Perencanaan Pondasi Acc
Perencanaan Pondasi Acc
Perencanaan Pondasi Acc
Manometer Reading
Total
Cone Total Local Friction
Depth Friction (Fr) Fr*20/10 Cumulative Friction Ratio (FR)
Resistance Resistance (LF)
Friction (TCF)
(qc) (TR)
(m) (kg/cm2) (kg/cm2) (kg/cm2) (kg/cm') (kg/cm') (kg/cm2) (%)
A B C D E F G H
0.00 0 0 0 0 0 0.00 0.00
-0.20 0 0 0 0 0 0.00 0.00
-0.40 0 0 0 0 0 0.00 0.00
-0.60 0 0 0 0 0 0.00 0.00
-0.80 3 4 1 2 2 0.10 3.33
-1.00 2 3 1 2 4 0.10 5.00
-1.20 5 7 2 4 8 0.20 4.00
-1.40 6 9 3 6 14 0.30 5.00
-1.60 8 12 4 8 22 0.40 5.00
-1.80 12 16 4 8 30 0.40 3.33
-2.00 16 21 5 10 40 0.50 3.13
-2.20 22 30 8 16 56 0.80 3.64
-2.40 25 33 8 16 72 0.80 3.20
-2.60 16 21 5 10 82 0.50 3.13
-2.80 18 23 5 10 92 0.50 2.78
-3.00 15 20 5 10 102 0.50 3.33
-3.20 17 23 6 12 114 0.60 3.53
-3.40 28 35 7 14 128 0.70 2.50
-3.60 22 30 8 16 144 0.80 3.64
-3.80 20 27 7 14 158 0.70 3.50
DATA TANAH
UNTUK PERENCENAAN BEBAN GEMPA DAN STRUKTUR PONDASI
HANNY KARTIKA / ZALINO SABRIAN
PPG - 3A
4.11.15.0.12 / 4.11.15.0.25
Manometer Reading
Total
Cone Total Local Friction
Depth Friction (Fr) Fr*20/10 Cumulative Friction Ratio (FR)
Resistance Resistance (LF)
Friction (TCF)
(qc) (TR)
(m) (kg/cm2) (kg/cm2) (kg/cm2) (kg/cm') (kg/cm') (kg/cm2) (%)
A B C D E F G H
-4.00 16 21 5 10 168 0.50 3.13
-4.20 32 44 12 24 192 1.20 3.75
-4.40 29 34 5 10 202 0.50 1.72
-4.60 26 30 4 8 210 0.40 1.54
-4.80 22 25 3 6 216 0.30 1.36
-5.00 15 31 16 32 248 1.60 10.67
-5.20 23 39 16 32 280 1.60 6.96
-5.40 31 47 16 32 312 1.60 5.16
-5.60 35 50 15 30 342 1.50 4.29
-5.80 37 55 18 36 378 1.80 4.86
-6.00 38 55 17 34 412 1.70 4.47
-6.20 32 55 23 46 458 2.30 7.19
-6.40 35 55 20 40 498 2.00 5.71
-6.60 40 55 15 30 528 1.50 3.75
-6.80 35 50 15 30 558 1.50 4.29
-7.00 28 45 17 34 592 1.70 6.07
-7.20 45 47 2 4 596 0.20 0.44
-7.40 50 65 15 30 626 1.50 3.00
-7.60 48 62 14 28 654 1.40 2.92
-7.80 45 60 15 30 684 1.50 3.33
DATA TANAH
UNTUK PERENCENAAN BEBAN GEMPA DAN STRUKTUR PONDASI
HANNY KARTIKA / ZALINO SABRIAN
PPG - 3A
4.11.15.0.12 / 4.11.15.0.25
Manometer Reading
Total
Cone Total Local Friction
Depth Friction (Fr) Fr*20/10 Cumulative Friction Ratio (FR)
Resistance Resistance (LF)
Friction (TCF)
(qc) (TR)
(m) (kg/cm2) (kg/cm2) (kg/cm2) (kg/cm') (kg/cm') (kg/cm2) (%)
A B C D E F G H
-8.00 42 58 16 32 716 1.60 3.81
-8.20 50 55 5 10 726 0.50 1.00
-8.40 52 58 6 12 738 0.60 1.15
-8.60 55 58 3 6 744 0.30 0.55
-8.80 50 55 5 10 754 0.50 1.00
-9.00 55 60 5 10 764 0.50 0.91
-9.20 58 62 4 8 772 0.40 0.69
-9.40 55 60 5 10 782 0.50 0.91
-9.60 60 65 5 10 792 0.50 0.83
-9.80 62 68 6 12 804 0.60 0.97
-10.00 65 70 5 10 814 0.50 0.77
-10.20 68 72 4 8 822 0.40 0.59
-10.40 65 70 5 10 832 0.50 0.77
-10.60 72 74 2 4 836 0.20 0.28
-10.80 58 65 7 14 850 0.70 1.21
-11.00 50 68 18 36 886 1.80 3.60
-11.20 55 72 17 34 920 1.70 3.09
-11.40 42 75 33 66 986 3.30 7.86
-11.60 45 70 25 50 1036 2.50 5.56
-11.80 32 72 40 80 1116 4.00 12.50
DATA TANAH
UNTUK PERENCENAAN BEBAN GEMPA DAN STRUKTUR PONDASI
HANNY KARTIKA / ZALINO SABRIAN
PPG - 3A
4.11.15.0.12 / 4.11.15.0.25
Manometer Reading
Total
Cone Total Local Friction
Depth Friction (Fr) Fr*20/10 Cumulative Friction Ratio (FR)
Resistance Resistance (LF)
Friction (TCF)
(qc) (TR)
(m) (kg/cm2) (kg/cm2) (kg/cm2) (kg/cm') (kg/cm') (kg/cm2) (%)
A B C D E F G H
-12.00 34 68 34 68 1184 3.40 10.00
-12.20 34 70 36 72 1256 3.60 10.59
-12.40 34 72 38 76 1332 3.80 11.18
-12.60 36 75 39 78 1410 3.90 10.83
-12.80 38 78 40 80 1490 4.00 10.53
-13.00 32 80 48 96 1586 4.80 15.00
-13.20 30 82 52 104 1690 5.20 17.33
-13.40 28 80 52 104 1794 5.20 18.57
-13.60 28 88 60 120 1914 6.00 21.43
-13.80 28 75 47 94 2008 4.70 16.79
-14.00 26 72 46 92 2100 4.60 17.69
-14.20 26 70 44 88 2188 4.40 16.92
-14.40 26 68 42 84 2272 4.20 16.15
-14.60 26 14 -12 -24 2248 -1.20 SALAH
-14.80 26 13 -13 -26 2222 -1.30 SALAH
-15.00 24 12 -12 -24 2198 -1.20 SALAH
-15.20 24 12 -12 -24 2174 -1.20 SALAH
-15.40 22 12 -10 -20 2154 -1.00 SALAH
-15.60 26 8 -18 -36 2118 -1.80 SALAH
-15.80 22 7 -15 -30 2088 -1.50 SALAH
DATA TANAH
UNTUK PERENCENAAN BEBAN GEMPA DAN STRUKTUR PONDASI
HANNY KARTIKA / ZALINO SABRIAN
PPG - 3A
4.11.15.0.12 / 4.11.15.0.25
Manometer Reading
Total
Cone Total Local Friction
Depth Friction (Fr) Fr*20/10 Cumulative Friction Ratio (FR)
Resistance Resistance (LF)
Friction (TCF)
(qc) (TR)
(m) (kg/cm2) (kg/cm2) (kg/cm2) (kg/cm') (kg/cm') (kg/cm2) (%)
A B C D E F G H
-16.00 24 7 -17 -34 2054 -1.70 SALAH
-16.20 24 6 -18 -36 2018 -1.80 SALAH
-16.40 26 6 -20 -40 1978 -2.00 SALAH
-16.60 22 6 -16 -32 1946 -1.60 SALAH
-16.80 26 7 -19 -38 1908 -1.90 SALAH
-17.00 26 7 -19 -38 1870 -1.90 SALAH
-17.20 28 8 -20 -40 1830 -2.00 SALAH
-17.40 20 8 -12 -24 1806 -1.20 SALAH
-17.60 18 7 -11 -22 1784 -1.10 SALAH
-17.80 18 9 -9 -18 1766 -0.90 SALAH
-18.00 18 11 -7 -14 1752 -0.70 SALAH
-18.20 18 13 -5 -10 1742 -0.50 SALAH
-18.40 16 12 -4 -8 1734 -0.40 SALAH
-18.60 18 12 -6 -12 1722 -0.60 SALAH
-18.80 18 10 -8 -16 1706 -0.80 SALAH
-19.00 16 9 -7 -14 1692 -0.70 SALAH
-19.20 16 12 -4 -8 1684 -0.40 SALAH
-19.40 16 12 -4 -8 1676 -0.40 SALAH
-19.60 18 12 -6 -12 1664 -0.60 SALAH
-19.80 12 10 -2 -4 1660 -0.20 SALAH
DATA TANAH
UNTUK PERENCENAAN BEBAN GEMPA DAN STRUKTUR PONDASI
HANNY KARTIKA / ZALINO SABRIAN
PPG - 3A
4.11.15.0.12 / 4.11.15.0.25
Manometer Reading
Total
Cone Total Local Friction
Depth Friction (Fr) Fr*20/10 Cumulative Friction Ratio (FR)
Resistance Resistance (LF)
Friction (TCF)
(qc) (TR)
(m) (kg/cm2) (kg/cm2) (kg/cm2) (kg/cm') (kg/cm') (kg/cm2) (%)
A B C D E F G H
-20.00 12 9 -3 -6 1654 -0.30 SALAH
TUGAS PONDASI DATA SONDIR
LINTANG DIAN ARTANTI
PPG - 3A
4.11.15.0.14
qc (kg/cm2)
TCF / 10 (kg/cm')
Friction Ratio (%)
0 2 4 6 8 10 12 14 16 18 20 0 2 4 6 8 10 12
0.0 0.0
-1.0 -1.0
-2.0 -2.0
-3.0 -3.0
-4.0 -4.0
-5.0 -5.0
-6.0 -6.0
-7.0 -7.0
kedalaman (m)
-8.0 -8.0
-9.0 -9.0
-10.0 -10.0
-11.0 -11.0
-12.0 -12.0
-13.0 -13.0
-14.0 -14.0
-15.0 -15.0
-16.0 -16.0
-17.0 -17.0
-18.0 -18.0
-19.0 -19.0
-20.0 -20.0
P=V Mx My Wx Wy
Max Min Max Min Max Min Max Min Max Min
KN KN KNm KNm KNm KNm KN KN KN KN
1858.718 213.502 1144.418 -1137.953 691.271 -687.782 272.198 -293.264 364.893 -366.441
1858.718 1144.418 691.271 293.264 366.441
ANALISA PERHITUNGAN TIANG PANCANG
BY
LINTANG DIAN ARTANTI
PPG - 3A
4.11.15.0.14
1. Pendimensian Tiang Pancang
A. Ukuran Tiang Pancang
b = 0.3 m
h = 0.3 m
B. Kedalaman Pancang
L = 9.20 m
Tiang Pancang 60 x
60 cm
M1 = M2
1/2 g a² = 1/8 g (L-2a)² – ½ g.a²
1/2 a2 - 1/8 (L – 2a) 2 + 1/2 a2 = 0
4a2– (L – 2a) 2 + 4a2 = 0
4a2– (L2 – 4aL + 4a2) + 4a2 = 0
4a2- L2+ 4aL – 4a2 + 4a2 = 0
4a2+ 4aL - L2 = 0
Memakai rumus
Dimana a = 4; b = 4L; c = - L2
(OK)
x1 = a = 1.904 m
g = 216 Kg/m
M1 = M2 = 391.688 Kgm
D. Pengangkatan Pancang Dari Tempat ke Titik Pemancangan
M1 = M1
1/2 g a² = R1 (L-a) – [ g (L-a) x 1/2 (L-a) ]
1/2 g a² = R1 (L-a) – 1/2 g (L-a)²
1/2 g a² = (L-a) (R1 - 1/2 g (L-a))
1/2 g a²
= R1 - 1/2 g (L-a)
(L-a)
R1 = 1/2 g (L-a) - 1/2 g a²
(L-a)
R1 =
R1 =
R1 =
Mx =
Syarat Ekstrim = 0
= 0
Mmax = M2 =
M1 = M2
a² =
a =
2a (L - a) = L² - 2 a L
2aL - 2a² = L² - 2 a L
2a² - 4aL + L² = 0
Dengan menggunakan rumus
Dimana : a = 2 ; b = -4L ; c = L2
= 0.293 L (OK)
= 1.707 L
x1 = a = 2.6956 m
M1 = M2 = 784.7560109 Kgm
Fe = 3fe
5.0
x
h = 30 cm
(-b±√(b^2+4ac))/2a
Dengan menggunakan rumus X1,2 =
a= b/2 = 15
Dimana : b= 2n . Fe = 182.4637
c = ((5n . Fe) + (n . h . Fe)) = 3193.115
(-b+√(b^2+4ac))/2a
X1 =
= 9.725 cm (Dipakai)
Sehingga :
(-b -√(b^2+4ac))/2a
X2 =
= -21.889 cm
Ix1 = 1/(12 ) b x³ + b x ( 1/(2 )
x²)
= 1/(12 ) b x³ + 1/(4 ) b x³
= 1/(3 ) b x³
= 9197.605 cm4
= 678.949 cm4
Ix3 = n fe ( h - x )2
= 12501.00899 cm4
Wd = Ix
/
x
= 2301.024252 cm3
Ix/(n(h-
We = x))
= 137.963 cm3
M/
= Wd < 60 Kg/cm2
Beton
= 34.105 ( Oke Aman )
Kekuatan Bahan
M"/
= We < 1400 Kg/cm2
Baja
= 568.816 ( Oke Aman )
Abeton = (bxh)
= ( 30 x 30 )
= 900 cm²
Atulangan = ( n x fe )
= ( 8 x 3.801 )
= 30.411 cm²
Kedalaman L= 9.2 m
Harga Konus P= 72 Kg/cm²
Luasan Tiang Atiang = 900 cm²
= 20064.000 Kg
= 20.064 Ton
X Y
60.0
Tiang Beton
30 x 30
50.0
100.0
X 300.0
1200.0
50.0
Tiang Beton
Y
30 x 30
ALTERNATIVE 1
2P 2P
0.5 m
1.5 m
1.55 m
L1 = 0.50 m 2P = 41304.9 kg
L2 = 1.50 m
L= 1.55 m
220.0
= 929.045 kNm
d = Ht - d'
= 600 - 50
= 550.00 mm
j = 0.80
Rn = Mu
ϕ. b. d2
= (929.04 x 10^6)
(0,8 x 3000 x 550^2)
= 1.280 Mpa
m = Fy
0,85 . Fc'
= 400
0,85 x 40
= 11.765
pmin = 1.4 / fy
= 1.4 / 400
= 0.0035
1/m(1-√(1-
ρ perlu = (2Rn.m)/Fy)
= 1 ( 1 -√ 1 - 2 x 1.28 x 11.76 )
11.76 400
= 0.0033
= 1 x 0,85 x 40 . 600
400 600 + 400
= 0.0510
pmax = 0.75 x pb
= 0.75 x 0.051
= 0.038
Karena,
pmin > ρ perlu < pmax Tulangan Tunggal
0.0035 > 0.0033 < 0.04 Maka Pakai ρ min
Tulangan Lentur
As = ρ min x b x d
= 0.0035 x 1000 x 550
= 1925.00 mm2
Spakai = 150 mm
Tulangan Bagi
As = ( 20 / 100 ) x As Lentur
= ( 20 / 100 ) x 1925
= 385.00 mm2
Spakai = 150 mm
Tiang Beton
30 x 30
50.0
100.0
X 300.0
100.0
50.0
Tiang Beton
30 x 30 Y
b 0.30 m
Ukuran Tiang Pancang
h 0.30 m
p 3.00 m
Ukuan Poer / Pile Cap l 3.00 m
t 0.60 m
Kedalaman Pancang L 9.2 m
Jarak Tiang s 1.00 m
nx 3 bh
Banyak Tiang ny 3 bh
ntotal 9 bh
Beban Normal Total Σv 185.872 ton
Mx 114.442 t.m
Momen
My 69.127 t.m
Absis Max Xmax 1.500 m
(dari tiang pancang terluar)
Ordinat Max Ymax 1.500 m
= 29.831 ton
Beban Tiang Maksimum
Pmax2 = 185,872/9 - (69,127 x 1,5)/30 -
(114,442x 1,5)/30
= 11.474 ton
Ukuran Tiang Kedalaman Pengangkatan Pancang dari Pengangkatan Pancang dari Tempat ke
Tempat ke Tempat Titik Pemancangan
B H L X1 = a g M1 = M2 X1=a g
m m m m Kg/m Kgm m Kg/m
0.3 0.3 9.20 1.904 216 391.688 2.696 216
Kekuat
Ukuran Tiang Kekuatan Bahan Tiang
Akibat Tanah Ujung
B H Atiang Ptiang L qc Atiang
m m cm2 Kg Ton m Kg/cm 2
cm2
0.3 0.3 978.540 29356.19 29.356 9.20 72 900
fc' = 25 Mpa
fy = 400 Mpa
βc = 1
fc' = 25 Mpa
fy = 400 Mpa
Kekuatan Tanah
anah Ujung Akibat Cleef Friction Daya Dukung
Berat Sendiri Tiang
Keseimbangan
Daya Dukung Tiang cleef Rata Daya Dukung Tiang
Kg Ton Kg/cm Kg Ton Ton Kg
21600.000 21.600 #REF! #REF! #REF! #REF! 1987.2
Beban Akibat
Beban Akibat
Berat Sendiri Tiang Tiang
Tanah Keterangan
Pancang
Ton Ton Ton
1.9872 #REF! 29.356 #REF!
Fy
0,85 . Fc'
Momen Inersia Kekuatan Bah
Ix2 Ix3 Ixtotal Wd We σbeton hitung σbeton izin
cm4
cm4
cm4
cm3
cm3
Kg/cm 2
Kg/cm2
6139.129 20507.424 53163.038 3840.943 205.627 20.431 60
Keterangan
Desain Ulang
Rn
Ø Ø m ρ min ρ perlu ß
Mpa
0.8 3.134 0.85 18.824 0.0018 0.0085 0.65
1/m(1-√(1-(2Rn.m)/Fy)
Kekuatan Bahan
σbaja hitung σbaja izin
Keterangan Keterangan
Kg/cm 2
Kg/cm2
OKE AMAN 381.641 1400 OKE AMAN
As perlu Sperlu Spakai As pakai
ρb ρmax ρ pakai
mm2 mm mm mm2
#DIV/0! #DIV/0! #DIV/0! #DIV/0! #DIV/0! Err:520 Err:520
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