预应力混凝土管桩的设计及施工研究

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Abstract Research purposes:Through a engineering example of inter － city none － ballast track super railway embankment foundation reinforced，this paper introduces the calculated method of PHC composite foundation bearing capacity and settlement，the common problem and precautionary measures in the construction steps and the process etc．And this paper also resolves the key technique of inter － city none － ballast track super railway embankment foundation settlement．

Research conclusions:The PHC body quality stability，penetration capacity，single pile bearing capacity and strength are high，price is lower，construction speed is fast，and pile’s body is convenient detected，which increase the engineering quality and economic benefit． So that supplies a kind of safe and stable foundation reinforced means in the inter － city none － ballast track super railway embankment foundation settlement key technique．

Key words： Inter － city railway none － ballast track PHC composite foundation bearing capacity composite foundation settlement construction steps

Received: 12 April 2011

PACS:

U213.1 +57

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	WANG Li － yun
	WANG Jun － tao

Cite this article:

WANG Li － yun,WANG Jun － tao. Research on the Design and Construction of PHC[J]. 铁道工程学报, 2011, 28(6): 6-9.

URL:

http://tdgcxb.crec.cn/EN/ OR http://tdgcxb.crec.cn/EN/Y2011/V28/I6/6

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