钻孔桩水下混凝土掺用粉煤灰的可行性研究

Discussion on Feasibility of Using Fly-Ash in Tremie Concrete ofast-in-place Pile

根据粉煤灰的作用机理 ,结合试验分析和工程实践 ,论证了钻孔桩水下混凝土中掺用粉煤灰的可行性。提出了使用粉煤灰掺合料应注意的几个问题。

This paper based on the effective character of fly-ach,associating the experiment analysisAnd engineering practice,proves the possibility of using fly-ash in tremie concrete of the cast-in-place pile .Some issues that should be considered in the use of fly-ash have also been proposed.