本文通过C80自密实混凝土配合比的设计和配合比验证,采用双掺技术配制出一次性泵送可到达200米高度的C80自密实混凝土。生产供应的C80自密实混凝土具有良好的和易性、流动性、填充性、可泵性能和力学性能,在深圳市汉京金融中心超高泵送、复杂劲性钢结构工程的施工应用效果良好,很好地解决了高强混凝土超高泵送、复杂劲性结构施工的技术难题。 In this paper, C80 self-compacting concrete mix design and mix verification, the use of double-doped technology to prepare a one-time pumping can reach 200 meters height C80 self-compacting concrete. Production and supply of C80 self-compacting concrete with good workability, fluidity, filling, pumpability and mechanical properties, in the Hanjing Financial Center in Shenzhen ultra-high pumping, the construction of complex structural steel works with good results , A good solution to the high-strength concrete pumping high-strength, complex structure of the construction of the technical problems.