BAB 8 Pondasi DONE

8/19/2019 BAB 8 Pondasi DONE

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FAKULTAS TEKNIK SIPIL DANPERENCANAAN

UNIVERSITAS KRISTEN PETRA

TUGAS STRUKTUR BETON Halaman:

BAGIAN STRUKTUR:NO. GAMBAR:

PONDASI NRP: 2141208921412133

21411136

PERHITUNGAN

BAB VIII

PONDASI

8.1. Perencanaan Tulangan Bal! Sl"

Bal! Sl"

b= 20 mm !"# = 3 M$a % = 342 mm

&= 400 mm !'= 400 M$a T(lan)an *16

Ha+,l Anal,+a -TABS Bal/ B

Mma = 34.0143 Nm

( ma = 0.2949 N

Penulangan Len#ur Sl"

A+ m,n =√ fc'

4 fy b5 % = 316.140 mm

A+ m,n = 1,4fy b5 % = 299.2 mm

A+ ma = 07 ρbal $ b5 %

= 07 0,85 f c

' β

fy

600

600+ fy 20 342

= 2289.262 mm

= T

0.8 !"# a b = A+ !'

0.8 3 a 20 = A+ 400

a = 0.0381 A+

Mn = T % 0. a

Mu

0,9 = A+ !' % 0. a

A+2 0. 0.0381 A+ !' 342 ; Mu

0,9 = 0

A+1= 26.28 mm2 < A+2 = 08694.908 mm2

0


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PONDASI NRP: 2141208921412133

21411136

PERHITUNGAN

A+ A+ m,n= 316.1402*16

Tulangan a#a% &an 'a(a) a!an &*+a%ang &engan ,D1-

Penulangan Ge%er Sl"

φ" = 0. 1>6 ? fc b5 % = 0. 1>6 3 20 342 >1000 = 63.2281 N

0.φ" ( φ" 7 maa m@n))(naan +@n)an) %@n)an aa m,n,m(m.

+m,n=3 Av fy

bw

=

πx102

x240

4

¿

3¿

¿

= 226.1946 mm

Caa +@n)an) D,%a b/l@& m@l@b,&, :

S m,n = %>2 aDa( 600

= 11 mm

S@n)an) 'an) %,)(naan a%ala& φ10 10 mm.

8.1.,. Ke%*+ulan Bal! Sl"

Ca%, D(lan)an bal/ +l//! 'an) D@$a+an) %, la$an)an a%ala& +@ba)a, b@,(D :

Gamba 8.1

1


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PONDASI NRP: 2141208921412133

21411136

PERHITUNGAN

T,$@ Sl//!

Gamba 8.2. *@na& SD(D( Sl//!

8.,. Perencanaan Tulangan Pla# Ba%een#Per)*#ungan Be'an Pla# lan#a* &a%ar

1. B@ban MaD, E%

B@aD +@n%,, = 0.1F2400 = 360 )>m2

B@aD +$@+, 3 "m = 21 3 = 63)>m2

T/Dal = 360 ; 63 = 423 )>m2

2. B@ban H,%($ El

anDa, %a+a = 20 )>m2

B@ban UlD,maD@ E(

2


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PONDASI NRP: 2141208921412133

21411136

PERHITUNGAN

E( = 1.2 E% ; 1.6 El

= 1.2 423 ; 1.6 20

= 90.6 )>m2 = 8.9036 N>m2

Cn#) +er)*#ungan +enulangan +a&a +ela# I

/nD/& $@&,D(n)an :

' : = 1.00

Ml = 0.001 ( l2

. 44 = 0.001 8.9036 62 44

= 9.6184 Nm

M( > b%2 = 9.6184 109 > 1000 123.2

= 292

= 0.0013 Tab@l UR I

A+ = b %

= 0.0013 1000 123.

= 188.9 mm2 >m

A+ m,n = 0.2J b &

= 0.2>100 1000 10

= 3 mm2 >m

*,)(naan A+ 3 mm2 >m

M@n))(naan T(lan)an ∅13

C(mla& D(lan)an 'an) %,b(D(&an = 3 > 0.2 22> 13 = 2.82

Caa anDa D(lan)an = 1000 > 2.82 = 33.93 M@n))(naan ∅1320

P@&,D(n)an $a%a $@laD 'an) la,n %a$aD %,l,&aD %, lam$,an.

PlaD = ∅1320

3


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PONDASI NRP: 2141208921412133

21411136

PERHITUNGAN

Gamba 8.3 *@na& SD(D( $laD %a+a

8./. Perencanaan Fn&a%*

8./.1. Be'an 0ang &*guna!an +a&a +erencanaan Fn&a%*

B@ban D@!aD/ $a%a !/n%a+, %,D@nD(an b@%a+aan SNI 1262012 $a+al 4.2.2

P@&,D(n)an )a'a n/mal D@!aD/ N(:

N(1 = 1.4 N*

N(2 = 1.2 N* ; 1.6 N

N(3 = 1.2; 0.2 S*S N* ; R N ; 1.0 N-L ; 0.3 N-

N(4 = 1.2; 0.2 S*S N* ; R N 1.0 N-L ; 0.3 N-

N( = 1.2; 0.2 S*S N* ; R N ; 1.0 N- ; 0.3 N-L

N(6 = 1.2; 0.2 S*S N* ; R N 1.0 N- ; 0.3 N-L

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PONDASI NRP: 2141208921412133

21411136

PERHITUNGAN

N( = 0.90.2 S*S N* ; 1.0 N-L ; 0.3 N-

N(8 = 0.90.2 S*S N* 1.0 N-L ; 0.3 N-

N(9 =0.90.2 S*S N* ; 1.0 N- ; 0.3 N-L

N(10 = 0.90.2 S*S N* 1.0 N- ; 0.3 N-L

P@&,D(n)an m/m@n D@!aD/ M(:

M* = M*2 ; M*3

M = M*2 ; M*3M-L = M*3

M- = M*2

M(1 = 1.4 M*

M(2 = 1.2 M* ; 1.6 M

M(3 = 1.2; 0.2 S*S M* ; RM ; 1.0 M-L ; 0.3 M-

M(4 = 1.2; 0.2 S*S M* ; R M 1.0 M-L ; 0.3 M-

M( = 1.2; 0.2 S*S M* ; RM ; 1.0 M- ; 0.3 M-L

M(6 = 1.2; 0.2 S*S M* ; R M 1.0 M- ; 0.3 M-L

M( = 0.90.2 S*S M* ; 1.0 M-L ; 0.3 M-

M(8 = 0.90.2 S*S M* 1.0 M-L ; 0.3 M-

M(9 =0.90.2 S*S M* ; 1.0 M- ; 0.3 M-L

M(10 = 0.90.2 S*S M* 1.0 M- ; 0.3 M-L

enen#u!an Ga0a Nral &an en ASD 'er&a%ar!an SNI 12,-3,41, 5.,./

Ga'a n/mal

N1 = N*

N2 = N* ; N

N3 = N* ; N ;0. 1.0 N-L ; 0.3 N-

N4 = 0.6 N* ; 0. 1.0 N-L 0.3 N-

Ga'a M/m@n

M1 = M*

M2 = M* ; M

M3 = M* ; M ;0.1.0 M-L ; 0.3 M-


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PONDASI NRP: 2141208921412133

21411136

PERHITUNGAN

M4 = 0.6 M* ; 0. 1.0 M-L 0.3 M-

Ga'a H/,/nDal

H1 = H*

H2 = H* ; H

H3 = H* ; H ; 0.1.0 H-L ; 0.3 H-

H4 = 0.6 H* ; 0. 1.0 H-L 0.3 H-

8./.,. Be'an 0ang &*guna!an +a&a +erencanaan Fn&a%* T*ang Pancang +a&a 6*n 14

*,mana aDaaDa %a, E" %an n,la, m,n,mal CHP %,amb,l %a, @%alam &2% 7 &% 7 & 7 &;%

+@$@D, "/nD/& %,ba5a& ,n, :

Lca#*

n

De+#

)

7c !g9c,: ;HP !g9c:

S1 S, S/ S5*

nS1 S, S/ S5 *n

)3,& 18.1 200 200 012

0 10301300

110

1300

1030

)3& 18. 16 2210

110

110 1100130

1200

140

1100

) 19 200 22 230

120

120 1200 130

120

10

1200

)"m

S$@+,!,a+, T,an) Pan"an) :

T,an) Pan"an) %a, $@(+a&aan B@D/n P,ma b@((an 44 "m D'$@ B4 %@n)an :

K@%alaman = 19 m

Pall = 22.16 D/n

M" = 10.48 D/n m@D@

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PONDASI NRP: 2141208921412133

21411136

PERHITUNGAN

M(lD = 1.3 D/n m@D@

Ab@a,n) = 4 4 = 202 "m2

K@l,l,n) = 4 4 = 180 "m

*a'a %((n) 1 D,an) b@%a+aan @(aDan b@D/n : Pall = 22.16 D/n

*a'a %((n) 1 D,an) b@%a+aan %a'a %((n) Dana& :

all = E" A b > 3 ; CHP K@ll > = 3

202100×

;

180.12 ×

= 1120 K) 112. D/n

Maa all 'an) m@n@nD(an %a, a$a+,Da+ Dana& 'a,D( 112. D/n

Ca%, (nD( m@n@nD(an (mla& D,an) $an"an) b@%a+aan a$a+,Da+ Dana& maa %,$aa,

(m(+ ,a,a. P %,amb,l %a, /mb,na+, )@m$a D@b@+a7 $a%a /,n 1:

C(mla& D,an) ,a,a = all Q

P ×.1

C(mla& D,an) ,a,a = 81.9.112

4.1848.1

x

×

= 2. b(a& 8 b(a&

* = 4 "m

Caa anDa D,an) 3*

3* = 3 4 = 13 "m = 1.3 m

*,amb,l 1.4 m

S@%an)an aa D,an) @ ((n)

1.* = 1. 4 = 0.6 "m = 0.6 m

*,amb,l 0. m


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PONDASI NRP: 2141208921412133

21411136

PERHITUNGAN

P@&,D(n)an (nD( D,an) 'an) b@@l/m$/.

-!,+,@n+, %a, @l/m$/ D,an) %,ba5a& ,n, %,&,D(n) b@%a+aan (m(+ %a, /nQ@+,abba@.

=

s

d arctg

* = 4 "m

S = 140 "m

=

140

4arctg

= 1.82

nm

nmmn Eg

×

×−+×−×−=

11

901

θ

22

212212

90

82.11

×

×−+×−×−= Eg

802.0= Eg

Ca%, %a'a %((n) D,an) $@l( %,@%(+, %@n)an %,al,an !aD/ @!,+,@n+, D,an)

all = 112. D/n 0.802 = 90.4414 D/n

al( all %,@%(+, %an %,%a$aD (mla& D,an) +@ban'a 6 D,an)%,$a+an) 8 D,an).

*a, )amba D@+@b(D %,D@nD(an //%,naD ma+,n)ma+,n) D,an) %@n)an //%,naD D,D, n/l

a%ala& D,D, a+ /l/m

1 2 3 4

TOTALX -0.7 0.7 -0.7 0.7

Y -0.7 -0.7 0.7 0.7

X² 0.49 0.49 0.49 0.49 ƩX2 1.96

Y² 0.49 0.49 0.49 0.49 ƩY2 1.96

Pa%a D,D, 1 %@n)an /mb,na+, b@ban *;;0.-

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PONDASI NRP: 2141208921412133

21411136

PERHITUNGAN

BS D,an) = A D,an) K@%alaman γ = 1000202

19 2.4 = 9.234 D/n

P = 1848.4>9.81 ; BS $/@

= 188.43 ; 2.4 0.6 2.8 2.8 = 199.23

M = 1.40 D/n m

M' = 4.68 D/n m

K//%,naD D,D, 2 :

L=0.m %an = 0.m

P ma $a%a 1 D,an) = BStiang

n

P +

∑

×2

X

X M

∑

×2

Y

Y M

=234.9

8

199.23 +

; 6.11

.0.401 ×

; 6.11

.04.68: −×

= 66.338 D/n 112. D/n OK

S@lan(Dn'a (nD( D,D,D,D, 'an) la,n m@n))(naan @"@l

Kombin

asi 1 2 3 4

D+L+0.

7E

!333

0

66!337

92

1!992

73

62!99

76

/n%a+, %a$aD %,$aa, a@na +@m(a )a'a 'an) D@a%, %,ba5a& )a'a ,,n.

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PONDASI NRP: 2141208921412133

21411136

PERHITUNGAN

*,mana :

n = (mla& D,an)

%an ' a%ala& //%,naD

T(lan)an l@nD( 'an) %,D,na(

B@%a+aan a+(m+, @$,D b@ba+

Gamba 8.2 ,%@al,+a+, aa&

S@l,m(D b@D/n = mm

P1D = $1;$4

= .3330 ; 1.9923

= 10.328 D/n = 102.866 N

P1D = $2;$4 Gamba 8.3 ,%@al,+a+, aa& '

= 66.3392 ; 62.996

= 129.332 D/n = 1268.8 N

P1D 'an) %,$aa, = 1268.8 N

P2D = $1;$2

= .3330;66.3392

= 121.61 D/n = 1193.92 N

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PONDASI NRP: 2141208921412133

21411136

PERHITUNGAN

P2D =$3;$4

= 1.9923;62.996

= 114.99 D/n = 1128.0 N

P2D 'an) %,$aa, = 1193.92 N

Mma aa& = P1D 1.4 = 1268.8 1.4 = 16.292 Nm

Mma aa& ' = P2D 1.4 = 1193.92 1.4 = 161.0288 Nm

8././. Perencanaan P*le Ca+

Per)*#ungan P*le Ca+ +a&a !l P1

V. Ka+a%*#a% Per

@ )@+@ l@nD( 1 aa&

* T(lan)an: *22

Per !l

D@bal: 0.6 m b: 0. m

b: 2.8 m &: 0. m

&: 2.8 m

% = 600 22>2 = 14 mm

( = 1848.4 N %a, D,an) $1D %an $2D

" = 61 ?c f b % SNI 0328420027@E 46

= 07 6

1

3 2800 14

= 1064.302 KN

( V "

1848.4 N V 1064.302 N eerlu!an #ulangan ge%er

+ =Vc

Vu

−ϕ =.0>302.1064

.0

4.1848

−= 104.6 KN

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PONDASI NRP: 2141208921412133

21411136

PERHITUNGAN

Caa anDa D(lan)an b@%a+aan SNI 032482002 $a+al 13.6.:

131.18106.104

14F400F16FF2.0F4

3

2

=×

== π

s

yv

V

d f A s

mm $aa, 4 a,

S@n)an) 'an) %,)(naan a%ala& 4*1610.

@ )@+@ $/n+ a,baD /l/m @ $/@

% = 600 22>2 = 14 mm

/l/m = 1848.4 N

b/ = 2 W 00 ; 2 14>2;00;214>2

= 486 mm

X" = 00>00 = 1

Y = 40 ,nD@,/

φ" =φ W 4 W?c f W b/ W % 12

1× = 0. W 1448634 ××× 121× = 3691.61 KN

φ"=φ W (2+4

βc) (2+4

βc ) W 1>12 W √ f c ' W b/ W % = 899. KNφ"=φ W (α s ×dbo +2) W 1>12 W √ f c ' W b/ W % = .84 KN

( φ" 1848.4 3691.61 KN OK

@ )@+@ $/n+ a,baD $,l@ @ $/@

T,an) Pan"an) = 4 4 "m

2

% = 600 22>2 = 14 mm

b/ = 4 * D,an) ; %

= 4 40;14 = 386 mm

φ" =φ W 4 W?c f W b/ W % 12

1× =07 4 3 386 14 12

1

= 2931.394 KN

φ"=φ W (2+ 4 βc) (2+4

βc ) W 1>12 W √ f c ' W b/ W % = 864.4 KN

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PONDASI NRP: 2141208921412133

21411136

PERHITUNGAN

φ"=φ W (α s ×d

bo+2) W 1>12 W √ f c ' W b/ W % = 33.208 KN

Amb,l φ" =2931.394 N

( = R(ma 1 D,an) $an"an)

= 462.14 KN

( Z "

462.14 KN Z 2931.394 KN OK

8.5. Penulangan Per

8.5.1 Penulangan len#ur ara) >

Mma aa& = 16.292 Nm

Paa, %,am@D@ D(lan)an *22

% =60022>2 =14 mm

2bxd

M u

=2

14.08.2

292.16

x = 2401.21 = 0.009 UR I 7$+ .1

A+ = b % UR I 7$+ .1

= 0.009 2800 14 = 11369.68 mm2 >2.8 m#= 4060.6 mm2>m#

T(l m,n,m(m $laD 0718J 1000 14 = 92.2 mm2

A+ V A+ m,n A+ $a+an) = 4060.6 mm2 *2290

A+ +(+(D = A+ $a+an) *1090

8.5., Penulangan len#ur ara) ?

Mma aa& ' = 161.0288 Nm

2bxd

M u

=2

14.08.2

0288.161

x = 228.914 = 0.006 UR I 7$+ .1

A+ = b % UR I 7$+ .1

= 0.006 2800 14 = 1093.92 mm2 >2.8 m#= 3906.4 mm2>m#

T(l m,n,m(m $laD 0718J 1000 14 = 92.2 mm2

A+ V A+ m,n A+ $a+an) = 3906.4 mm2 *2290

A+ +(+(D = A+ $a+an) *10100

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PONDASI NRP: 2141208921412133

21411136

PERHITUNGAN

S@&,n))a $@n(lan)an $/@ m@n))(naan *2290 (nD( aa& %an *2290 (nD(

aa& '.

84

BAB 8 Pondasi DONE

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