Research On Construction And Support Technology Of High Weathered Slope Engineering Along The River

Mountain area terrain,ravines,and many bad geological plane line position and can not be too narrow,reduce the technical standard of high grade highway,to solve this problem we must adopt high slope.High slope is a kind of engineering geological body,which is formed by human activities or natural environment.In the western mountainous area,the high slope will inevitably be encountered in the construction of the highway or some other projects.Firstly,this paper studies the forming process and engineering characteristics of the slope along the river bank,summarizes the main factors affecting the stability of rock slope.This paper expounds the weathering evolution law of slate.Then the construction process of super high slope without supporting conditions by controlling variable thought,by means of the finite difference software FLAC 3D,using the strength reduction method,a parametric numerical model to analyze the slope stability coefficient,the instability of sliding surface,and the sensitivity analysis of the influencing factors are: not to take supporting measures under the condition of high slope stability coefficient in advance because of the anti pressure soil increased when the excavating face reaches the rock interface,the slope stress change is declining;applying anchor slope plastic area improved significantly,the anchor measures to strengthen the internal stress of the slope,the slope the increase in stability,greatly reduce the probability of slope failure,protective effect.Through the research,the treatment of high slope along the river becomes more convenient,can greatly shorten the construction period,reduce the construction cost;at the same time,but also to ensure the slope stability meet the specification requirements,save maintenance costs.It provides theoretical basis and specific design index for the design and construction of high slope along the Yangtze River,and provides strong technical support for engineering construction.To ensure the construction period and long term operation safety of the high slope along the Yangtze River,and to construct the new concept of sustainable development and design of mountain highway.Finally,combined with engineering cases,the construction of high slope protection technology,design,construction monitoring,digging and supporting shed tunnel technology through the optimization scheme,a secure and efficient high slopeconstruction process is given.