2 BORE PILE DESIGN D=1200-57M_HK12
description
Transcript of 2 BORE PILE DESIGN D=1200-57M_HK12
Rev. No. 1Project: CITY GATE Date: 4/21/2023Owner: Designed by: Lê Ngọc Hiền
Item: Checked by: Nguyễn Văn Doãn
BORE PILE DESIGN
A. GENERAL DATA
Bottom level of pilecap: 6.9 mDiameter of pile: d = 1.2 m
Pile length: 57.00 mRebar diameter: 22 mm cm²Rebar number: n = 18
B. SOIL DATA
Underground water 0.5 m
Position layer type C f SPT(m) (T/m3) (T/m3) (T/m2)
0 clay 2.72 1.500 1.500 1.00 30.00 41 clay 4.18 1.476 0.476 0.68 6.45 11 clay 16.8 1.476 0.476 0.68 6.45 13 sand 4.5 1.961 0.961 1.00 27.60 264 clay 4.1 1.938 0.938 4.16 16.78 135 clay 1.9 1.892 0.892 2.81 21.72 126 sand 19.9 1.975 0.975 1.00 27.80 258 clay 2.88 2.012 1.012 4.79 18.95 477 sand 0 08 sand 0 09 sand 0 0
10 sand 011 sand
END PILE 8 clay 0 2.012 1.012 4.790 18.950 47
C. PILE BEARING CAPACITY
MIN(1,2,3) = 701 T
Chọn = 650 T 1. Refer to material
Material data :
- Concrete grade: M300 60.00
- Steel grade: A-III 2200
Pile capacity 825 T (1)
Job No:
Df =
Lp =f =
Hw =
hi g tn g dn
ABOVE PILECAP
BELOW PILECAP
Ptk =
Ptk
Rn = Kg/cm2
Ra = Kg/cm2
Qvl=
3. Pile bearing capacity according to standard penetration test (TCXD 195-1997)
Allow Bearing Capacity: 701 Ton (3)
With:
SPT index at bottom pile
SPT index in clay soil layer
SPT index in sand soil layer
Length of pile in clay soil layer
Length of pile in sand soil layer
Area of pile: 1.13Parameter of pile: W = 3.77 m
layer
0 2.72 0 0 4 2.721 4.18 0 0 1 4.181 16.82 0 0 1 16.82 0 16.82 38.5023 4.5 26 4.5 0 0 117 0 7.8334 4.1 0 0 13 4.1 0 53.3 7.2435 1.9 0 0 12 1.9 0 22.8 3.4556 19.9 0 25 19.9 0 0 497.5 0 34.3228 2.88 0 0 47 2.88 0 135.36 4.8477 0 0 0 0 0 0 0 0.0008 0 0 0 0 0 0 0 0.0009 0 0 0 0 0 0 0 0.000
10 0 0 0 0 0 0 0 0.00011 0 0 0 0 0 0 0 0.000
47SUM 614.5 228.28 96.202313
Qa =
Qa = 1.5NTBAp + (0.15NcLc + 0.43NsLs)W - Wp
NTB
Ns
Nc
Ls
Lc
Ap = m2
h (m) NTB Nc
Lc
(m) NsLs
(m) NcLc NsLsWp(T)
ENDPILE