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WebAug 3, 2024 · Accelerating increases the rate of early strength development and shortens the curing time. Admixtures can lower water content in concrete by 12-30%, resulting in a highly fluid but usable form known as flowing concrete. Admixtures form small air bubbles uniformly throughout the concrete mix to improve cohesiveness and freeze-thaw … Web2/7/2024 35 Air-Entraining Admixtures • Process discovered accidentally in the late 1930’s when it was observed that concrete pavements in New York State made with certain cements were more durable than others (cements were ground with beef fat as a grinding aid and fish oil which apparently acted as air-entraining agents). • Air entrainment is now … can guinea pigs eat porridge oats
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