Karst foundation stability fuzzy comprehensive evaluation method

A fuzzy comprehensive evaluation and stability technology, applied in data processing applications, instruments, calculations, etc., can solve problems such as difficult to reflect all the influencing factors truthfully, limited reliability of calculation results, and fuzzy stability of karst foundations

Pending Publication Date: 2019-12-10
湖南化工地质工程勘察院有限责任公司
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Problems solved by technology

[0005] The above-mentioned fuzzy comprehensive evaluation methods for karst foundation stability are mostly qualitative or semi-quantitative methods, and the calculation results obtained are often highly discrete, and it is difficult to faithfully reflect all the influencing factors. Therefore, the reliability of the calculation results is limited, and it is difficult to be effective in engineering. Applications

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0028] see figure 1 , the fuzzy comprehensive evaluation method for the stability of the karst foundation comprises the following steps:

[0029] Step S1, analyzing the environmental geological background characteristics of the research area: including the analysis of the physical geography, stratum lithology, and geological structure of the research area, to obtain the environmental geological background characteristics of the research area;

[0030] Step S2...

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Abstract

The invention relates to a Karst foundation stability fuzzy comprehensive evaluation method. The Karst foundation stability fuzzy comprehensive evaluation method comprises the following steps: step 1, analyzing environmental geological background characteristics of a research area; step 2, analyzing hydrogeological condition characteristics of a research area; 3, analyzing karst development characteristics of the research area; 4, establishing a karst foundation stability evaluation model; and 5, analyzing the influence of karst development on engineering. According to the method, a fuzzy comprehensive secondary evaluation model for evaluating the stability of the karst roof is established; according to a multi-stage fuzzy evaluation theory in fuzzy mathematics, the stability of the karstfoundation is evaluated by adopting a fuzzy comprehensive evaluation method; according to the fuzzy comprehensive evaluation method, in the calculation process, fuzzy comprehensive evaluation software is utilized, a judgment matrix and a membership degree matrix are directly input, a weighted average type fuzzy synthesis operator is selected, the fuzzy transformation principle is utilized, and according to the maximum membership degree principle, the karst foundation stability evaluation result can be quantitatively obtained.

Description

technical field [0001] The invention relates to a karst foundation stability evaluation method, in particular to a karst foundation stability fuzzy comprehensive evaluation method. Background technique [0002] In my country, karst is widely distributed, accounting for 35.93% of the country's land area. Because karst caves are buried deep underground, it is difficult to explore their shape, scale, and spatial distribution, and there are no obvious rules to follow. Therefore, the evaluation of the foundation stability of karst caves is a complex systematic engineering problem. The various influencing factors of foundation stability are related to a certain extent, and the description of the degree of influence is also ambiguous. It is difficult to quantitatively evaluate the stability of karst foundation through deterministic methods. [0003] At present, the stability evaluation of karst foundation mostly refers to the calculation methods recommended in the "Handbook of Eng...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06
CPCG06Q10/06393
Inventor 徐鹏尹国荣熊欢刘东向其林张武建徐扬
Owner 湖南化工地质工程勘察院有限责任公司
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