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Loess Landslide, High Slope Stability Analysis And Engineering Application

Posted on:2013-08-17Degree:MasterType:Thesis
Country:ChinaCandidate:Z H WangFull Text:PDF
GTID:2232330362973092Subject:Geotechnical engineering
Abstract/Summary:
The slope has been one of the main problems in the geotechnical engineering academicresearch. However, due to the urbanization is accelerating ceaselessly in recent years, theurban population has been rising sharply and city space become very precious as gold. Due toloess wide distribution in our country northwest and North China area, plenty of loess slopeengineering in these areas are concerned widely. Because the slope problem is complex in reallife, it is still the current emphasis and difficulty that how to analyze rationally the loess slopestability.This paper elaborated briefly common several basic theories and governance method forthe analysis slope stability and studied systematically the effect factors on slope stability thatsoil different parameters, different anti-slide pile location and anchor length changes in theloess area. The paper based on the two slopes engineering to research the loess slope. Thefinite element software “Midas-GTS” was used to simulate slope slide of the two engineering.Compared the finite element method with the conventional limit equilibrium method. At thesame time, analyzed deformation and force regularity of the anti-slide piles and anchor byusing the software.Research results show that slope stability coefficient was the highest as the anti-slide pileis located in the middle position of slope and increase appropriately the bottom anchor lengthare crucial on slope stability. Different soil contact surface is the weak position of the slopestability. The slope stability coefficient of finite element method is bigger. The maximumshear be located at the dominant sliding surface. It is extremely crucial to support high slopethat control the middle deformation of the high slope. These research outcomes haveimportant reference significance for similar slope projects in loess area.
Keywords/Search Tags:loess area, slope stability, numerical analysis, slide-resistant pile, anchor
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