Freyssinet Prestressed Concrete Company Civil Engineer-Highway/Roadway Interview Questions and Answers

Rigid pavement is made of concrete while flexible pavement is made of asphalt. Crust thickness is determined by traffic load and soil type.

• Rigid pavement is more durable and has a longer lifespan than flexible pavement.

• Flexible pavement is easier and cheaper to repair than rigid pavement.

• Crust thickness is determined by factors such as traffic load, soil type, and climate conditions.

• High embankment requires a wider for...read more

Approach slabs are provided for rectification of rigid pavement to ensure smooth transition and prevent damage to the pavement.

• Approach slabs are used to provide a smooth transition between the rigid pavement and the adjacent flexible pavement.

• They also help to distribute the load from the flexible pavement to the rigid pavement.

• Crust thickness details vary for each project depending on factors such as traffic volume, ...read more