How does an increase in the groundwater level beneath a foundation primarily affect the soil's bearing capacity?

Soil Mechanics and Foundation Engineering MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

Soil Mechanics and Foundation Engineering

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Subject
Soil Mechanics and Foundation Engineeringcivil-engineering-mcqs › soil-mechanics-and-foundation-engineering
Published
12 Jan 2019
Last updated
28 May 2026

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Explanation

When the water table rises, it mainly reduces the soil's cohesion and its effective unit weight, which in turn decreases the bearing capacity. The presence of water reduces the effective stress in soil, leading to a drop in these parameters.

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