For Teng Li of Teng Li & Associates, the challenge at John Wayne Airport was not only to avoid unsightly cracks and the maintenance issues they cause. He wanted to reduce the residual stresses already built up in the existing structures. After considering several options, he concluded shrinkage-compensating concrete was the best approach for addressing both the issues of cracking and stress build-up. Product used was Type K shrinkage-compensating cement.
Five international projects show how construction products play a supporting role in industries where new technology rollouts, tight timelines, and sustainable design are the new normal. Products used include Cement All, Concrete Mix, Rapid Set Cement, SET Control, and TRU Self-Leveling.
The sustainability of concrete, the most widely used material in the world, is still a difficult concept to quantify. However, the Product Category Rules (PCRs) for concrete are a step in the right direction. This article focuses on the sustainability of materials used in civil infrastructure such as highways and bridges, but the concepts explored are also frequently applicable to materials used for building repair.
Sydney International Airport invited Volumetric Concrete Australia to perform slab replacement work on the East West Runway 25.
The U.S. Army Engineer Research and Development Center conducted four years of testing to determine the best option for rapid-setting concrete for repairs to military airfields. Product used was Rapid Set Cement.