Font Size: a A A

The Bedding Rock Slope Failure Mechanism And Reinforcement Mechanism

Posted on:2017-10-03Degree:MasterType:Thesis
Country:ChinaCandidate:D WeiFull Text:PDF
GTID:2322330485981481Subject:Geotechnical engineering
Abstract/Summary:PDF Full Text Request
Bedding rock slope is a common type of slope in engineering.Because of the complicated geological failure modes,it becomes a difficult point in the slope engineering.Currently,Failure mechanism of rock slope,mechanics,and the role of the principle of rock slope reinforcement structure with insufficient research,combined with bedding rock slope stability is poor,prone to slip deformation Excavation.Therefore,further study of this issue is very necessary.In this paper,the following work has been carried out for the study of bedding rock slope:1.Study on the failure mode of bedding rock slope.Based on the basic categories of bedding rock slope,the analysis of the bedding rock slope sliding cracking and sliding bending deformation and failure mode of two kinds of common stress characteristic;Using geological mechanics theory of bedding rock slope failure mechanism was analyzed,and the thickness of strata and strata dip Angle influence on slope stability to do the corresponding mechanical analysis;Slip cracking failure mode was deduced under the critical height of vertical slope excavation,the stability of the sliding bending failure conditions are discussed.2.Study on the failure mechanism of bedding rock slope.Numerical analysis method is used to destroy the close degree as a criterion for the stability of the bedding rock slope is analyzed,identified the bedding rock slope sliding failure surface cracking.Analysis of the bedding rock slope failure of forming conditions on both sides of the border.Studied the longitudinal slope excavation length,rock formation dip Angle,thickness of strata,construction excavation slope Angle and height on the influence of the slope stability.According to the theory of deep beams is deduced the correlation of strata deformation and longitudinal excavation length,this paper discusses the guarantee stability under construction excavation height and reasonable excavation length of relationship.3.Analysis of the characteristics of the reinforcement method of the bedding rock slope.Of the bedding rock slope by engineering examples,the three types of prestressed anchor cable anti-slide pile,anchor and pile reinforcement scheme of numerical calculation.Analyzing and comparing the three kinds of force characteristics and the reinforcement effect of reinforcement scheme,and puts forward the project of comprehensive treatment and reasonable Suggestions.
Keywords/Search Tags:Consequent Bedding Rock Slope, Failure Mechanism, FLAC3D, Numerical Simulation, Reinforcement Measures
PDF Full Text Request
Related items