GeoTechnical Design of Pile

Geotechnical Design

Project : Bayejid work

Bore Hole No.

BH-# 5

Pile Size Factor of Safety against : Side Resistance End Bearing

100.000 m

Bore Hole Level

500 mm

Ground Water Level 97.500 Scour Level/Liqueafaction zone95.000 Pilecap Bottom Level 99.500 Interval of SPT Reading 1.50

2.5 3

Date :12/12/2007

m m m m

Unit Weight of Soil

18.00 kN/m3

Unit Weight of Concrete Hamar Energy Ratio Put '1' for liner and '0' for no liner Diameter of Bore Hole

24.00 kN/m3 70 0 102 mm

Depth

SPT

Soil

Soil

Corrected

Average

Lab

CU

Adhesion

Angle

Angle of

Co-eff. of

Nq

Deph

Allowable

Total

Allowable

Allowable

below

N

Code

Density /

SPT

N at

CU

for

Factor

of

Pile/Soil

Hor. Soil

or

Factor

Side

Friction

End

Pile

below

#

Consistency

(N'70)

the Zone

Analysis

a

Friction (f)

Friction

Stress

Nc

dq

Friction

at Depth

Bearing

Capacity

Pile cap

(d)

(Ks)

(kN/m2 )

(kN)

(kN)

(kN)

28 28 28 31 31 32 32 33 33 34 34 34 34 34 34

21 21 21 23 23 24 24 25 25 26 26 26 26 26 26

0.700 0.700 0.700 0.700 0.700 0.700 0.700 0.700 0.700 0.700 0.700 0.700 0.700 0.700

0.0 0.0 0.0 0.5 1.2 2.0 2.7 3.6 4.4 5.3 6.1 6.9 7.7 8.5 9.3

0 0 0 1 3 6 12 19 29 40 54 69 87 106 127

0 0 0 15 38 68 94 134 164 216 248 281 314 346 379

-5 -11 -15 -4 17 47 75 118 153 212 254 298 344 392 441

BH Log

(kN/m2 ) 1.5 3.0 4.5 6.0 7.5 9.0 10.5 12.0 13.5 15.0 16.5 18.0 19.5 21.0 22.5

2 6 10 13 15 16 17 24 28 28 32 45 49 50 50

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

Very Loose Sand Loose Sand Loose Sand Medium Dense Sand Medium Dense Sand Medium Dense Sand Medium Dense Sand Medium Dense Sand Medium Dense Sand Medium Dense Sand Medium Dense Sand Medium Dense Sand Dense Sand Dense Sand Dense Sand

2 6 10 13 15 16 16 20 22 22 24 30 32 33 33

0.0 0.0 0.0 12.7 14.5 15.5 17.0 19.0 20.8 22.2 25.0 28.5 31.5 32.3 32.5

(kN/m2 )

Page 1

20.63 20.63 23.18 23.18 26.09 26.09 29.44 29.44 29.44 29.44 29.44 29.44

1.00 1.00 1.00 1.35 1.40 1.40 1.41 1.41 1.41 1.40 1.40 1.40 1.40 1.40 1.40

Depth

1.0 2.5 4.0 5.5 7.0 8.5 10.0 11.5 13.0 14.5 16.0 17.5 19.0 20.5 22.0

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