客运专线灌注桩高性能混凝土施工中常见的问题及解决措施  

Common Problems and the Solving Measures in Concreting Poured Piles with HPC for Passengen Dedicated Railway

作　　者：孙树[1] 缪昌文[1] 刘加平[1] 沙建芳[1] 

机构地区：[1]江苏省建筑科学研究院,南京210008

出　　处：《混凝土与水泥制品》2007年第4期14-17,共4页China Concrete and Cement Products

摘　　要：根据客运专线所处的施工环境及原材料的实际现状,结合高耐久性混凝土配合比设计和聚羧酸系外加剂的使用特点,对高速铁路客运专线灌注桩高性能混凝土施工中一些常见问题进行了分析并提出了解决的措施。Based on the constructional environment and the present condition of raw materials for the engineering projects of passenger dedicated railway, and combining with the consideration on the special feature of proportion desoign of durabal HPC and the application of polycabonate admixture, some common problems about concreting the poured piles with HPC are discussed and the proposals and measures for solving them are put forward.

关 键 词：客运专线 灌注桩 高性能混凝土 施工 聚羧酸系外加剂 

分 类 号：TU528[建筑科学—建筑技术科学]