优化铁路支挡工程完善绿色通道设计的研究

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Abstract Research purposes: It is inevitable that the mountain railway has a large number of cutting high slope． The cantilever － type retaining structure is used for reinforcement in order to ensure the stability of the slope during the excavation． Using the cantilever － type anti － slide pile retaining structure will inevitably result in increase of the retaining works and impacting the visual green landscape． In order to optimize the the retaining engineering，the concept of green railway corridor should be set up and improved． The comparison is made between using the cantilever － type retaining structure for pre － reinforcement and the slope platform submerged retaining works in all aspects to get the suitable retaining mode for reinforcing high slope in the fragile area for good landscape．

Research conclusions: From the comparison and analysis of the cantilever － type retaining structure and the slope platform submerged retaining works in areas of the structure design，mechanical analysis，project investment and landscape requirements，it is concluded compared with the cantilever － type retaining structure，using the slope platform submerged retaining works can save the project investment by 50% and the effect of greening the slope can be achieved．

Key words： optimal green cantilever － type submerged － type latent fracture surface

Received: 20 December 2011

PACS:

U416． 1

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http://tdgcxb.crec.cn/EN/ OR http://tdgcxb.crec.cn/EN/Y2012/V29/I5/69

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