Paper Title:
The Characteristics and Mechanism of Large Scale Landslides between Huangjinping and Detuo in Daduhe River
  Abstract

Daduhe River is in western Sichuan Basin which is across the Songpan-Ganzi geosynclinal fold system and the Yangtze para-platform. There are some complex geological backgrounds in this region, such as active new tectonic movements, frequent earthquakes and high seismic intensity. Remote sensing interpretation shows that there are lots of large-scale landslides existing between Huangjinping and Detuo in the upper reaches of Daduhe River. It has been shown by the research that the reason why large-scale landslides happened frequently in this region has a close relationship with its special fault structure, landform and strata distribution. Landslides always develop along the concave bank, free face of mountain or the thin mountain ridge and they all have close connection with fault in different degrees. Although the lithology of this section is constituted by ancient Kangding complex, yet the adverse rock mass discontinuity and free face combination lay a foundation for slope’s deformation and progressive failure. The earthquake force, however, is the key factor triggering landslides.

  Info
Periodical
Advanced Materials Research (Volumes 243-249)
Edited by
Chaohe Chen, Yong Huang and Guangfan Li
Pages
3211-3216
DOI
10.4028/www.scientific.net/AMR.243-249.3211
Citation
J. F. Wu, Y. S. Wang, Y. H. Luo, "The Characteristics and Mechanism of Large Scale Landslides between Huangjinping and Detuo in Daduhe River", Advanced Materials Research, Vols. 243-249, pp. 3211-3216, 2011
Online since
May 2011
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