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Types of Pavement Systems and Cross Section Components

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Types of Pavement Systems and Cross Section Components

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Questions and Answers

What is the purpose of a tack coat in a flexible pavement system?

Provides surface characteristics such as smoothness and friction

Distributes load to the base course

Provides bonding between surface and binder course layers (correct)

Resists distortion under traffic loading

In a rigid pavement system, what is the function of tie bars?

Distribute load to the base course

Resist distortion under traffic loading

Connect longitudinal joints together (correct)

Provide surface smoothness or rideability

What is the primary material used in the surface course of a flexible pavement?

Portland cement concrete

Fine asphalt mix (correct)

Coarse asphalt mix

Crushed stones and gravel

Which type of pavement system is designed with jointed plain concrete pavement (JPCP)?

Rigid Pavement Signup and view all the answers

What is the typical spacing for cracks in Continuously Reinforced Concrete Pavement (CRCP)?

3 to 8 feet Signup and view all the answers

What is the primary function of a binder course in a flexible pavement system?

Distributes load to the base course Signup and view all the answers

Which layer in a flexible pavement system provides superior quality surface characteristics like smoothness and friction?

Surface Course Signup and view all the answers

What is the main purpose of a prime coat in a flexible pavement system?

Provides bonding between binder course and base layers Signup and view all the answers

In a rigid pavement system, what is the role of dowel bars?

Connect transverse joints together Signup and view all the answers

Which type of pavement system does not always require a subbase course?

Semi-Rigid Pavement with CBT Signup and view all the answers