高速铁路隧道接触网预埋槽道施工控制技术

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Abstract Research purposes:The relative measures should be taken in building the precast channel for the catenary to make sure the errors of the embedding construction，incline construction and parallel construction do not exceed the limitation for meeting the requirements of the smooth transition and operational safety of the post － station four electrical interface．The study was done on the construction control technology for precast channel for catenary in tunnel to make sure all errors meet the requirement for providing the reference to the similar works．

Research conclusions:From the analysis of the construction technique and control measure for the channel for catenary in tunnel，it can be seen the construction precision and error can be controlled by using the secondary positioning technique． It means to confirm the type，gap and size of the precast channel and weld the precast channel into one unit with the fixed mould or the steel plate with scale outside of tunnel fiest． Then fix the precast channel unit on the hole position of the channel corresponding to the mould bogie for the secondary lining with special " T" type bolt，and the "T" type bolt will be removed before removing the mould．

Key words： tunnel channel precast construction Technology control technology

Received: 15 November 2011

PACS:

U238

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	ZHANG Bo － yang
	YAN Shao － fa
	REN Hao

Cite this article:

ZHANG Bo － yang,YAN Shao － fa,REN Hao. Construction Control Technology for Precast Channel for Catenary in Tunnel of High － speed Railway[J]. 铁道工程学报, 2012, 29(9): 75-79.

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http://tdgcxb.crec.cn/EN/ OR http://tdgcxb.crec.cn/EN/Y2012/V29/I9/75

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