双排桩支护在某综合交通枢纽工程应用探讨

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Abstract Research purposes:The article aims to combine the Hub Project，for the special geological conditions of the project in which the city landfill area and project their own characteristics，to explore how to use the double pile retaining structure in the typical project．

Research conclusions:The relative parameters for design of the double － row pile was obtained by conducting the construction practice． Compared with the single － row pile，the structure of the double － row pile could effectively control the side － directional deformation of the foundation pit and reduce the bending moment of the pile to make the pile＇s bending moment more reasonable． The research on the computational model on consideration of the interaction between the pile and soil showed the horizontal shift of the soil in the influencing range gradually increased with increase of the excavation depth，but the influence of the excavation of the foundation pit on the horizontal shift of the soil gradually reduced with increase of the excavation depth．

Key words： double row pile single row pile landfill deep foundation pit engineering

Received: 21 April 2012

PACS:

TU 473

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	ZHANG Ke － yi
	YU Ji － tao

Cite this article:

ZHANG Ke － yi,YU Ji － tao. Application of Support Structure of Double Row Pile in Construction of Comprehensive Traffic Hub[J]. 铁道工程学报, 2012, 29(10): 95-100.

URL:

http://tdgcxb.crec.cn/EN/ OR http://tdgcxb.crec.cn/EN/Y2012/V29/I10/95

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