AL Runway Practice Questions - Alabama Runway Contractor Examination Exam

Filter fabric (geotextile) under a drainage aggregate trench is typically used to:

Act as the primary structural pavement layer Separate soil from drainage stone and reduce clogging of the drain Replace perforated pipe entirely Increase asphalt binder content

Correct Answer:

Separate soil from drainage stone and reduce clogging of the drain

Access more questions from this quiz

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

Access More Questions