Font Size: a A A

The Stability Study On Slope Of The Soil-rock Mixture Aggregate Under The Impact Of Earthquake

Posted on:2011-03-29Degree:MasterType:Thesis
Country:ChinaCandidate:D L ZhangFull Text:PDF
GTID:2132360308470899Subject:Geotechnical engineering
Abstract/Summary:PDF Full Text Request
There are many mixture slope in western china , and most of western china are in the earthquake zone.The environment, in seismicly strong and high frequency activity, inevitably leads to many problems of earthquake-related mixture slope. With the implementation of the western development strategy, a significant number of geotechnical engineerings will be built in earthquake zone mixture slope of the seismic stability.The problem appears to becoming more prominent.Seismic effect on the slope of rock and soil blending is a very complex dynamic process, the domestic research on this subject is still few. so far, seismic slope stability analysis is still under the limit equilibrium theory which is based on quasi-static .Seismic design experience is still at the state, it has seriously affected the reliability of the design, economic and scientific. Therefore, a mixture of earth and rock slope under seismic stability evaluation of failure mechanism. The method of in-depth study would not only promote mixed under earthquake debris slope stability theory development the innovation for the geotechnical engineering construction, which is in the decision-making, design and construction to provide technical support, has important theoretical and practical significance.In this paper, Wenchuan turf landslide study is based on the field of geological survey, data collection and analysis .The paper elaborates the detail of the Lawn Slope engineering geological characteristics. Thus,it takes the basic geological model of the landslide. In related fields based on existing research carried out under earthquake mixture slope stability studies, the specific content and the results are as follows:(1) The paper is analysis of the seismic mixture slope stability factors.It is not only discussed the geological structure, lithology, topography, slope of the internal structure of the internal,also discussedthe seismic loading, human factors impact of external factors. It is on the slope stability, so as to mixture slope design and reinforcement to provide guidance.(2) The paper is analysis of the Seismic mixture slope failure mechanism.It is mainly accumulated and trigger effects, high projectile motion landslide, debris flow and so on.(3) The FLAC-3D elastic-plastic theory is based on duwen Road Turf point slope workers under natural conditions. The earthquake is on the stability analysis and the results demonstrated a mixture slope seismic stability of the overall situation of grasp.
Keywords/Search Tags:earthquake, soil-rock mixture slope, FLAC-3D, stability analysis
PDF Full Text Request
Related items