Abstract
Self-compacting concrete (SCC) has the environmentally friendly effect. The SCC can be prepared by using the technical approaches of “Double adding” (adding mineral admixtures and chemical admixtures and) low W/B (the ratio of water to composite binder). According to the requirements of design and construction, SCC of C30～C60 can be produced by selecting materials used and adjusting the amount and composition of composite binder, the dosage and composition of high performance chemical admixture as well as W/B, based on the reasonable component of SCC with volume. It had been applied successfully in some construction works in several, such as concrete filled steel pipe column and strengthening of concrete structure.
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