运营高铁软基沉降加固及质量检测技术

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Abstract Research purposes:In recent years，high-speed railway construction has developed rapidly，which has strict control standard for sedimentation of roadbed. The roadbed of high-speed railways take places most easily on settlement because it is extremely sensitive to pumping of ground-waters，landfill of spoil，excavation of deep pit, changes in the environment and so on. Given that the short history of domestic rapid railway and a shortage of treatment experiences of roadbed subsidence，it is necessary to carry out research work on reinforcement and quality testing for subgrade settlement of high-speed railway，which could provide expert and consultants service for the same roadbed problems.

Research conclusions:Through researching Nn speed railway in the East China，pile，sleeve valve pipe，drilling we can draw the features of subgrade settlement technology of a part of some high- the following conclusions:(1)This technology which contains jet grouting practical reinforcement method for similar soft subgrade settlement problems. (2)The methods of core-drilling，surface save testing，settlement monitoring can effect of soft subgrade settlement of high-speed railway.(3)The research results effectively test the reinforcement provide references for the regula- tion design and construction of the similar engineering.

Key words： high-speed railway soft subgrade settlement reinforcement quality testing

Received: 18 June 2015

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Cite this article:

LOU Shao-jun. Reaserch on the Reinforcement and Quality Testing Complete Technology for Soft Subgrade Settlement of High-speed Railway[J]. 铁道工程学报, 2015, 32(8): 41-44.

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https://tdgcxb.crec.cn/EN/ OR https://tdgcxb.crec.cn/EN/Y2015/V32/I8/41

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