Reliability calculation method for non-through joint slope stability
A calculation method and non-through technology, applied in calculation, calculation model, design optimization/simulation, etc., can solve the problems of not fully reflecting the state of the slope, not taking into account the influence factors of jointed rock bridges, etc., to avoid errors and improve accuracy sexual effect
Active Publication Date: 2021-01-08
DALIAN MARITIME UNIVERSITY
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[0003] The current evaluation methods for the reliability of jointed slopes are mostly aimed at penetrating joints. There is a certain difference between the evaluation methods of penetrating joints and the actual state of the project, that is, in actual engineering, most of them are non-penetrating joints instead of penetrating The joint evaluation method does not take into account the influencing factors of the jointed rock bridge, so the evaluation results cannot fully reflect the actual slope state
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[0054] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0055] like figure 1 , Figure 10 As shown, this embodiment provides a method for calculating the reliability of non-penetrating joint slope stability, including:
[0056] S1. Construct an orthogonal design table according to engineering sampling statistics; obtain non-penetrating joint parameters through the orthogonal design table;
[0057] S...
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The invention discloses a reliability calculation method for non-through joint slope stability, and the method employs an intelligent machine learning method to build a response surface relation between non-through joint parameters and a slope safety coefficient, and achieves the quick calculation and evaluation from the non-through joint parameters to the slope safety coefficient. A non-through joint parameter distribution characteristic evaluation method based on a probability graph method is established, finite analysis of a non-through joint parameter statistical result in actual engineering is realized, and an actual distribution characteristic function of each parameter is accurately obtained. The stability evaluation of the non-through jointed slope, namely the slope reliability analysis process, is realized on the whole. Through an intelligent machine learning algorithm, the accuracy of a calculation result is improved, errors caused by manual subjective evaluation or numericalsimulation calculation in the past are avoided, and an accurate evaluation method is provided for slope disaster prevention and control.
Description
technical field [0001] The invention relates to the technical field of slope stability evaluation, in particular to a reliability calculation method for non-penetrating joint slope stability. Background technique [0002] Slope stability control issues need to be considered in the construction of geotechnical engineering such as tunnel entrance section, foundation pit grading, and highway subgrade. Affected by factors such as weathering and geological movement, slopes often contain joints and fissures, and these joints are often discontinuous. The variability of parameters such as trace length, density, and inclination angles leads to the stability of the joint slope system. highly uncertain. [0003] The current evaluation methods for the reliability of jointed slopes are mostly aimed at penetrating joints. There is a certain difference between the evaluation methods of penetrating joints and the actual state of the project, that is, in actual engineering, most of them are...
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IPC IPC(8): G06F30/27G06F30/23G06N3/00G06N20/00G06F119/02
CPCG06F30/27G06F30/23G06N3/006G06N20/00G06F2119/02Y02A10/23
Inventor 姜谙男郑帅张广涛姜相松董庆波罗国成佟显涛刘宏宇焦明伟段龙梅吴顺
Owner DALIAN MARITIME UNIVERSITY