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Study of diseases in the soft foundation of highway in mountainous area(PDF)

《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

Issue:
2005年第01期
Page:
65-69
Research Field:
Publishing date:

Info

Title:
Study of diseases in the soft foundation of highway in mountainous area
Author(s):
LIU Xue-ling; SU Sheng-rui; ZHOU Xin-min
School of Geological Engineering and Surveying Engineering, Chang’ an University, Xi’ an 710054,China
Keywords:
soft soil in mountainous area;  soft foundation of highway in mountainous area;  disease;  treatment method
PACS:
U416.1+6
DOI:
-
Abstract:
With the development of highway construction in mountainous area, more and more diseases in the soft foundation is suffered. By researching into the Mianxian-Ningqiang highway in south Shaanxi Province, the origin and characteristics of soft soils in mountainous area is probed. It is found that most of the soft soils in mountainous area belongs to deposits of al- luvial and lake. The specialty of soft soils in mountainous area is the complexity of composition, inhomogeneous and hidden distribution and the specialty of physical and mechanical properties. The types of diseases in soft foundation in mountainous area are summarized as shear and tension fracturing, subsidence due to water permeating failure, erosion and collapse failure and pushing and sliding failure. Meanwhile, the suggestions of treatment measures for the soft foundation are given.

References:

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Last Update: 1900-01-01