As shown in the figure given below, a 5 m thick layer of silty sand overlies a clay layer 3 m inthickness. Below the clay layer, there lies a 4 m thick gravelly sand layer underlain by perviousbedrock. The ground water table is at the ground surface.GWTSilty Sand5 mYa = 18 kN/m³Ys = 19 kN/m3Clay1.5 m3 mYs = 18 kN/m3x AGravelly SandYs = 20 kN/m32 m4 mx BWXXXa) Calculate the total stress (0), pore water pressure (u) and effective stress (o') at points "A"and “B". Show your work and tabulate the results in the following form.Point APoint Bo (kPa)u (kPa)o' (kPa)b) If ground water table is lowered by 2 m for foundation excavation purposes, calculate thetotal stress, pore water pressure and effective stress at points "A" and "B" (i) immediately after,(ii) long time after lowering the water table. Show your work and tabulate the results in thefollowing form.

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As shown in the figure given below, a 5 m thick layer of silty sand overlies a clay layer 3 m in thickness. Below the clay layer, there lies a 4 m thick gravelly sand layer underlain by pervious bedrock. The ground water table is at the ground surface. GWT Silty Sand V." 18 kN/m² V.- 19 kN/m 5m Clay 1.5 m v.- 18 kN/m 3 m Gravelly Sand V. - 20 kN/m 2 m 4 m T'B a) Caleulate the total stress (0), pore water pressure (u) and effective stress (a') at points "A" and "B". Show your work and tabulate the results in the following form. Point A Point B a (kPa) u (kPa) oʻ (kPa) b) If ground water table is lowered by 2 m for foundation excavation purposes, caleulate the total stress, pore water pressure and effective stress at points "A" and "B" (1) immediately after, (H) long time after lowering the water table. Show your work and tabulate the results in the following form.

As shown in the figure given below, a 5 m thick layer of silty sand overlies a clay layer 3 m in thickness. Below the clay layer, there lies a 4 m thick gravelly sand layer underlain by pervious bedrock. The ground water table is at the ground surface. GWT Silty Sand V." 18 kN/m² V.- 19 kN/m 5m Clay 1.5 m v.- 18 kN/m 3 m Gravelly Sand V. - 20 kN/m 2 m 4 m T'B a) Caleulate the total stress (0), pore water pressure (u) and effective stress (a') at points "A" and "B". Show your work and tabulate the results in the following form. Point A Point B a (kPa) u (kPa) oʻ (kPa) b) If ground water table is lowered by 2 m for foundation excavation purposes, caleulate the total stress, pore water pressure and effective stress at points "A" and "B" (1) immediately after, (H) long time after lowering the water table. Show your work and tabulate the results in the following form.

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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