高强泵送混凝土施工性能试验研究与分析

Experimental Study and Analysis on Construction Performance of High-strength Pumping Concrete

传统高强超高强混凝土普遍存在脆性大、黏性大、施工性能差等技术问题,难以满足现代高层超高层混凝土结构建造需求。通过试验研究,揭示了纤维、微珠、硅灰及外加剂等关键组分材料对高强泵送混凝土施工性能的影响规律,并深入分析了其内在机理,为高强混凝土高性能设计提供技术指导,推动高强泵送混凝土规模化应用进程。

The traditional high-strength and super high-strength concrete generally has many technical problems, such as high brittleness, high viscosity, poor construction performance, which is difficult to meet the construction requirements of modern high-rise and super high-rise concrete structures. Through experimental study, the influence law of key component materials such as fiber, micro bead, silica fume and admixture on the construction performance of high-strength pumping concrete is revealed, and its internal mechanism is deeply analyzed to provide technical guidance for the high-performance design of high-strength concrete and promote the large-scale application process of high-strength pumping concrete.