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通过笔者参建的某高速公路现浇箱梁工程实例,论述了泵送高性能混凝土配合比的应用研究和实施效果。泵送粉煤灰高性能混凝土在箱梁结构中的应用,省内还是首次。本文在泵送高性能混凝土的配合比设计方面作了新的探索,并在施工管理和质量检验方面积累了一定的经验。
Through an example of cast-in-place box girder construction by a highway, this paper discusses the application research and implementation effect of high performance concrete pumping ratio. Pumping fly ash high-performance concrete box girder structure in the province for the first time. This paper made a new exploration on the mix design of pumping high performance concrete and gained some experience in construction management and quality inspection.