FoundationAoBx LSoilu, = Poisson's ratioE, == modulus of elasticity HRockFigure 11.4311.2 Refer to Figure 11.43. A square rigid foundation measuring 1.8 m x 1.8 m inplan is supported by 8 m (H) of layered soil with the following characteristics:Layer typeThickness (m) E, (kKN/m?) Ya (KN/m?)Loose sand0-220,68017.6Medium clayDense sand2- 4.5758018.319.14.5 – 858,600Given that P = 450 kN; D; = 1 m; and u,settlement of the foundation.= 0.3 for all layers, estimate the elasticO Cngagelamirg 2014©Cengage Learring 2014

Given- Square rigid foundation=1.8m×1.8mBreadth Of foundation =1.8mDF=1mμs=0.3

11.2 Refer to Figure 11.43. A square rigid foundation measuring 1.8 m x 1.8 m in plan is supported by 8 m (H) of layered soil with the following characteristics: Layor type Thickness (m) E, (KN/m²) Ya (KN/m) 0-2 Loose sand Medium clay Dense sand 20,680 7580 58,600 17.6 18.3 19.1 2-4.5 4.5 - 8 O Cengage Leaing 2014

11.2 Refer to Figure 11.43. A square rigid foundation measuring 1.8 m x 1.8 m in plan is supported by 8 m (H) of layered soil with the following characteristics: Layor type Thickness (m) E, (KN/m²) Ya (KN/m) 0-2 Loose sand Medium clay Dense sand 20,680 7580 58,600 17.6 18.3 19.1 2-4.5 4.5 - 8 O Cengage Leaing 2014

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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Example 12.6 A square foundation is shown in Figure 12.9. Assume that the load eccentricity e 0.5 ft. Determine the ultimate load, Qut Sand y = 115 lb/ft d' = 30° 5ft X5ft c' 0 Figure 12.9
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A square footing 3 m x 3 m is supporting an axial load of 650 kN. The weight of the soil is aasumed to be 17.32 kN/m^3. Compute the vertical stress increment due to this load at a depth of 1.5 m below the center of the footing using the approximate method. a. 51.46 kPa b. 32.10 kPa c. 76.54 kPa d. 50.56 kPa
Subject: Geotechnical engineering Answer must be 4.95mm
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15 The soil arrangement shown carries 1.88-meter square footing with a column load of 596 kN. Properties of sand: Above water table = 17.04 kN/m3, Below water table = 18.19 kN/m3. Properties of clay: 17.10 kN/m3, Cc = 0.383, void ratio = 0.65. Use H1 = 6 m., H2 = 7 m., H3 = 5 m., Df = 1 m. Determine the settlement of the normally consolidated clay in mm. Round off to three decimal places.
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