Formation Mechanism and Stability Analysis of Bei’an-Heihe Expressway Expansion Project K178 Landslide

Abstract:

Article Preview

Correctly analyze the formation mechanism and failure mode of the landslide and reasonably evaluate the stability of landslide, can provide scientific basis for landslide controlling. Employed the field investigation, field monitoring, indoor experiment and numerical simulation methods to carry a systematic study on the stability condition and formation mechanism of the Bei-Hei expressway expansion project K178 landslide, the results show that: the silty clay which is loose when dried, and is soft plastic when saturated glides along the surface of bedrock; the safety factor during surveying is 1.21, the landslide is temporarily in a steady state, when the water content of rupture surface soil is increased to 30.5% , the safety factor will reduce to below 1.0, the landslide will be instability; atmospheric precipitation, snowmelt water and seasonally frozen soil thawing water provide water for landslide, cracks and high permeability of main body soil provide passage for water infiltration, mudstone and sandstone with low permeability form aquifuge, silty clay above the aquifuge which is influenced by infiltration water to reach saturation forms rupture surface.

Info:

Periodical:

Advanced Materials Research (Volumes 368-373)

Edited by:

Qing Yang, Li Hua Zhu, Jing Jing He, Zeng Feng Yan and Rui Ren

Pages:

953-958

DOI:

10.4028/www.scientific.net/AMR.368-373.953

Citation:

H. Jiang and W. Shan, "Formation Mechanism and Stability Analysis of Bei’an-Heihe Expressway Expansion Project K178 Landslide", Advanced Materials Research, Vols. 368-373, pp. 953-958, 2012

Online since:

October 2011

Authors:

Export:

Price:

$35.00

[1] Fanliang Kong, Chao Chen and Guanjun Sun. Chinese Journal of Engineering Geophysics, 2008, 5 (2): 201-204. (In Chinese).

[2] Jianping Qiao. Chinese Journal of Rock Mechanics and Engineering, 2002, 21(9): 1355-1358. (In Chinese).

[3] Shuren Feng, Dingxiang Feng, Xiurun Ge et al. Chinese Journal of Geotechnical Engineering, 1999, 21(6): 657-661. (In Chinese).

[4] Wei Shan, Hongjun Liu, et al. Rock and Soil Mechanics, 2008, 29(sup. ): 335-340. (In Chinese).

[5] Lihua Liu, Dayong Zhu and Defu Liu. Rock and Soil Mechanics, 2007, 28 (8): 1661-1664. (In Chinese).

[6] Xiuwen Hu, Huiming Tang and Yourong Liu. Rock and Soil Mechanics, 2005, 26(1): 63-66. (In Chinese).

[7] Tao Yang, Depei Zhou, Huimin Ma et al. Rock and Soil Mechanics, 2010, 31(3): 971-975. (In Chinese).

In order to see related information, you need to Login.