LARE Section 3 Practice Questions - LARE Section 3 Construction Documentation And Administration Exam

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A construction detail of a concrete sidewalk shows a tooled groove cut to roughly one-quarter of the slab depth at regular intervals. The primary purpose of this groove is to:

Allow the slab to expand against adjacent structures Create a weakened plane so cracking occurs in a controlled location Provide a slip-resistant walking surface Anchor the slab to the subgrade

Correct Answer:

Create a weakened plane so cracking occurs in a controlled location

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