b) Figure Q.4(b) below represents the flow beneath a sheet piling wall. If the coefficient of permeability (k) is 1.3x 1

[answerhappygod]

B Figure Q 4 B Below Represents The Flow Beneath A Sheet Piling Wall If The Coefficient Of Permeability K Is 1 3x 1 1 (113.71 KiB) Viewed 17 times

b) Figure Q.4(b) below represents the flow beneath a sheet piling wall. If the coefficient of permeability (k) is 1.3x 104 m/s, void ratio (e) is 0.90, specific gravity (Gs) of soil is 2.67 and specific weight of water is 9.81 kN/m² 7m Y N G.W.L B 1m 1m 5m 9m 10m Impermeable layer Figure Q.4(b): Flow Net Under a Sheet Piling Wall Determine the following: (i) Na and Nc; (ii) total head at AB; (iii) total head at Points Y and Z; (iv) pore water pressure at Points Y and Z; (v) the flow per meter width underneath the sheet pile after 1 hour; (vi) critical hydraulic gradient (ic); (vii) the hydraulic gradient at exit point; and (viii) the factor of safety against piping. (2 marks) (2 marks) (2 marks) (2 marks) (2 marks) (2 marks) (2 marks) (2 marks)