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1. 发明专利

ZA202002146B A SLOPE RISK COMPREHENSIVE ASSESSMENT METHOD BASED ON SLOPE FAILURES FORMS 未知
公开(公告)号：ZA202002146B
公开(公告)日：2021-04-28
申请号：ZA202002146
申请日：2020-05-04
申请人： UNIV QINGDAO TECHNOLOGY
发明人： LI LIANG , YUAN CHANGFENG , CHU XUESONG , GAO YUAN , ZHANG HONGBIN , HU JUN , ZHAI MING , LIU FUSHUN
摘要： A landslide failure morphology-based method for comprehensively evaluating the side slope risk, which relates to the fields of side slope stability and risk evaluation. The method introduces a smooth particle hydrodynamics method, uses sliding distance and impact distance, and combines a classical limit equilibrium method to more intuitively and reasonably evaluate side slope stability and risk. The method comprises: according to statistical features of cohesion c and an internal friction angle φ, randomly generating n sets of combined values that meet the statistical features, and denoting same as {ci, φi}i=1n{ci, φi}i=1 n; for an ith set of combined values, obtaining a minimum safety factor Fsi of a side slope; using a smooth particle hydrodynamics method to analyze a sliding distance dRi and an impact distance dIi of the side side slope under the ith set of combined values; making i=i+1, repeating the previous two steps to obtain the minimum safety factor, the sliding distance and the impact distance of the side slope under all combined values; performing averaging processing to obtain an average safety factor, a sliding distance and an impact distance; and calculating a normalized sliding distance and impact distance according to the positions of slope top and bottom structures, and combining same with the average safety factor to comprehensively evaluate the risk of a landslide.

2. 发明专利

AU2020100404A4 A METHOD TO ASSESS SLOPE SAFETY BASED ON DOWNSTREAM STRUCTURES’ DAMAGED DEGREE 未知
公开(公告)号：AU2020100404A4
公开(公告)日：2020-04-30
申请号：AU2020100404
申请日：2020-03-17
申请人： UNIV QINGDAO TECHNOLOGY
发明人： LI LIANG , CHU XUESONG , LU SHIBAO , YUAN CHANGFENG , HE KEQIANG , HU JUN , ZHANG HONGBIN , LING XIANZHANG
IPC分类号： G06F17/10 , G01B21/02 , G01B21/32 , G01V99/00
摘要： The invention relates to the field of slope safety assessment and risk quantification, specifically relating to a method to assess slope safety based on downstream structures' damaged degree comprising following steps, step 1: assuming generating a series of {c,}, in accordance with indeterminacy of slop material mechanical parameters; step 2: basing on parameters' combination C in group i, i =1,2...,N calculating its safety coefficient Fs of the slope and motion trajectory of the slider on the slop; step 3: calculating the distance d, between the downstream structure of slope and the farthest point of the slope slider within its motion trajectory; step 4: repeating step 2 and step 3 to get a series of distance values {d,}N, and safety coefficients {Fs,}N ; step 5: calculating the average distance value and safety coefficient denoted as d. and FSm ; step 6: assessing safety degree of the slope with structures downstream by using product of d. and FS. . The invention can effectively solve the problem existing in prior art which is not effective, valid, and intuitive enough when assessing safety of slope with structures downstream, going against prevention and treatment of landslides. Generating a series of {c,},in accordance with indeterminacy of slop S1 material mechanical parameters Based on parameters' combination C, in group i, i= 2...,N S2 calculating its safety coefficient Fsi of the slope and motion trajectory of' the slider on the slop According to the relative relationship between the location of structure S3 and the farthest point of slop slider within its motion trajectory, calculating the distance d, therebetween, among which i = 1,2..., N S4 Repeating step 2 and step 3 to get a series of distance values {d,},N and a series of safety coefficients {Fs,},N Calculating the average value of said a series of distance values in step 4 S5 denoted as d, and the average value of said a series of safety coefficients denoted as FS, Assessing safety degree of the slope with structures downstream via S6 product of average distance value d. and average safety coefficient Fs. 6 Water tower 0 5 10 15 20 25 3C Slope width/m

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