Concrete Degradation

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Here's a Repair Job You Might Not Want No Matter How Much It Pays

Remember when a cult released the deadly nerve agent sarin into Tokyo's subway system? How do you get something nasty like that out of the concrete walls and floor? More

Internal Curing, ASR, Education
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Internal Curing, ASR, Education

Questions and asnswers form the WOC Breakfast with the Experts include internal... More

Decorative Concrete Overlays
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Decorative Concrete Overlays

There's almost nothing, except crack repair, an overlay can't do to rejuvenate... More

Why Does Steel in Concrete Corrode
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Why Does Steel in Concrete Corrode

Chloride and carbonation can break down the passivating layer on reinforcing steel... More

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Concrete Repair Code

The U.S. Army Corps of Engineers reports that the performance of 50% of the concrete repairs on its structures is unsatisfactory and that after only 10 years 70% were failing. That sort of performance gives building owners and the public little confidence. More

Externally Bonded Reinforcement for Strengthening Concrete and Masonry Structures
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Externally Bonded Reinforcement for Strengthening Concrete and Masonry Structures

Fabric-reinforced cementitious matrix (FRCM) systems are emerging as an expanding... More

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Mechanical Behavior and Failure Mechanisms

One difference between fiber-reinforced polymer (FRP) and fabric-reinforced cementitious matrix (FRCM) systems is the mechanical behavior in tension of the composite. FRP systems are linear elastic until failure, and their ultimate tensile strain is limited by the ultimate strain of the fibers. More

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Offenberg Wins ASTM Award

Pervious concrete promoter, Matthew Offenberg, southeast regional manager at W.R. Grace & Co., Canton, Georgia, is a recipient of the 2014 ASTM International President’s Leadership Award for his vision related to pervious. More

Caltrans Tests Corrosion-Resistant Rebar
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Caltrans Tests Corrosion-Resistant Rebar

The California Department of Transportation has instituted a pilot program... More

Stopping Corrosion
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Stopping Corrosion

This new admixture promises to double the time until corrosion starts. More

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