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Typhoon area bamboo forest landslide safety coefficient calculation method

A technology of safety factor and typhoon, applied in the field of calculation of safety factor of Zhulin landslide in typhoon area, can solve the problems of lack of scientific and reasonable calculation method of safety factor of bamboo forest landslide in typhoon area, without considering the acceleration of infiltration speed, etc.

Active Publication Date: 2021-04-30
CHINESE ACAD OF GEOLOGICAL SCI
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  • Abstract
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Problems solved by technology

On the other hand, the physical and mechanical parameters of rock and soil used in the calculation are also conventional parameters, without considering the acceleration of infiltration rate
In short, there is no scientific and reasonable calculation method for the safety factor of the Zhulin landslide in the typhoon area considering the coupling effect of wind load and rainstorm

Method used

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  • Typhoon area bamboo forest landslide safety coefficient calculation method
  • Typhoon area bamboo forest landslide safety coefficient calculation method
  • Typhoon area bamboo forest landslide safety coefficient calculation method

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Embodiment Construction

[0033] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0034] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, elements, components, and / or groups thereof. It will be understoo...

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Abstract

The embodiment of the invention provides a typhoon area bamboo forest landslide safety coefficient calculation method. The method comprises the following steps: obtaining calculation parameters of landslide; collecting typhoon wind level, wind direction, rain intensity and duration parameters; determining the number of moso bamboos on the unit area slope body and the wind area; calculating the comprehensive permeability coefficient of the slope body; and calculating the safety coefficient of the bamboo forest landslide under the typhoon and rainstorm coupling effect. The embodiment of the invention provides a typhoon area bamboo forest landslide safety coefficient calculation method, which considers the mechanical effect of a typhoon wind load in the safety coefficient calculation of the typhoon area bamboo forest landslide, and considers the change of a slope infiltration condition caused by the wind load, so that the safety coefficient calculation of the typhoon area bamboo forest landslide more conforms to the reality; The method is very practical in application.

Description

technical field [0001] The invention relates to the field of geological disaster engineering, in particular to a method for calculating the safety factor of bamboo forest landslides in typhoon areas. Background technique [0002] Bamboo forests are widely distributed in the southeastern coastal areas of my country. Traditionally, it is believed that the existence of bamboo forest roots plays a favorable role in the stability of landslides, so landslides with bamboo forests are not easy to slide. However, through actual investigation and research, it is found that compared with bare slopes, bamboo forest landslides tend to slide more easily under rainfall conditions, especially when typhoons land. [0003] There are many typhoons landing in the southeastern coastal areas of my country every year, and typhoons and heavy rains induce a large number of geological disasters. After a typhoon lands, most of the landslides within its influence area are affected by the typhoon wind...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/10
CPCG06F17/10Y02A50/00
Inventor 闫金凯刘蕾李海龙刘雪玲王文沛王志辉徐博郭朝斌
Owner CHINESE ACAD OF GEOLOGICAL SCI
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