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《Railway Engineering》 2018-09
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Design and Application of Slurry and Its Circulation System During Construction of Large Diameter Pile Foundation in Deep Water

WEI Jinming;Mengxi-Huazhong Railway Co.Ltd.;  
There are many risk points of construction quality for large diameter pile foundation in deep water.The defects such as hole collapse,broken pile and excessive sediment are unacceptable major construction quality defects.Using high quality slurry to form holes is the key factor to control these defects.During the construction of large diameter pile foundation in deep water for the main pier of Hanjiang River super long bridge on the new railway from west inner monglia to central China,the high quality PHP slurry was designed and compounded,and reasonable slurry circulation system was determined according to geological,hydrological and on-site construction conditions.So the hole forming effect is well,and the construction quality of pile foundation is ensured.The practice experiences were summarized in the paper.It could provide reference for similar engineering construction.
【CateGory Index】: U445.551
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