LATERAL EARTH PRESSURE DIAGRAM

LATERAL EARTH PRESSURE DIAGRAM

LATERAL EARTH PRESSURE DIAGRAMFixed Earth Support

LATERAL EARTH PRESSURE DIAGRAMFree Earth Support

LATERAL EARTH PRESSURE DIAGRAMFree Earth Support

CALCULATION STEPSCANTILEVER SHEET PILE - SAND

CALCULATION STEPSCANTILEVER SHEET PILE - SAND1. Determine the value of Ka and Kp2. Calculate p1and p2 with L1 and L2 are known3. Calculate L34. Calculate the resultant of the area ACDE (P)5. Determine the z (the center of pressure for the area ACDE)

CALCULATION STEPSCANTILEVER SHEET PILE - SAND6. Calculate p57. Calculate A1, A2, A3, A4

CALCULATION STEPSCANTILEVER SHEET PILE - SAND8. Determine L49. Calculate p410. Calculate p311. Calculate L512. Draw the pressure distribution diagram13. Obtain the theoretical depth ; D = L3 + L4 The actual depth of penetration is increased by about 20% - 30%14. Calculate the maximum bending moment

EXAMPLECANTILEVER SHEET PILE - SANDGWLd = 15.9 kN/m3t = 19.33 kN/m3 = 32oc = 0 kPaL1 = 2 m

L2 = 3 m DDetermine the penetration depth (D) and dimension of sheet pile

EXAMPLECANTILEVER SHEET PILE - SANDStep 1 (determine the value of ka and kp)

Step 2 (calculate p1 and p2)

Step 3 (Calculate L3)kPakPam

EXAMPLECANTILEVER SHEET PILE - SANDStep 4 (calculate P)

Step 5 (calculate z)

Step 6 (calculate p5)kN/mmkN/m2

EXAMPLECANTILEVER SHEET PILE - SANDStep 7 (calculate A1 A4)

EXAMPLECANTILEVER SHEET PILE - SANDStep 8 (determine L4)

Step 9 (calculate p4)

Step 10 (calculate p3)L4 4.8 mkPakPa

EXAMPLECANTILEVER SHEET PILE - SANDStep 11 (Calculate L5)

Step 12 Draw the pressure distribution diagram

Step 13 (the penetration dept of sheet pile)Theoretical = 0.66 + 4.8 = 5.46 mActual = 1.3 (L3+L4) =7.1 mm

EXAMPLECANTILEVER SHEET PILE - SAND

EXAMPLECANTILEVER SHEET PILE - SANDDimension of Sheet Pile

mkN.m