Pile Design Calculation part 1

SINGLE PILE CAPACITY ANALYSIS BASED ON S.P.T VALUE Project:

PEMBINAAN SEBUAH MASJID JAMEK DI KG ZINK BUKIT GAMBIR MUAR

Client:

JKR

BoreHole

BH2

Type of Pile:

R.C SQ PILE

Size of Pile :

150 mm

Interval of STP no

1.5 m

Factor of Safety Factor of Safety

Area of Base (Ab) Area of Shaft (As)

SKIN FRICTION

END BEARING

TYPE OF SOIL

QSKIN= CuAsL

QEND BEARING = 100NAb

CLAY

QSKIN=

QEND BEARING = 300NAb

SAND

As L As L

Depth RL=XXX 0 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 24.0 25.5 27.0 28.5 30.0 31.5 33.0 34.5 36.0 37.5 39.0

The net Ultimate Load Carrying Capacity= Qu- Qnsf Qu= 69.60 Qu= 27.60 KN

QEND BEARING = 250NAb

SILT

QEND BEARING = 400NAb

GRANITE or LIMESTONE

Cu= 17 Cu= 5

0.9000 m2

3 3

Against Skin Friction Against End Bearing

Formula Meyerhof

QSKIN=

0.02250 m2

42

25 15 Soil Type

N Value

CLAY CLAY CLAY CLAY CLAY CLAY CLAY CLAY CLAY CLAY CLAY SAND SAND CLAY CLAY CLAY CLAY SAND SAND CLAY CLAY CLAY SILT SILT SILT SILT SILT

0 0 0 0 0 0 0 0 0 0 16 15 16 31 34 13 19 20 9 10 23 32 50 50 50 50 50

N Average 0 0 0 0 0 0 0 0 0 0 8 15.5 15.5 23.5 32.5 23.5 16 19.5 14.5 9.5 16.5 27.5 41 50 50 50 50

Skin Friction (kN) Q f Value Cumulative 4.50 0 4.50 4.50 4.50 9.00 4.50 13.50 4.50 18.00 4.50 22.50 4.50 27.00 4.50 31.50 4.50 36.00 4.50 40.50 4.50 45.00 27.90 72.90 27.90 100.80 15.30 116.10 15.30 131.40 15.30 146.70 4.50 151.20 35.10 186.30 15.30 201.60 4.50 206.10 4.50 210.60 15.30 225.90 62.73 288.63 76.50 365.13 76.50 441.63 76.50 518.13 76.50 594.63

End Bearing Q b 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 36.00 101.25 108.00 69.75 76.50 29.25 42.75 135.00 60.75 22.50 51.75 72.00 281.25 281.25 281.25 281.25 281.25

Ulimate Load Q u Allowable Load Q a 0 4.50 9.00 13.50 18.00 22.50 27.00 31.50 36.00 40.50 81.00 174.15 208.80 185.85 207.90 175.95 193.95 321.30 262.35 228.60 262.35 297.90 569.88 646.38 722.88 799.38 875.88

0 1.50 3.00 4.50 6.00 7.50 9.00 10.50 12.00 13.50 27.00 58.05 69.60 61.95 69.30 58.65 64.65 107.10 87.45 76.20 87.45 99.30 189.96 215.46 240.96 266.46 291.96