Homeworks of chapter 4 1. A vertical section through a building foundation at a site is shown in Figure below. The average modulus of volume compressibility of the clay is m, 5 x 105 m²/kN. Determine the primary consolidation settlement. Foundation: width B = 10 m, length L = 20 m 200 kPa 10 m- As, = m ·Aơ';h, 10 m- Clay *Gravel

Homeworks of chapter 4 1. A vertical section through a building foundation at a site is shown in Figure below. The average modulus of volume compressibility of the clay is m, 5 x 105 m²/kN. Determine the primary consolidation settlement. Foundation: width B = 10 m, length L = 20 m 200 kPa 10 m- As, = m ·Aơ';h, 10 m- Clay *Gravel

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 5-ft fill is to be placed over the following soil profile shown below. Determine if the clay is normally consolidated or over-consolidated. The pre-consolidation pressure (past maximum consolidation stress) of the clay is 1000 lb/ft3. 5 ft 2 ft 4 ft Proposed Fill, y = 120 lb/ft³ Sand Clay Rock 2 ft A Ydry = 100 lb/ft³ Ground water table Ysat 110 lb/ft³ = o'= Pc = 1000 lb/ft²
Refer to Figure 2, estimate the primary consolidation settlement in the clay layer. Given: Ag = 85 kN/m²; Hi = 2 m; H2 = 4 m; and H3= 6 m. Soil characteristics are as follows: Sand: ydx 14 kN/m³, Ysat 18 kN/m³ Clay: LL = 54; e = 0.98; Ysat 19 kN/m'; Cs =- Cc 150 kN/m? H3 Sand Clay ョ→
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Q 1) A concrete foundation rests on the surface of a soil mass. Determine the vertical stress increase at point A. 4 m 1 m 1.5 m PLAN 1.5 m Fondation Load 3000 KN 2 m SECTION A Soil
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Prob- The various approximations approaches described in this section can be used to compare K_a for both a normally consolidated (nc) clay and a clay with a known value of OCR = 5.0.
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Refer to Figure below. Estimate the primary consolidation settlement in the clay layer. Given: Δσ = 150 kN/m2; H1 = 3 m; H2 = 4 m; and H3= 5 m. Soil characteristics are as follows: • Sand: γdry = 15 kN/m3, γsat = 19 kN/m3 • Clay: LL = 65; e = 0.65; γsat = 18 kN/m3; ; Cs =1/6cc σʹc = 200 kN/m2
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