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以哈大客运专线后张法预应力箱梁施工为例,总结了影响客运专线预制箱梁高性能混凝土质量的各种因素,提出了高性能混凝土施工工艺改善及质量控制措施。
Taking the post-tensioned prestressed box girder construction of Harbin-Dalian Passenger Dedicated Railway as an example, various factors affecting the quality of high performance concrete of prefabricated box girder for passenger dedicated railway line are summarized, and the improvement and quality control measures of high performance concrete construction technology are put forward.