Plastic shrinkage cracks makes a concrete surface vulnerable to the future intrusion of water and chlorides and leaves the surface with an overall unpleasant appearance.

Years later, he developed the Plastic Crack Risk Calculator, which pings the National Oceanic and Atmospheric Association for weather predictions for any U.S. ZIP code.

Air temperature, humidity, wind velocity and concrete temperature are the four conditions that best indicate if plastic-shrinkage cracks will develop.

Polyester macro and microfibres are mixed with concrete to ensure structural integrity, toughness, and to protect against plastic shrinkage cracks. Glass Fibres.

Plastic cracking occurs when concrete is stiffening but not fully set, or ductile. These cracks generally follow discontinuous, curved paths through the concrete matrix and have irregular fracture ...

Cracks that occur after hardening usually are the result of drying shrinkage, thermal contraction, or subgrade settlement. While drying, hardened concrete will shrink about 1/16 inch in every 10 ...

DWR: Hairline cracks in Oroville spillway normal in massive concrete projects DWR, contractor Kiewit say spillway's integrity is not compromised ... Updated: 3:35 AM UTC Dec 1, 2017 Editorial ...

The problems with the cracks at Allen ISD's $60-million stadium can be traced back to when the stadium was built two years ago, according to a preliminary report obtain about CBS 11.

RMIT reported that Australia spends about AU$8 billion (over $5 billion) annually to repair early-age shrinkage cracks in concrete buildings, while the United States spends a whopping $76 billion.