摘   要：对泵送玻化微珠保温混凝土的坍落度损失问题及解决方案进行了分析，通过在减水剂中掺入不同量引气剂和缓凝剂进行了玻化微珠保温混凝土坍落度损失试验，并确定了最优掺量。试验结果表明，引气剂最佳掺量为2‰，缓凝剂为2%。该掺量下坍落度为255mm；1h坍落度损失为15mm；28d抗压强度为35.9MPa。解决了玻化微珠保温混凝土泵送过程中的坍落度损失问题和凝结时间问题。

Abstract: In order to apply the glazed hollow bead insulation concrete to the engineering better, its slump loss problem and the related solution are studied. The slump test of the concrete is carried out by mixing the air-entraining agent and retarder in the water reducer, and the optimal dosages of addition agents are determined. The result indicates that the optimal dosages of the air-entraining agent and retarder are respectively 2‰ and 2%. Using the optimal mix proportion, the slump of the concrete can reach 255mm, and its slump loss is 15mm after 1h, the 28d compressive strength of the concrete is 35.9MPa, which solves the problems of the slump loss and the setting time during the pumping construction process.