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通过添加高效减水剂及细磨矿渣与Ⅰ级粉煤灰复合矿物掺合料，在总胶凝材料用量615kg／m3、用水量160kg／m3的条件下，配制出C70泵送管吐能混凝土。经大量实验室试配及。程应用证明，该配合比配出的混凝土在工作性能、力学性能和耐久性能方面均可达到设计要求。
By adding superplasticizer and fine grinding slag with Class I fly ash compound mineral admixture, the C70 pump pipe spit energy concrete was prepared under the condition of a total amount of cement material of 615 kg/m3 and a water consumption of 160 kg/m3. . After a large number of laboratory tests and. The application of the process proves that the concrete formulated with this mix ratio can meet the design requirements in terms of work performance, mechanical properties and durability.