Study On Atypical Buckles'-landslip And Its Prevention And Treatment Of Changsha Commerce & Tourism College

Changsha Commerce &Tourism College background for the project Slope thesis studied soft bedding rock slope's atypical buckles'-landslip and its prevention and treatment issues.1. The landslide is a new type of buckling failure type, named atypical buckling-type landslideAtypical buckling-type landslide landslide features are:soft bedding rock slope, sliding surface is not invading, the slope toe at a certain distance in front of the gradient at the base of rock bent-uplift, can become damaged. Yet to emerge in stages, or is temporarily unable to determine the evolution characteristics of the phased evolution of the possible evolution pattern is curved-uplift at the top of shearing failure. When the gradient at the base of the rock (plate girder) to achieve yield or "buckling" (buckling), or curved-uplift at the top of cut damage, landslides might once again slip instability.2. Analysis demonstrated engineering side of this background (slide) slope hydrodynamic model is intermittent infiltration-cracks dive type and groundwater on the rock slope of the role of the mechanism of fracture within the underground movement, hydrostatic pressure (including the sliding surface uplift pressure), and the transient saturated zone groundwater gravity (in rock and soil wet bulk density, saturated bulk density performance).3. Analysis of rock slope was cut structural surface discontinuities of geological bodies, should be divided into strong vertical wind and unloading zone, in the weathering zone and so on, each with the strength of the concept of an integrated intensity. Quantitative evaluation of the slope strong weathering and unloading zone, the integrated shear strength of rock weathering with the calculation speed of the landslide and the role of sliding time, the average force on the gradient at the base of rock.4. That the decline of this background work that goes on the classic-style landslide classification before sliding Department geomechanical model is the plastic flow-pull crack before sliding failure conditions at the bridge should be consistent with rock tensile failure criterion:σ3=-T0 (rock tensile strength). 5. Paper presents a calculation model of the residual thrust down:the assumption that bending-shear uplift at the top for the export, transfer coefficient method used to complete the remaining slide down thrust calculation, but the calculation of the remaining thrust down the conclusions should be taken only at its base, the compartmentalization of down thrust angle for the remainder of 0°. The calculation model in line with the status quo.6. Because of the atypical buckles'landslip is not invading the sliding surface and the base rock by injury characteristics, to distinguish between the slope of the deformation phase of movement and destruction of a comprehensive prevention and treatment phase, targeted slope in the slope taken active measures for the prevention and treatment project, be careful or it would not be appropriate to take a passive force at its base to prevent and control type measures. Control the use of reliability engineering valueβ≥1.65, which works to meet China's current system requirements specification. Slope of this project as a whole using gravity-type retaining wall, slope+lattice beam+bolting control.