The Reinforcement Technology of Railway' s Soft Soil Foundation in Dian Lake Area

XUE Yuan; CUI Wei-xiu; FENG Zhi-jun; CHEN Jian-wu

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Journal of Railway Engineering Society ›› 2015, Vol. 32 ›› Issue (8) : 35-40.

The Reinforcement Technology of Railway' s Soft Soil Foundation in Dian Lake Area

XUE Yuan，CUI Wei-xiu，FENG Zhi-jun, CHEN Jian-wu

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Abstract

Research purposes:The soft soil in the Dian Lake area is a wide range of development，with great depth and complex components，especially mucky soil and peat soil with high water content，high void ratio，high content of humus，so they will be the control factors of foundation treatment. In recent years，a large number of railway projects are constructed in the Dian Lake area，the economy and rationality of the soft foundation reinforcement is the main purpose of this research.

Research conclusions:(1)In Dian Lake area，the soft soil foundation is based on soft clay，and using the cement soil plle 1S feaSlble.(2)Silty soil foundation mainly should strengthen the process control，the sections where the pile length is longer and engineering quality requirements is higher can use multi mixing cement mortar pile.(3)In soft soil foundation of peat soil，the pile tests must be carried out，especially in the high water content，high content of humus area according to the experiment the design can be strengthened，and using CFG pile，prestressed concrete pipe pile reinforcement measures treatment is more prudent. (4)To the pipe pile reinforcement，the lateral stability is analyzed，so as to avoid the rigid pile structure under lateral pressure and tilt.(5)In deep soft soil area，the settlement is very high， or the construction site is limited. It is necessary to take the measures of the pile-slab structure.(6)The research results are widely used in soft soil foundation treatment in mountainous areas.

Key words

Dian Lake / soft soil / peat soil / reinforcement treatment

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XUE Yuan, CUI Wei-xiu, FENG Zhi-jun, et al. The Reinforcement Technology of Railway' s Soft Soil Foundation in Dian Lake Area[J]. Journal of Railway Engineering Society, 2015, 32(8): 35-40

References

[1]蒋中信，袁宝印，黄俊，等.滇池泥炭土[M].成都:西南交通大学出版社，1992

Jiang Zhongxin,Yuan Baoyin,Huang Jun,etc. Peat Soil of The Dian Lake[M].Chengdu:Southwest Jiaotong University Press ,1992.

[2]黄俊.南昆线七甸泥炭土的研究新技术及方法[J].路基工程,1999(6);13-18

Huang Jun. New Techniques and Methods in Research of Peat in Nankun Line [J]-Subgrade Engineering, 1999(6);13-18.

[3]TB 10106-2010，铁路工程地基处理技术规程[S]

TB 10106-2010 , Technical Code for Ground Treatment of Railway Engineering[S].

[4]孙晓娟.滇池泥炭土工程地质特性试验研究[D].昆明: 昆明理工大学，2006

Sun Xiaojuan. Research of Engineering Geological Characteristics of Peat[D].Kunming:Kunming University of Science and Technology,2006.

[5]刘升传，曹渊，杨志文.动荷载下软土路基变形规律研究 [J].铁道工程学报，2011(5):22-26

Liu Shengchuan, Cao Yuan, Yang Zhiwen. Study on the Deformation Law of Soft Soil Subgrade under Dynamic Load[J].Journal of Railway Engineering Society, 2011(5) ;22-26.

[6]周成深.厚软土地基沉降特性有限元分析[J].高速铁路技术，2011(4):11-is

Zhou Cheng. Finite Element Analysis on Characteristics of Deep-Thick Soft Subsoil Settlement[ J].High Speed Railway Technology , 2011( 4 ) ;11-15.

[7]杨英滇.西北地区断陷盆地软土特征及选线原则[J]. 铁道工程学报，2013(8);31-35

Yang Ying. Characteristics of Soft Soil in Fault Basin in Northwest Region of Yunnan Province and the Principle of Railway Alignment in This Area[J].Journal of Railway Engineering Society , 2013 ( 8 ) ; 31-35.

[8]张泰安，王军琪.CFG单桩及单桩复合地基承载力试验研究[J].铁道工程学报，2009(7);20-24

Zhang Taian, Wang Junqi. Experimental Research on the Bearing Capacity of Single CFG Pile and Single Pile Composite Foundation[J].Journal of Railway Engineering Society , 2009 ( 7 ) ; 20-24.