SreeDhanya Construction Section Incharge Interview Questions and Answers

Subgrade layer thickness is the thickness of the layer beneath the pavement.

• Subgrade layer thickness is an important factor in determining the strength and stability of the pavement.

• It is typically measured in inches or centimeters.

• The thickness of the subgrade layer can vary depending on factors such as soil type, traffic volume, and climate.

• For example, a subgrade layer thickness of 12 inches may be sufficient for a ...read more

The maximum thickness of WMM layer depends on various factors.

• The maximum thickness of WMM layer varies from 75 mm to 200 mm depending on the type of material used.

• The thickness also depends on the subgrade soil condition and traffic volume.

• For heavy traffic volume and poor subgrade soil condition, the maximum thickness can go up to 300 mm.

• The thickness is also influenced by the climate and weather conditions of the re...read more