Random Cracking of Concrete Slabs

Beware the season of cracked slabs is upon us. For those pouring externally you are at risk during the coming months. Windy conditions with low humidity and considerable temperature changes overnight bring with it the risk of cracking prior to crack control measures being effective. In fact most cracking is not due to loading or design issues it is due to detailing of restraint or to these early environmental effects on the construction. Too often concrete contractors have not put the relevant protections in place and rely on the old excuse of “all concrete cracks”. Without question concrete shrinks but it needn’t randomly crack. To find out more read the article: Random-Cracking in Spring

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