The pumpability of ready mixed concrete is a comprehensive property. At present there is no suitable method for its evaluation. The possibility of evaluating the pumpability of ready mixed concrete by a combincd index of the slump, the slump loss and bleeding under pressure is suggested.
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任世漫.预拌混凝土泵送性能研究[J].土木与环境工程学报(中英文),1999,21(1):10-13. Ren Shiman. Research on Pumpability of Ready Mixed Concrete[J]. JOURNAL OF CIVIL AND ENVIRONMENTAL ENGINEERING,1999,21(1):10-13.10.11835/j. issn.1674-4764.1999.01.003