Question

A sheet pile bulkhead for a shipping channel is used to support a fill that extends 25ft higher than the channel bottom. The fill and channel bottom consist of granular soil with unit weight y of 120pcf and friction angle pf 35o. Determine the required depth of sheet pile embedment, using the free earth-support method (ref. Figure). The wall anchor (tieback) will be 5 ft below the top of the fill, and the design depth for the channel water is 18 ft. Koyz Deflection KpyD

Answer 1

ven Unit peraht (y) , 120 el Tie back (e)t.524 m Dettmine the requned depth f shet pite ee earth lubpoet methoch 5 50 Sl 爿 1-Sung )。그 Ka 027, kp 3 67 h(55 85 x0z)(405x (7623) 05)

lakin moment about 'm 3 う 158 5811059 f 742-1524-33,1)-lo 1S9(1051+1 62- 3 0 bo 608. 63 15.41 b(I embement depth D: atb 3.192