Numerical Analysis on Railway Subgrade Settlement Induced by Shield Tunneling

doi:10.3973/j.issn.1672-741X.2015.02.005

Tunnel Construction ›› 2015, Vol. 35 ›› Issue (2): 128-133.DOI: 10.3973/j.issn.1672-741X.2015.02.005

Previous Articles Next Articles

Numerical Analysis on Railway Subgrade Settlement Induced by Shield Tunneling

HUANG Wenjun¹, ZHENG Mingxin¹, OU Yanglin^1，2, ZOU Wenliang³, CHEN Yangqiang⁴

(1. Institute of Bridge & Road and Geotechnical Engineering, East China Jiaotong University, Nanchang 330013, Jiangxi, China; 2. China Southwest Geotechnical Investigation & Design Institute Co., Ltd.,Chengdu 610081, Sichuan, China; 3. Fujian Local Railway Co., Ltd. of Nanchang Railway Bureau,Fuzhou 350013, Fujian, China; 4. CCECC Fuzhou Survey and Design Institute Co., Ltd., Fuzhou 350013, Fujian, China)

Received:2014-09-22 Revised:2014-11-30 Online:2015-02-20 Published:2015-02-11

Abstract

Abstract:

The construction of No. 1 Line of Fuzhou Rail Transit crossing underneath Fuzhou Railway Station is simulated by means of MIDAS/GTS finite element software, and the rules of the shield tunneling parameters on the settlement of the existing railway subgrade are studied. The analysis shows that the settlement of the railway subgrade can be brought under effective control by prereinforcing the railway subgrade, by choosing rational excavation chamber pressure (1.2~1.5 times soil pressure) and rational grouting pressure (1.1~1.2 times soil weight stress), and by using proper shield tail grouting rate.

Key words: shield tunnel, railway subgrade settlement, numerical analysis, pressure in excavation chamber, rate of grouting at shield tail, pressure of grouting at shield tail

CLC Number:

U 459.1

HUANG Wenjun, ZHENG Mingxin, OU Yanglin, ZOU Wenliang, CHEN Yangqiang. Numerical Analysis on Railway Subgrade Settlement Induced by Shield Tunneling[J]. Tunnel Construction, 2015, 35(2): 128-133.

[1]	LI Shenkui. Numerical Analysis and Model Test of Hourglassshaped Karst Collapse in Wuhan Area [J]. Tunnel Construction, 2020, 40(7): 981-987.
[2]	ZHANG Li, SU Rui, HE Chuan, FENG Kun, FANG Ruoquan, XU Peikai. Fullscale Experimental Study on Bending Performance of Segmental Joints of Large Crosssection Shield Tunnel under Pure Compressive Bending Condition [J]. Tunnel Construction, 2020, 40(7): 997-1003.
[3]	HAN Yun. Study on Treatment Technology of Water Gushing and Mud Bursting Caused by Segment Drilling of Underwater Shield Tunnel [J]. Tunnel Construction, 2020, 40(7): 1049-1056.
[4]	ZHANG Yazhou. Numerical Simulation on Waterproof Capacity of Shield Tunnel Joints Considering Working State of Sealing Gasket Surface [J]. Tunnel Construction, 2020, 40(6): 813-820.
[5]	宋超业, 贺维国, 吴钇君. 高水压过海盾构隧道建设关键技术可行性初探 [J]. Tunnel Construction, 2020, 40(5): 717-726.
[6]	JIN Yuelang, DING Wenqi, XIAO Mingqing, SUN Wenhao, WU Weifeng, YE Meixi, TU Xinbin. Experimental Research on Sealing Behavior of Segmental Joints of Sutong GIL Utility Tunnel under Ultra-high Water Pressure [J]. Tunnel Construction, 2020, 40(4): 538-544.
[7]	DU Chuangdong, ZHANG Jie, WU Yuebin. Application of Construction Technology of "Tunneling First and Then Station" in Tel Aviv Red Line Project in Israel [J]. Tunnel Construction, 2020, 40(4): 562-568.
[8]	ZHANG Wenjun, DING Chao, ZHANG Chengping, JIANG Kun. Influence of Different Dislocation Amount on Composite Sealing Gasket and Long-term Waterproofing Performance Prediction [J]. Tunnel Construction, 2020, 40(3): 337-345.
[9]	QIN Jiajia. Study on Parameters Control of Shield Tunneling in Composite Strata in Hefei Area [J]. Tunnel Construction, 2020, 40(3): 435-443.
[10]	王百泉, 彭涛, 尚伟, 谢韬. 盾构管片钢筋笼平面网片自动成型模块设计与应用 [J]. Tunnel Construction, 2020, 40(3): 444-451.
[11]	SUN Zhenchuan, LI Fengyuan, CHU Changhai. Analysis Method of Correlation between Shield Tunneling and Geology Based on Big Data [J]. Tunnel Construction, 2020, 40(2): 162-169.
[12]	闫军涛，胡潇，刘波. Stability of Shield Tunnel Excavation Face in Upper soft and Lowerhard Composite Strata [J]. Tunnel Construction, 2020, 40(2): 223-230.
[13]	ZHANG Wenjun, DING Chao, ZHANG Gaole, WANG Yi, SHANGGUAN Dandan, JIANG Kun. Type Selection and Design of Composite Sealing Gasket for Segment Joints of Shield Tunnel [J]. Tunnel Construction, 2020, 40(2): 246-255.
[14]	SUN Jun, WEN Haiyang. Application of Artificial Intelligence Science to Construction Deformation Prediction and Control of Underground Engineering in Soft Soil: Cases Study on Theoretical Foundation, Method Application and Fine Intelligent Technical Management [J]. Tunnel Construction, 2020, 40(1): 1-8.
[15]	ZHU Yaohong, GAO Yimin, DONG Zibo, LIU Xian. Fullscale Experimental Study on Structural Mechanism of TconnectedTunnel Constructed by Shield Method [J]. Tunnel Construction, 2020, 40(1): 9-18.

Numerical Analysis on Railway Subgrade Settlement Induced by Shield Tunneling

PDF

Knowledge

Abstract

Cite this article

share this article

References

Related Articles 15

Recommended Articles

Metrics

Comments