'m 2 1 = 74,436 %&'m

    Beba Ber a%t-r ) $

    $1 = 1,4 #

    = 1,4 x 351,056

    = 491,4787 %&'m

    $2 = 1,2 # + 1,6 l

    = 1,2 351,056 + 1,6 74,436

    = 540,3651 %&'m

    Pe-bebanan Ti.e 3

    Beba at" ) #

    Berat /e #"r" = 0,25 )0,45 0,1 2400 %&'m 3 = 210 %&'m

    Berat lat = 0,37061 379 1 = 140,4593 %&'m

    # = 350,459 %&'m

    Beba !"#$p ) l

    Beba "#$p #"&$ a%a 200 %&'m2

    l = 0,37061 200 %&'m 2 1 = 74,121 %&'m

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    Beba Ber a%t-r ) $

    $1 = 1,4 #

    = 1,4 x 350,459

    = 490,643 %&'m

    $2 = 1,2 # + 1,6 l

    = 1,2 350,459 + 1,6 74,121

    = 539,1448 %&'m

    Pe-bebanan Ti.e 4

    Beba at" ) #

    Berat /e #"r" = 0,25 )0,45 0,1 2400 %&'m 3 = 210 %&'m

    Berat lat = 0,12384 379 1 = 46,93536 %&'m

    # = 256,935 %&'m

    Beba !"#$p ) l

    Beba "#$p #"&$ a%a 200 %&'m2

    l = 0,12384 200 %&'m 2 1 = 24,768 %&'m

    Beba Ber a%t-r ) $

    $1 = 1,4 #

    = 1,4 x 256,935

    = 359,7095 %&'m

    $2 = 1,2 # + 1,6 l

    = 1,2 256,935 + 1,6 24,768

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    = 347,9512 %&'m

    Pe-bebanan Ti.e 5

    Beba at" ) #

    Berat /e #"r" = 0,25 )0,45 0,1 2400 %&'m 3 = 210 %&'m

    Berat lat = 0,37384 379 1 = 141,6854 %&'m

    # = 351,685 %&'m

    Beba !"#$p ) l

    Beba "#$p #"&$ a%a 200 %&'m2

    l = 0,37384 200 %&'m 2 1 = 74,768 %&'m

    Beba Ber a%t-r ) $

    $1 = 1,4 #

    = 1,4 x 351,685

    = 492,3595 %&'m

    $2 = 1,2 # + 1,6 l

    = 1,2 351,685 + 1,6 148.148

    = 541,6512 %&'m

    Pe-bebanan Ti.e 6

    Beba at" ) #

    Berat /e #"r" = 0,25 )0,45 0,1 2400 %&'m 3 = 210 %&'m

    Berat lat = 0,25 379 2 = 189,5 %&'m

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    # = 399,5 %&'m

    Beba !"#$p ) l

    Beba "#$p #"&$ a%a 200 %&'m2

    l = 0,25 200 %&'m 2 2 = 100 %&'m

    Beba Ber a%t-r ) $

    $1 = 1,4 #

    = 1,4 x 399,5

    = 559,3 %&'m

    $2 = 1,2 # + 1,6 l

    = 1,2 399,5 + 1,6 100

    = 639,4 %&'m

    Pe-bebanan Ti.e

    Beba at" ) #

    Berat /e #"r" = 0,25 )0,45 0,1 2400 %&'m 3 = 210 %&'m

    Berat lat = 0,12471 379 1 = 47,26509 %&'m

    # = 257,265 %&'m

    Beba !"#$p ) l

    Beba "#$p #"&$ a%a 200 %&'m2

    l = 0,12471 200 %&'m 2 1 = 24,942 %&'m

    Beba Ber a%t-r ) $

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    $1 = 1,4 #

    = 1,4 x 257,265

    = 360,1711 %&'m

    $2 = 1,2 # + 1,6 l

    = 1,2 257,265 + 1,6 24,942

    = 348,6253 %&'m

    Pe-bebanan Ti.e !

    Beba at" ) #

    Berat /e #"r" = 0,25 )0,45 0,1 2400 %&'m 3 = 210 %&'m

    Berat lat = 0,58883 379 2 = 446,3331 %&'m

    # = 656,333 %&'m

    Beba !"#$p ) l

    Beba "#$p #"&$ a%a 200 %&'m2

    l = 0,58883 200 %&'m 2 2 = 235,532 %&'m

    Beba Ber a%t-r ) $

    $1 = 1,4 #

    = 1,4 x 656,333

    = 918,8664 %&'m

    $2 = 1,2 # + 1,6 l

    = 1,2 656,333 + 1,6 235,532

    = 1164,451 %&'m

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    Pe-bebanan Ti.e "

    Beba at" ) #

    Berat /e #"r" = 0,25 )0,45 0,1 2400 %&'m 3 = 210 %&'m

    Berat lat = 0,98148 379 1 = 371,9809 %&'m

    # = 581,981 %&'m

    Beba !"#$p ) l

    Beba "#$p #"&$ a%a 200 %&'m2

    l = 0,98148 200 %&'m 2 1 = 196,296 %&'m

    Beba Ber a%t-r ) $

    $1 = 1,4 #

    = 1,4 x 581,981

    = 814,7733 %&'m

    $2 = 1,2 # + 1,6 l

    = 1,2 581,981 + 1,6 196,296

    = 1012,451 %&'m

    Pe-bebanan Ti.e 1#

    Beba at" ) #

    Berat /e #"r" = 0,25 )0,45 0,1 2400 %&'m 3 = 210 %&'m

    Berat lat = 0,41667 379 2 = 315,8359 %&'m

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    # = 525,836 %&'m

    Beba !"#$p ) l

    Beba "#$p #"&$ a%a 200 %&'m2

    l = 0,41667 200 %&'m 2 2 = 166,668 %&'m

    Beba Ber a%t-r ) $

    $1 = 1,4 #

    = 1,4 x 525,836

    = 736,1702 %&'m

    $2 = 1,2 # + 1,6 l

    = 1,2 525,836 + 1,6 166,668

    = 897,6718 %&'m

    Pe-bebanan Ti.e 11

    Beba at" ) #

    Berat /e #"r" = 0,25 )0,45 0,1 2400 %&'m 3 = 210 %&'m

    Berat lat = 0,33333 379 2 = 252,6641 %&'m

    # = 462,664 %&'m

    Beba !"#$p ) l

    Beba "#$p #"&$ a%a 200 %&'m2

    l = 0,33333 200 %&'m 2 2 = 133,332%&'m

    Beba Ber a%t-r ) $

    $1 = 1,4 #

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    = 1,4 x 462,664

    = 647,7298 %&'m

    $2 = 1,2 # + 1,6 l

    = 1,2 462,664 + 1,6 133,332

    = 768,5282 %&'m

    Pe-bebanan Ti.e 12

    Beba at" ) #

    Berat /e #"r" = 0,25 )0,45 0,1 2400 %&'m 3 = 210 %&'m

    Berat lat = 0,61198 379 2 = 463,8808 %&'m

    # = 673,881 %&'m

    Beba !"#$p ) l

    Beba "#$p #"&$ a%a 200 %&'m2

    l = 0,61198 200 %&'m 2 2 = 244,792 %&'m

    Beba Ber a%t-r ) $

    $1 = 1,4 #

    = 1,4 x 673,881

    = 943,4332 %&'m

    $2 = 1,2 # + 1,6 l

    = 1,2 673,881 + 1,6 244,792

    = 1200,324 %&'m

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    Pe-bebanan Ti.e 13

    Beba at" ) #

    Berat /e #"r" = 0,25 )0,45 0,1 2400 %&'m 3 = 210 %&'m

    Berat lat = 0,58882 313 2 = 446,3256 %&'m

    # = 656,326 %&'m

    Beba !"#$p ) l

    Beba "#$p #"&$ a%a 200 %&'m2

    l = 0,58882 200 %&'m 2 2 = 235,528 %&'m

    Beba Ber a%t-r ) $

    $1 = 1,4 #

    = 1,4 x 656,326

    = 918,8558 %&'m

    $2 = 1,2 # + 1,6 l

    = 1,2 656,326 + 1,6 235,528

    = 1164,435 %&'m

    Pe-bebanan Ti.e 14

    Beba at" ) #

    Berat /e #"r" = 0,25 )0,45 0,1 2400 %&'m 3 = 210 %&'m

    Berat lat = 0,12458 379 1 = 47,21582 %&'m

    # = 257,216 %&'m

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    Beba !"#$p ) l

    Beba "#$p #"&$ a%a 200 %&'m2

    l = 0,12458 200 %&'m 2 1 = 24,916 %&'m

    Beba Ber a%t-r ) $

    $1 = 1,4 #

    = 1,4 x 257,216

    = 360,1021 %&'m

    $2 = 1,2 # + 1,6 l

    = 1,2 257,216 + 1,6 24,916

    = 348,5246 %&'m

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    Per*itun,an Tulan,an Bal$% Ana%

    Tulan,an Lentur Bal$% Ana%

    a+ &aera* Tu-.uan

    ata pere *a aa :

    = 450 mm

    b = 250 mm

    p = 40 mm

    y = 240 pa

    * = 30 pa

    t$la &a = 19 mm

    e &%a &= 10 mm

    # = 450(40(10(0,5)19

    = 390,5 mm

    = 0,85

    = 0,0645

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    0,4838

    ata$

    e " &&a #"amb"l "la" ;m" = 0,00583

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    ar" per "t$ &a / 2000 #"per-le :

    $ = 2,94 tm = 2,94 x 10 7

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    =

    = 569,15375 mm 2

    3 t$la &a

    a#a = 3 > 19 2

    = 850,586211 mm 2 ? perl$ ma

    32,02207 mm

    = 850,586211 240

    = 76448435,95

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    a#a ? ma

    @ara% tar T$la &a

    s = 46,5 mm ? 40 mm

    @a#" #"pa%a" t$la &a 3 19

    er "t$ &a #a%t$al #a #

    # =

    =

    = 112,667 mm

    #a%t$al = ( #

    = 390,5 112,667

    = 277,8333

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    40

    40

    0,0040955

    250

    2 19

    4 19

    10(190

    Aambar eta"l T$la &a

    450

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    b+ &aera* La.an,an

    ata ere *a aa :

    = 450 mm

    b = 250 mm

    p = 40 mm

    y = 240 pa

    * = 30 pa

    t$la &a = 19 mm

    e &%a &= 10 mm

    # = 450(40(10(0,5)19

    = 390,5 mm

    = 0,85

    0,048375

    ata$

    e " &&a #"amb"l "la" ;m" = 0,00583

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    ar" per "t$ &a / 2000 #"per-le

    $ = 2,01 tm = 2,01 x 10 7

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    3 t$la &a

    a#a = 3 > 19 2

    = 850,58621 ? perl$ ma

    mm

    = 240

    = 76448435,95

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    40

    40

    s = 46,5 mm ? 40 mm

    @a#" #"pa%a" t$la &a 3 19

    2 19

    3 19

    10(190

    Aambar eta"l T$la &a

    450

    250

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    c+ Tulan,an )e'er Bal$% Ana%

    ar" per "t$ &a / 2000 #"per-le :

    C$ = 3,9277 t = 3,9277 x 10 4 # e &%a &2

    = 3'4 > 10 2

    = 235,714286 mm 2

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    C = ) E y # '

    = 235,714286 240 390,5 ' 190

    = 116269,1729