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10月9日,设计强度为C100的机制山砂混凝土被成功泵送至中国建筑第四工程局有限公司(简称中建四局)承建的贵阳双子塔331米泵送施工现场。此举再次刷新了高强高性能机制山砂混凝土超高泵送纪录。这在全球范围内尚属首次。该次混凝土泵送试验前,专家团队进行了上百次的实验和论证,最终实现了机制山砂高强度与泵送性能的统一。目前,业内尚没有一种可靠的技术
October 9, the design strength of the mechanism for the C100 Hill sand concrete was successfully pumped to the China Construction Fourth Engineering Bureau Co., Ltd. (referred to as the construction of four innings) construction of the Twin Towers Guiyang 331 meters pumping construction site. This again refreshed the high-strength high-performance mechanism of high sand mountain concrete pumping records. This is the first time in the world. Before the concrete pumping test, the expert team carried out hundreds of experiments and demonstration, and finally realized the unification of mechanism high strength and pumping performance of mountain sand. At present, there is no reliable technology in the industry