AG Mechanics CDE Practice Exam 2025 – Comprehensive Test Prep Resource

Question: 1 / 400

Which of the following would not increase the tensile strength of concrete?

adding fibers

Adding fibers would not increase the tensile strength of concrete because fibers only help to control cracking and improve impact and fatigue resistance, but they do not improve the actual strength of the concrete. Gravel, reinforcing mesh, and steel rebar all work together to provide added strength and support to the concrete, increasing its tensile strength.

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gravel

reinforcing mesh

steel rebar

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