Study On Engineering Characteristics Of Pile Anchor System Of Prestressed Cable In Landslide Treatment

Prestressed anchor cable anti slide pile is a widely used in slope supporting system supporting and retaining structure, anti slide retaining structure optimization,has provided large anchoring force, structure is reliable, safe, but its design theory and anchor cable engineering behavior analysis is not perfect, this paper existing pre-stressed anchor force mechanism research, relying on Chenzhou a landslide analysis of prestressed anchor cable and pile anchor engineering application and engineering properties. The use of the combination of theoretical analysis and finite element analysis method of the prestressed anchor cable anti slide pile in landslide thrust deformation characteristics, and the anchor’s stress situation, used in the software of ANSYS, and the actual construction, the slope of rock and soil deformation and cable anti slide pile internal force calculation. Firstly, of the landslide thrust and the foundation reaction force in the anti slide pile on the distribution of theoretical analysis,according to the relevant norms, introduce corresponding calculation method; analysis of the existing anchor anti slide pile mechanical model of the current situation and points out the existing problems, analysis of anchor cable anti slide pile structure by force and the prestressed anchor cable anti slide pile of main parameters determination method, the anchor anti slide pile design, including the design of the content, and analysis of the calculation method under different conditions. Followed by project governance of a landslide in Chenzhou, of anchor cable anti slide pile design principles and design steps and design method of case analysis and dynamic monitoring of the construction process, according to the analysis of the causes and development process of landslide monitoring results, the formation of landslide to and exacerbated the decline process, not just a complex local geological reasons, and construction process of human factors on the slope caused by adverse effects. For example, the construction process, without considering the excavation of the landslide destruction, the use of inappropriate methods of excavation, slope toe excavation is not timely support, anti slide pile construction dug pile density is too large, landslide stability damage is too large, not timely controlled deformation, not only failed to support role, and the landslide stability is lower, accelerate the landslide. Therefore, in landslide control,governance process stability of landslide treatment success play a important role, by comparing the different construction methods of landslide treatment effect differences,determine the importance of construction in the process of construction. According to the design specification and reconnaissance report, combined with type of landslide,deformation characteristics, hazard analysis and stability, to determine the "anti slide piles and prestressed anchor cable + cut drainage and dewatering well + grouting and fissures of landfill and auxiliary measures" combination of engineering comprehensive governance program. Construction of anchor cable anti slide pile, construction method,the design uses 3 sequence construction method in the construction of anti slide pile,jump cut edge method and the excavation and timbering together to minimize the anti slide pile damage on the stability of slope excavation. The result of dynamic monitoring is to determine the sliding trend of landslide, adjust the slope timely, ensure the stability and quality of the slope during construction.. Finally, using ANSYS software analysis of landslide excavation were support by stress trend, re analysis of using anchor cable anti slide pile and anti slide pile supporting effect, calculation of anti slide pile and anchor rope in supporting system by stress and strain, and compared with monitoring results, obtained ANSYS analysis results and monitoring results are basically consistent, using ANSYS software can be convenient, Prestressed anchor cable anti slide pile is a widely used in slope supporting system supporting and retaining structure, anti slide retaining structure optimization, has provided large anchoring force, structure is reliable, safe, but its design theory and anchor cable engineering behavior analysis is not perfect, this paper existing pre-stressed anchor force mechanism research, relying on Chenzhou a landslide analysis of prestressed anchor cable and pile anchor engineering application and engineering properties. The use of the combination of theoretical analysis and finite element analysis method of the prestressed anchor cable anti slide pile in landslide thrust deformation characteristics,and the anchor’s stress situation, used in the software of ANSYS, and the actual construction, the slope of rock and soil deformation and cable anti slide pile internal force calculation. Firstly, of the landslide thrust and the foundation reaction force in the anti slide pile on the distribution of theoretical analysis, according to the relevant norms, introduce corresponding calculation method; analysis of the existing anchor anti slide pile mechanical model of the current situation and points out the existing problems, analysis of anchor cable anti slide pile structure by force and the prestressed anchor cable anti slide pile of main parameters determination method, the anchor anti slide pile design, including the design of the content, and analysis of the calculationmethod under different conditions. Followed by project governance of a landslide in Chenzhou, of anchor cable anti slide pile design principles and design steps and design method of case analysis and dynamic monitoring of the construction process,according to the analysis of the causes and development process of landslide monitoring results, the formation of landslide to and exacerbated the decline process,not just a complex local geological reasons, and construction process of human factors on the slope caused by adverse effects. For example, the construction process, without considering the excavation of the landslide destruction, the use of inappropriate methods of excavation, slope toe excavation is not timely support, anti slide pile construction dug pile density is too large, landslide stability damage is too large, not timely controlled deformation, not only failed to support role, and the landslide stability is lower, accelerate the landslide. Therefore, in landslide control, governance process stability of landslide treatment success play a important role, by comparing the different construction methods of landslide treatment effect differences, determine the importance of construction in the process of construction. According to the design specification and reconnaissance report, combined with type of landslide, deformation characteristics, hazard analysis and stability, to determine the "anti slide piles and prestressed anchor cable + cut drainage and dewatering well + grouting and fissures of landfill and auxiliary measures" combination of engineering comprehensive governance program. Construction of anchor cable anti slide pile, construction method,the design uses 3 sequence construction method in the construction of anti slide pile,jump cut edge method and the excavation and timbering together to minimize the anti slide pile damage on the stability of slope excavation. The result of dynamic monitoring is to determine the sliding trend of landslide, adjust the slope timely, ensure the stability and quality of the slope during construction.. Finally, using ANSYS software analysis of landslide excavation were support by stress trend, re analysis of using anchor cable anti slide pile and anti slide pile supporting effect, calculation of anti slide pile and anchor rope in supporting system by stress and strain, and compared with monitoring results, obtained ANSYS analysis results and monitoring results are basically consistent, using ANSYS software can be convenient, intuitive performance of the landslide body and the anti slide pile strain performance.