Flexible Pavement Cracks

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Questions and Answers

What type of pavement is prone to alligator cracks?

Semi-rigid pavement
Rigid pavement
Flexible pavement (correct)
Composite pavement

What is the primary cause of alligator cracks in flexible pavement?

Poor drainage
Weak aggregate base
Insufficient thickness of the pavement
Overloading and traffic (correct)

What is the characteristic pattern of alligator cracks in flexible pavement?

Circular cracks
Linear cracks
Interconnected cracks (correct)
Radial cracks

Why are alligator cracks a concern in flexible pavement?

<p>They allow water infiltration and accelerate deterioration (B)</p> Signup and view all the answers

What is a common repair method for alligator cracks in flexible pavement?

<p>Sealing the cracks with a crack sealant (C)</p> Signup and view all the answers

Study Notes

Pavement and Cracks

Flexible pavement is prone to alligator cracks.

Causes of Alligator Cracks

The primary cause of alligator cracks in flexible pavement is fatigue in the asphalt layer due to repeated traffic loading and poor drainage.

Characteristics of Alligator Cracks

Alligator cracks in flexible pavement are characterized by a pattern of interconnected cracks that resemble the texture of alligator skin.

Concerns of Alligator Cracks

Alligator cracks are a concern in flexible pavement because they allow water to penetrate the pavement, causing further damage and potentially leading to potholes and other safety hazards.

Repair Methods for Alligator Cracks

A common repair method for alligator cracks in flexible pavement is to apply a overlay or a surface treatment to seal the cracks and prevent further damage.

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Description

Test your knowledge about alligator cracks in flexible pavement, including their causes, characteristics, and repair methods. Learn about the importance of addressing these cracks in pavement maintenance.