A mat foundation is shown in Figure P8.6. The design considerations are L = 12 m, B = 10 m, Df = 2.2 m, Q = 30 MN, x1 = 2 m, x2 = 2 m, x3 = 5.2 m, and preconsolidation pressure σ'c < 105 kN/m2. Calculate the consolidation settlement under the center of the mat. Size of mat = B × LSandy = 16.0 kN/m3GroundwatertableSandY sat18.0 kN/m3ClayYsat = 17.5 kN/m³e,= 0.88C. = 0.38C, = 0.1X3

Calculate the initial effective stress at the centre of the clay layer, σ'0 = σo - U…

Answered: Size of mat = B × L Sand y = 16.0 kN/m3…

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 mat foundation is shown in Figure P8.6. The design considerations are L = 12 m, B = 10 m, D_f = 2.2 m, Q = 30 MN, x₁ = 2 m, x₂ = 2 m, x₃ = 5.2 m, and preconsolidation pressure σ'_c < 105 kN/m². Calculate the consolidation settlement under the center of the mat.

Size of mat = B × L
Sand
y = 16.0 kN/m3
Groundwater
table
Sand
Y sat
18.0 kN/m3
Clay
Ysat = 17.5 kN/m³
e,= 0.88
C. = 0.38
C, = 0.1
X3

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