客运专线预制箱梁高性能混凝土施工技术方案解析

总结影响客运专线预制箱梁高性能混凝土质量的各种因素，并以我国在建客运专线后张法预应力混凝土箱梁预制施工为例，从混凝土原材料选择、混凝土优化配置、混凝土施工、箱梁施工过程控制与检验等几方面，对保证箱梁高性能混凝土施工质量的技术方案和措施进行阐述，为高速铁路及客运专线桥梁设计和施工提供经验。

Analysis of high performance concrete construction technical scheme of precast box girders on passenger dedicated lines

This article sums up the various factors affecting the quality of high performance concrete of precast box girders on passenger dedicated lines. Taking for example the posttensioned prestressing concrete box girder precast construction, it expounds, from the aspects of selection of raw materials of concrete, optimized allocation of concrete, concrete construction, and process control ＆ inspection of box girder construction, the technical schemes and measures to ensure the construction quality of the high performance concrete of box girders.