Study On Mechanism Of Concrete Frame With Prestressed Anchor Rope For The Control Of Cutting Slope

Concrete frame with prestressed anchor rope is a kind of new block structure used for slope reinforcement. It has already extensively been applied in highway, railroad and water electricity engineering, etc. Many researchers have paid more attention to its research and have obtained many research achievements at home and abroad, but its theory research still can't meet the need of application and the mechanism of its reinforcement should be researched farther. Based on the application study, this paper analyzed its mechanism of slope reinforcement with theory analysis, digital analogy ,field test, etc. The research has important practical significance and theory value.According to the present research status of concrete frame with prestressed anchor rope, this paper emphasized on the research of its reinforcement mechanism with the research project—'The Research of Technology of Prevention and Control Slope Diseases along Yuan-mo High Grade Road during Construction" and application of concrete frame with prestressed anchor rope. Main study contents of this paper are as follows: 1.According to the deformation characteristics of various slope diseases, the adaptability of concrete frame with prestressed anchor rope has been researched, Hence the instruction suggestion can be provided for the reinforcement design with this structure; 2.Based on the application cases of concrete frame with prestressed anchor rope, the paper summarized its destruction types and put forward corresponding improvement measures; 3.Various existing calculation methods for concrete frame with prestressed anchor rope were summarized and the advantages and disadvantages, application condition and reliability analysis of them were contrasted also; 4.With the data of the field case test of Yuan-mo highway, this paper analyzed the tension of anchor rope, the moment and displacement of frame and the resistance of foundation; Based on contrasting the integrated results of soil pressure with three methods as follows: the finite differential method of beam on elastic foundation, inversion analysis and site test data of soil pressure cells, this paper put forward revising suggestions to existing design methods;5.The finite element method was adopted to simulate various mechanics status of rain infiltration, slope cutting and reinforcement of concrete frame with prestressed anchor rope, further, theory basis for analyzing the mechanism of concrete frame with prestressed anchor rope applied to the slope reinforcement was established.In summary, basing on the research result of the mechanism of concrete frame with prestressed anchor rope applied to the slope reinforcement, the referenced suggestions can be provided for the project design, construction and further practice.