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《Urban Roads Bridges & Flood Control》 2007-11
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Application of Column Hammer Impact Expanding Pile Process in Reinforcing Subgrade of Road Engineering

Wu Chunyan  
The column hammer impact expanding pile process is the technology rising in more than ten years and widely being applied in the subgrade treatment of the building industry.The article introduces the working mechanism and characteristics of the column hammer impact expanding pile process to reinforce the subgrade and its design calculation method.And combined with the engi- neering practice in the application of the column hammer impact expanding pile process in reinforc- ing the subgrade of the road engineering,the article carries out the introduction.
【CateGory Index】: U416.1
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【References】
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