Abstract
Since the late 1990s, with the construction of the highway in Heilongjiang province, the problems of ground deformation and subgrade stability caused by the permafrost have been seriously recognized. Currently, there was little research on Landslides caused by permafrost melting and human factors. We took K177 + 100 to K179 + 300 section of Bei’an to Heihe highway expansion project as the research object. Through site surveys, geological drilling, shallow ground water content and temperature monitoring, slope and subgrade deformation monitoring, laboratory test methods, the formation mechanism of classic landslides in the research area have been comprehensive studied. The results show that: the terrain, geological conditions and the change of moisture content in hillside slope were the main reasons to generate landslides. Atmospheric precipitation, seasonal freezing and thawing of shallow slope ground and the melting of island permafrost scattered in the mountain valley provided continuous landslides water. Artificial disturbance to slope soil in the road construction process accelerated the slope sliding. This research can provide reference for slope design and assessment of similar conditions in northeast China.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
