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PERENCANAAN SHEET PILE Lokasi STA. 2+250 Data tanah A
Kedalaman 0 - 2.5 m :
C =
0.32 kg/cm2
w =
0.996 t/m3
=
11 0
Gs =
2.634 gr/cc
W = e =
54.77 % W x Gs
= (1+W) x Gs x w
=
54.77% x 2.634
=
1.443
=
(1 + 54.77%) x 2.634 x 0.996
=
1.662 gr/cc
=
0.680 A
1+e Ka1 = A
1+ 1.443
tg2 (45 - /2)
tg2 (45 - 11/2)
Kedalaman 2.5 -8.5 m :
C =
0.26 kg/cm2
w =
0.996 t/m3
=
70
Gs =
2.621 gr/cc
W = e =
=
51.05 % W x Gs
= (1+W) x Gs x w
=
51.05% x 2.621
=
1.338
=
(1 + 51.05%) x 2.621 x 0.996
=
1.687 gr/cc
1+e
1+ 1.338
Ka2 =
tg2 (45 - /2)
=
tg2 (45 - 7/2)
=
0.783 A
Kp =
tg2 (45 + /2)
=
tg2 (45 + 7/2)
=
1.278 A
Q = 5 t/m
H1
Pa1
= 2,5 m
C1
=
1
=
11 0
=
1.662 gr/cc
d Ka1
=
Pa2
A
Pp1
Pa3
D Pp2
Pa4 B
0.32 kg/cm2
1.06 gr/cc
=
tg (45 - /2)
=
tg2 (45 - 11/2) =
2
C2
=
2
=
7 0
=
1.687 gr/cc
d Ka2
=
0.980 gr/cc
=
tg2 (45 - 7/2)
Kp
=
tg (45 + /2)
=
tg2 (45 + 7/2) =
a Ttitik A a1
=
Q x Ka1
=
5 x 0.68
= a2
3.40 t/m2
= Ka1 x 1 x H1 - 2 C1 x Ka1 = 0.68 x 1.662 x 2.5 - 2 x 3.2 x 0.68 =
2.8239
5.276
-2.452 t/m2 (Merupakan tekanan pasif) a diabaikan
= p1
-
= Kp x 2 x H1 - 2 C2 x Kp = 1.278 x 1.687 x 0 + 2 x 2.6 x 1.278 =
5.878 t/m2
a Ttitik B a3
= 1 x H1 x Ka2 = 1.662 x 2.5 x 0.783 =
a4
3.253 t/m2
= 2 x D x Ka2 - 2 C2 Ka2 = 1.687 x D x 0.783 - 2 x 2.6 x 0.783 =
p2
1.3201 D -
4.601
= Kp x 2 x D = 1.278 x 1.678 x D =
2.155 D t/m2
0.26 kg/cm2
=
2
Pa1
= a1 x H1 = 3.4 x 2.5 =
Pp1
8.49 t
= p1 x D = 5.878 x D
Pa3
= a3 x D = 3.253 x D
a4
= 2 x D x Ka2 - 2 C2 Ka2 = 0 2 x H2 x Ka2 1.687 x X x 0.783 X
=
2 C2 Ka2
=
2 x 2.6 x 0.783
=
2 x 2.6 x 0.783 1.687 x 0.783
X Pa4
=
3.485 m
= (1.321 D - 4.601) x 1/2 (D - 3.483) = 0.6602 D2 - 6.902 D + 16.025 ton
Pp2
= 2.156 D x 1/2 D =
1.077 D2 ton
Keseimbangan MB = 0
a 8.5 x (1/2 x 2.5 + D) + 3.253 D x 1/2 D + (0.6602 D2 - 6.902 D + 16.025) x 1/3 (D - 3.483) = 5.879 D x 1/2 D + 1.078 D2 x 1/3 D
a 10.625 + 8.5 D + 1.6265 D2 + 0.220 D3 - 2.301 D2 + 5.342 D - 0.766 D2 + 8.013 D - 18.605 = 2.9395 D2 + 0.359 D3
a 0.139 D3 + 4.38 D2 - 21.855 D + 7.98 = 0 Dengan cara coba-coba didapat harga D
=
gr/cc
gr/cc
kg/cm2 gr/cc gr/cc 0.680 kg/cm2 gr/cc gr/cc 0.783 1.278
5
2.5
0.6601
6.901 16.033
10.618
8.494
0.766762 8.016 = 2.938765 12.627 0.139
1.626 0.220
2.300
18.624
0.359 =
3.298
4.379 21.855 8.007
9.054 70.866 87.926 8.007 65.092 16.182 4.0232
0.0000756
5.344
PERENCANAAN SHEET PILE Lokasi STA. 22 + 335.5 Data tanah A
Jenis tanah : lempung berkerikil Kedalaman 0 - 10.2 m :
C =
0.00 kg/cm2
w =
0.996 t/m3
=
27 0
Gs =
2.53 gr/cc
W = e =
2.625
18.69 % W x Gs
= (1+W) x Gs x w
=
18.69% x 2.53
=
0.473
=
(1 + 18.69%) x 2.53 x 0.996
=
2.031 gr/cc
=
0.376 A
1+e Ka1 = A
1+ 0.473
tg2 (45 - /2)
tg2 (45 - 27/2)
Kedalaman 10.2 -15 m :
C =
0.02 kg/cm2
w =
0.996 t/m3
=
26 0
Gs =
Jenis tanah : lempung
2.57 gr/cc
W = e =
=
23.74 % W x Gs
= (1+W) x Gs x w
2.8675
=
23.26% x 2.57
=
0.610
=
(1 + 23.74%) x 2.57 x 0.996
=
1.967 gr/cc
1+e
1+ 0.61
Ka2 =
tg2 (45 - /2)
=
tg2 (45 - 26/2)
=
0.390 A
Kp =
tg2 (45 + /2)
=
tg2 (45 + 26/2)
=
2.561 A
Q = 5 t/m
Pa1
H1= 10.2 m
Pp1 D Pp2
Pa4 B
a Ttitik A Q x Ka1
=
5 x 0.376
= a2
1.88 t/m2
= Ka1 x x H1 - 2 C1 xH1x Ka1 = 0.376 x 2.008 x 10.2 - 2 x 0 x10.2x 0.376 =
7.7781
= p1
-
0.000
7.778 t/m2
= Kp x x H1 + 2 C2 x H1x Kp = 2.561 x 0.996 x 10.2 + 2 x 0.02 x10.2x 2.561 =
26.671 t/m2
a Ttitik B a3
= x H1 x Ka2 = 2.031 x 10.2x 0.39 =
a4
8.087 t/m2
= 2 x D x Ka2 - 2 C2 Ka2 = 1.967 x D x 0.39 - 2 x 0.02 x 0.39 =
p2
0.768 D -
0.250
= Kp x 2 x D = 2.561 x 1.975 x D =
-
1
=
27 0
=
2.031 gr/cc
d Ka1
=
5.038 D t/m2
= =
Pa3
=
=
Pa2
A
a1
C1
kg/cm2
1.82 gr/cc tg (45 - /2) 2
tg2 (45 - 27/2) =
C2
=
2
=
26 0
=
1.967 gr/cc
d Ka2
=
1.920 gr/cc
=
tg2 (45 - 26/2) =
Kp
=
tg2 (45 + /2)
=
tg2 (45 + 26/2) =
0.02 kg/cm2
Pa1
= a1 x H1 = 1.88 x 4.5 =
Pp1
19.15 t
= p1 x D =
Pa3
= a3 x D =
a4
26.671 x D
8.087 x D
= 2 x D x Ka2 - 2 C2 Ka2 1.975 x D x 0.390 - 2 x 0.02 0.390 2 x H2 x Ka2 1.967 x X x 0.390 X
=
2 C2 Ka2
=
2 x 0.02 x 0.390
=
2 x 0.02 x Ö 0.390 1.967 x 0.390
X Pa4
=
0.325 m
= (0.768 D - 0.25) x 1/2 (D - 0.325) = 0.384 D2 - 0.250 D - 0.125 D + 0.081
Pp2
= p2 x D x 1/2D = 5.038 D x 1/2 D = =
2.519 D2 ton 36.150 ton
Keseimbangan MB = 0
a Pa1*(2.5+D) + Pa2*(1.5+D)+Pa3*(0.5xD) + Pa4*(D/3-X/3) - Pp1*(0.5xD) - Pp2*(D/3) = 0 a
=
0.001
a Dengan cara coba-coba didapat harga D
=
3.78824
M
Panjang Sheet Pile
=
14.75
M
=
15
M
Dibulatkan menjadi
gr/cc
gr/cc
kg/cm2 gr/cc gr/cc 0.376 kg/cm2 gr/cc gr/cc 0.390 2.561
5
10.2
0.384
D2
2.695
-0.250 -0.125 5.390
D
-0.375 D 0.081
Faktor keamanan = 1,2
PERENCANAAN SHEET PILE Lokasi STA. 2+700 Data tanah A
Kedalaman 0 - 2.5 m :
C =
0.27 kg/cm2
w =
0.996 t/m3
=
70
Gs =
2.581 gr/cc
W = e =
51.14 % W x Gs
= (1+W) x Gs x w
=
51.14% x 2.581
=
1.320
=
(1 + 51.14%) x 2.581 x 0.996
=
1.675 gr/cc
=
0.783 A
1+e Ka1 = A
1+ 1.320
tg2 (45 - /2)
tg2 (45 - 7/2)
Kedalaman 2.5 -8.5 m :
C =
0.31 kg/cm2
w =
0.996 t/m3
=
80
Gs =
2.631 gr/cc
W = e =
=
56.07 % W x Gs
= (1+W) x Gs x w
=
56.07% x 2.631
=
1.475
=
(1 + 56.07%) x 2.631 x 0.996
=
1.652 gr/cc
1+e
1+ 1.475
Ka2 =
tg2 (45 - /2)
=
tg2 (45 - 8/2)
=
0.756 A
Kp =
tg2 (45 + /2)
=
tg2 (45 + 8/2)
=
1.323 A
Q = 5 t/m
Pa1
H1 = 2,5 m
C1
=
1
=
7 0
=
1.675 gr/cc
d Ka1
=
Pa2
A
Pp1
Pa3
D Pp2
Pa4 B
=
Q x Ka1
=
5 x 0.783
= a2
tg (45 - /2)
=
tg2 (45 - 7/2)
2
=
8 0
=
1.652 gr/cc
d Ka2
=
1.020 gr/cc
=
tg2 (45 - 8/2)
Kp
=
tg (45 + /2)
=
tg2 (45 + 8/2) =
= 0.783 x 1.675 x 2.5 - 2 x 0.27 x 0.783 4.778
-1.500 t/m2 (Merupakan tekanan pasif) a diabaikan
= p1
-
= Kp x 2 x H1 + 2 C2 x Kp = 1.323 x 1.652 x 2.5 + 2 x 0.31 x 1.323 =
12.599 t/m2
a Ttitik B a3
= 1 x H1 x Ka2 = 1.675 x 2.5 x 0.756 =
a4
3.164 t/m2
= 2 x D x Ka2 - 2 C2 Ka2 = 1.652 x D x 0.756 - 2 x 0.31 x 0.756 =
p2
1.249 D -
5.390
= Kp x 2 x D = 1.323 x 1.652 x D =
2.187 D t/m2
=
=
3.91 t/m2
3.2773
2
C2
= Ka1 x 1 x H1 - 2 C1 x Ka1 =
0.89 gr/cc
=
a Ttitik A a1
0.27 kg/cm2
0.31 kg/cm2
=
2
Pa1
= a1 x H1 = 3.91 x 2.5 =
Pp1
9.78 t
= p1 x D =
Pa3
= a3 x D =
a4
12.599 x D
3.164 x D
= 2 x D x Ka2 - 2 C2 Ka2 1.652 x D x 0.756 - 2 x 0.31 0.756 2 x H2 x Ka2 1.652 x X x 0.756 X
=
2 C2 Ka2
=
2 x 0.31 x 0.756
=
2 x 0.31 x 0.756 1.652 x 0.756
X Pa4
=
4.317 m
= (1.249 D - 5.390) x (1/2 D - 4.317) = 0.624 D2 - 5.390 D - 2.695 D + 23.265
Pp2
= p2 x D x 1/2D = 2.187 D x 1/2 D = =
1.093 D2 ton 10.574 ton
Keseimbangan MB = 0
a Pa1*(1.25+D) + Pa3*(0.5xD) + Pa4*(D/3-X/3) - Pp1*(0.5xD) - Pp2*(D/3) = 0 a
=
0.057
a Dengan cara coba-coba didapat harga D
=
3.11
M
Panjang Sheet Pile
=
6.23
M
gr/cc
2.52925
gr/cc
2.57712
kg/cm2 gr/cc gr/cc 0.783 kg/cm2 gr/cc gr/cc 0.756 1.323
5
2.5
0.624
D2
-5.390 -2.695 5.390
2.695 D
-8.084 D 23.265
LES GIPSUM Panjang 151.87
Harga satuan 17000
Jumlah Harga 2,581,790
Panjang 61
Harga satuan 60000
Jumlah Harga 3,660,000
Luas 123.09
Harga satuan 115000
Jumlah Harga 14,155,350
29.7475
115000
3,420,963
Topi-topi
68.135
115000
7,835,525
Keliling dibawah atap
LES PLANK Harga bahan
PLAPON
TOTAL
31,653,628
Kamar & teras
Q = 5 t/m
Pa1
H1 = 10.2 m A Pp1
D
Pa2
Pa3
Pp2
Pa4 B
Pa4
