Engineers at Purdue University in West Lafayette, Ind. have developed slab-embedded sensors that can safely speed up a construction timeline by determining concrete strength directly onsite in real time. Their technology removes the need for extensive offsite testing by allowing contractors to verify concrete maturity onsite.
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Nano-scale research confirms cellulose products’ cement hydration capacity
Nanocrystals extracted from cellulose microfibrils—structures that give plants and trees strength and resilience—can increase concrete tensile strength up to 30 percent by creating tiny water inlets in a matrix and promoting more efficient cement hydration.
Purdue researchers validate CO2-cured concrete performance
Addressing the American Concrete Institute Fall Convention in Washington, D.C., Purdue University engineers report that carbon dioxide-cured concrete performs comparably or better than traditional portland cement product for resistance to cold weather and exposure to extreme conditions.