| These are more than thirty rock slopes of different types along Shang-Man Expressway, with complex geological formation structure, the rock mass is torn to pieces, joint fissures, many slopes interior possibly have latent weak structural plane or the slip plane, with poor stability. Rock slope stability, slope protection, environmental protection and beautification along the route, and so on, are all become the special technical questions which in the construction.In view of rock slopes along the road ,this paper has carried out the domestic and foreign correlation data investigation and engineering investigations,to every slopes'influence elements,stability and protection scheme took further research. Prime task including the following aspects:(1) Through the exhaustive spot investigation, unified the local physical geography and the environmental condition, carried on statistics and classification of the slops along the road, and analyzed the slope destruction type, the destruction characteristic and the destruction pattern.(2) Slopes'influence elements were summarized, and carried on the analysis union specific slope.(3) With the engineering geological analogy, the wedge-shaped body stable analytic method and the circular arc method have carried on the stable computation analysis to the side slope, proposed stability evaluationsuits calculation formula and analysis method for the slopes of Shang-Man Expressway.(4) Proposed the corresponding protection plan to the poor stability slope, carried on the optimization to various plans used based on the project fuzzy set theory slope protection optimization method, through to multi-factor synthesis balance, designation the best protection technology and implementation plan.(5) Carried on the analysis and the quality synthetic evaluation to each protection technology based on practical, has important meaning to the engineering construction.
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