What is the effect of having too much silica in brick-making soil?

Building Materials and Construction MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Building Materials and Constructioncivil-engineering-mcqs › building-materials-and-construction
Published
9 Jan 2019
Last updated
28 May 2026

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Explanation

An excessive amount of silica in the brick earth causes a reduction in cohesion, meaning the particles do not stick together well, which negatively affects the brick's structural integrity.

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