LA Landscape Practice Questions - Louisiana Landscape Horticulturist License Exam

What is the correct method for installing a concrete sidewalk in Louisiana's expansive clay soils?

Pour directly on the clay surface Excavate, install a 4-inch compacted aggregate base, place 4-inch concrete with wire mesh or fiber reinforcement, and install control joints every 4-5 feet Use a 2-inch concrete thickness on clay No base preparation is needed in Louisiana

Correct Answer:

Excavate, install a 4-inch compacted aggregate base, place 4-inch concrete with wire mesh or fiber reinforcement, and install control joints every 4-5 feet

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