Welcome to Pavement Interactive

The online community for all things pavement

The Pavement Interactive functions both as a collaboration space and a ready reference.

Member Login
Lost your password?
Pavement Management
Pavement_Management_250

Corner Break

Description

A crack that intersects the PCC slab joints near the corner. “Near the corner” is typically defined as within about 2 m (6 ft) or so. A corner break extends through the entire slab and is caused by high corner stresses.

Figure 1: Corner break in Seattle, WA on a local road.

Figure 2: Corner break on a high volume road.

Problem

Roughness, moisture infiltration, severe corner breaks will fault, spall and disintegrate

Possible Causes

Severe corner stresses caused by load repetitions combined with a loss of support, poor load transfer across the joint, curling stresses and warping stresses.

Repair

Full-depth patch

 

 

 

close citation

Thanks for sharing Corner Break.