* 3 m 6 m A 15 m X 20 m mat foundation shown in Figure P10.7 car- ries a building load of 36 MN and is placed at 3.0 m depth below the ground level. 5 m For the clay layer, the consolidation tests show that the preconsolidation pressure at the middle of the clay layer is 210 kN/m². a. Find the net applied pressure on the underlying ground. b. Is the clay overconsolidated? c. What would be the consolidation settlement beneath the center of the mat? Q Sand Clay y = 16.5 kN/m³ Ysat = 19.0 kN/m³ % = 0.82 Ce = 0.35 and C, = 0.06

* 3 m 6 m A 15 m X 20 m mat foundation shown in Figure P10.7 car- ries a building load of 36 MN and is placed at 3.0 m depth below the ground level. 5 m For the clay layer, the consolidation tests show that the preconsolidation pressure at the middle of the clay layer is 210 kN/m². a. Find the net applied pressure on the underlying ground. b. Is the clay overconsolidated? c. What would be the consolidation settlement beneath the center of the mat? Q Sand Clay y = 16.5 kN/m³ Ysat = 19.0 kN/m³ % = 0.82 Ce = 0.35 and C, = 0.06

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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Concept explainers

Calculation of Settlement

The vertical displacement of the structural foundation due to the loading from the superstructure is known as settlement. It is due to the reduction of air voids present in the soil. The amount of vertical displacement depends on the bearing capacity of the soil on which the foundation is laid. The effect of the settlement depends on the magnitude of settlement, uniformity, and the structural design of the structure. The maximum allowable settlement for residential and office buildings should be less than 18 mm, for industrial buildings, it is 38 mm and for commercial buildings, it is 25 mm.

Question

*
3 m
b. Is the clay overconsolidated?
c. What would be the consolidation settlement beneath the
center of the mat?
6m
A 15 m X 20 m mat foundation shown in Figure P10.7 car-
ries a building load of 36 MN and is placed at 3.0 m depth
below the ground level.
5 m
For the clay layer, the consolidation tests show that the
preconsolidation pressure at the middle of the clay layer is
210 kN/m².
a. Find the net applied pressure on the underlying ground.
Q
Sand
Clay
y = 16.5 kN/m³
Ysat 19.0 kN/m³
e = 0.82
Ce=0.35 and C, = 0.06
=

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