Liquefaction Potential of Clayey Soils from Wenchuan Earthquake-Induced Landslides

Abstract:

It is commonly considered that liquefaction of sandy soils is the important reason for earthquake-induced landslides,but it has been reported liquefaction phenomenon can also occur in clayey soils in the recent research. In order to clarify liquefaction potential in clayey soils ,a deeper study was conducted on the basis of field investigation and a series of laboratory tests including undrained cyclic ring-shear tests on the clayey soil samples collected from the sliding zone of the Wenchuan earthquake-induced landslides. Results show that the liquefaction potential of clayey soils is lower than that of sandy soils given the same void ratio; the soil resistance to liquefaction rises with an increase in plasticity for clayey soils; It is useful to estimate the liquefaction potential of soil by means of plasticity index and the liquefaction potential of soil in practical engineering applications.

• Periodical: Advanced Materials Research (Volumes 639-640)
• Pages: 850-853
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.639-640.850
• Online since: January 2013
• Authors: Chuan Sheng Chen, Hong Bin Xiao
• Keywords: Clay Content, Liquefaction Susceptibility, Plasticity Index, Wenchuan Earthquake

References

[1] Casagrande, A.,Characteristics of Cohesionless Soils Affecting the Stability of Slopes and Earth Fills, Journal of Boston Society of Civil Engineers.125(1936)25-35.

[2] Shannon and Wilson, Inc., and Agbabian and Associates, Soil Behavior under EarthquakeLoading Conditions, U.S. Atomic Energy Commission Report, Contract No. W-7405-eng-26(1972).

DOI: 10.2172/4668440

[3] Castro, G., Liquefaction and Cyclic Mobility of Saturated Sands,Journal of the Geotechnical Engineering Division, American Society of Civil Engineers, 101(1975)551-569.

DOI: 10.1061/ajgeb6.0000173

[4] Hynes, M.E. Pore Pressure Generation Characteristics of Gravels under Undrained Cyclic Loading, Ph.D. Thesis, University of California, Berkeley, CA(1988).

[5] Koester, J.P., Cyclic Strength and Pore Pressure Generation Characteristics of Fine-Grained Soils, thesis submitted in partial fulfillment of the requirements for Doctor of Philosophy,College of Engineering, University of Colorado, Boulder, CO(1992).

[6] Miura, S., Kawamura, S., and Yagi, K, Liquefaction damage of sandy and volcanic grounds in the 1993 Hokkaido Nansei-Oki earthquake, Proc. 3rd Int. Conf. on Recent Advances in Geotechnical Earthq. Engg. and Soil Dynamics, St. Louis, MO, 1, 193-196(1995).

[7] Huang, R., Li, W, Analysis of the geo-hazards triggered by the 12 May 2008 Wenchuan Earthquake, China. Bulletin of Engineering Geology and the Environment. 68(2009)363-371.

DOI: 10.1007/s10064-009-0207-0

[8] Cui, P., Zhu, Y.Y., Han, Y.S., Chen, X.Q., Zhuang, J.Q, The 12 May Wenchuan earthquake-induced landslide lakes: distribution and preliminary risk evaluation.Landslides .6(2009)209-223.

DOI: 10.1007/s10346-009-0160-9

[9] Dai, F.C., Xu, C., Yao, X., Xu, L., Tu, X.B., Gong, Q.M, Spatial distribution of landslides triggered by the 2008 Ms 8.0 Wenchuan earthquake, China. Journal ofAsian Earth Sciences. 40(2011)883-895.

DOI: 10.1016/j.jseaes.2010.04.010

[10] Sassa, K., Fukuoka, H., Wang, F., and Wang, G, Dynamic properties of earthquake-induced large-scale rapid landslides within past landslide masses, Landslides, 2(2005)125-128.

DOI: 10.1007/s10346-005-0055-3