A single solid circular pile of diameter0.75 mis driven15 minto soil consisting of5 mof loose sand over a thick layer of medium dense sand. The water table (WT) is5.0 mbelow the ground surface. The upper layer of sand hasγ=17kN/m 3 above the WT andγ=19.8kN/m 3 below the WT,c ′ =0,φ ′ =27 ∘ . The lower deposit of dense sand hasγ=20.0kN/m 3 below the WT,c ′ =0,φ ′ =38 ∘ . Along the pile-soil interface, it is assumed thatK=1−sinϕ ′ andδ ′ =0.75φ ′ and the pile is assumed to be weightless with the bearing capacity factorN q =120. (a) Determine the shaft capacity of the pile; (b) Calculate the base capacity of the pile; and (c) Determine the ultimate load capacity of the pile. A single solid circular pile of diameter 0.75 m is driven 15 m into soil consistingof 5 m of loose sand over a thick layer of medium dense sand. The water table(WT) is 5.0 m below the ground surface. The upper layer of sand hasy=17kN/m³ above the WT and y=19.8kN/m³ below the WT, c'= 0, '= 27°.The lower deposit of dense sand has y=20.0kN/m³ below the WT, c'= 0,p=38°. Along the pile-soil interface, it is assumed that K=1-sin' andS'=0.75p' and the pile is assumed to be weightless with the bearing capacityfactor N₁ = 120.(a) Determine the shaft capacity of the pile;(b) Calculate the base capacity of the pile; and(c) Determine the ultimate load capacity of the pile.

d = 0.75 m L = 15 m Soil thickness of loose sand over a thick layer of medium-dense sand.h = 5…

Answered: A single solid circular pile of…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A single solid circular pile of diameter 0.75 m is driven 15 m into soil consisting of 5 m of loose sand over a thick layer of medium dense sand. The water table (WT) is 5.0 m below the ground surface. The upper layer of sand has γ=17kN/m 3 above the WT and γ=19.8kN/m 3 below the WT, c ′ =0,φ ′ =27 ∘ . The lower deposit of dense sand has γ=20.0kN/m 3 below the WT, c ′ =0 , φ ′ =38 ∘ . Along the pile-soil interface, it is assumed that K=1−sinϕ ′ and δ ′ =0.75φ ′ and the pile is assumed to be weightless with the bearing capacity factor N q =120 . (a) Determine the shaft capacity of the pile; (b) Calculate the base capacity of the pile; and (c) Determine the ultimate load capacity of the pile.

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