Technology for Concreting of Integrated Drainage Ditch and Cable Channel of Highspeed Railway Tunnels in One Operation

doi:10.3973/j.issn.1672-741X.2014.12.010

Tunnel Construction ›› 2014, Vol. 34 ›› Issue (12): 1175-1182.DOI: 10.3973/j.issn.1672-741X.2014.12.010

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Technology for Concreting of Integrated Drainage Ditch and Cable Channel of Highspeed Railway Tunnels in One Operation

YIN Zhonghui

(China Railway Tunnel Stock Co., Ltd., Zhengzhou 450003, Henan, China)

Received:2012-12-05 Revised:2014-10-26 Online:2014-12-20 Published:2014-12-17

Abstract

Abstract:

The drainage ditches and cable channels of tunnels on highspeed railways include communication cable channels, electrical power cable channels and drainage ditches. These three types of channels/ditches are integrated into one body and must be concreted in one operation.In the paper, a set of formworks for the concreting of the drainage ditch and cable channel is designed and the concreting of the drainage ditch and cable channel is described. The construction practice demonstrates that the formwork system with truss structure and moving system can meet the requirements of the concreting of the integrated drainage ditch and cable channel in one operation. 

Key words: highspeed railway, tunnel, integrated drainage ditch and cable channel, concreting in one operation, formwork

CLC Number:

U 455

YIN Zhonghui. Technology for Concreting of Integrated Drainage Ditch and Cable Channel of Highspeed Railway Tunnels in One Operation[J]. Tunnel Construction, 2014, 34(12): 1175-1182.

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Technology for Concreting of Integrated Drainage Ditch and Cable Channel of Highspeed Railway Tunnels in One Operation

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