AL Sitework Practice Questions - Alabama Sitework Contractor Examination Exam

Why is free-draining backfill commonly used behind retaining walls?

To trap water and maximize hydrostatic pressure To allow water to drain to weeps or drains, reducing lateral water pressure on the wall To grow trees inside the wall stem To eliminate the wall footing

Correct Answer:

To allow water to drain to weeps or drains, reducing lateral water pressure on the wall

Access more questions from this quiz

Continue to AL Sitework Practice Questions - Alabama Sitework Contractor Examination Exam for more practice questions and the full quiz experience.

Access More Questions