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In-service slope technical condition evaluation method

A technology of technical status and evaluation methods, applied in special data processing applications, geometric CAD, design optimization/simulation, etc., can solve problems such as unpredictable, difficult landslide impact, and inability to fully present the actual state of slopes, etc., to achieve improved repair effects Effect

Pending Publication Date: 2020-08-07
贵州省质安交通工程监控检测中心有限责任公司
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Problems solved by technology

[0003] Slopes are extremely prone to landslides when it rains, causing huge safety accidents. At present, it is difficult for people to accurately calculate the impact of rainfall and raining time on landslides, and the calculated results cannot fully present the actual state of the slope, making monitoring Personnel cannot intuitively feel the changes of the slope, and it is difficult to effectively deal with the slope in the rainy season to maintain the stability of the slope. At the same time, when the slope needs to be repaired and reinforced, it is impossible to effectively predict the situation after reinforcement. It is difficult to repair and strengthen

Method used

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  • In-service slope technical condition evaluation method

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Embodiment

[0040] A method for evaluating the technical condition of an in-service slope, including the following steps:

[0041] A. Obtain basic information of the slope, such as soil cohesion, effective internal friction angle of soil, natural weight of soil, saturated weight of soil, saturated water absorption coefficient, initial water content of soil, saturated water content of soil;

[0042] among them,

[0043] B. Calculate the slope stability coefficient under rainfall conditions and establish a BIM model at the same time. The calculation method of the slope stability coefficient is as follows:

[0044]

[0045] Where h i0 Is the average height of the i-th soil body, h i Rainfall infiltration depth, c is soil cohesion, L is the length of sliding surface, Is the effective internal friction angle of the soil, γ is the natural gravity of the soil, γsat is the saturated gravity of the soil, and α is the slope slope;

[0046] Among them, for Q s , Q i It can be calculated by balance and oven. ...

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Abstract

The invention discloses an in-service slope technical condition evaluation method, which comprises the following steps of: A, acquiring basic information of a slope; B, calculating a slope stability coefficient under a rainfall condition, and meanwhile, establishing a BIM model; and C, combining the BIM model and the slope stability coefficient for evaluating the slope condition. According to thein-service slope technical condition evaluation method, BIM model observation and the slope stability coefficient under the rainfall condition are combined into a whole, the stability of the slope iscomprehensively judged in the rainy season, the accuracy and integrity of slope condition evaluation are improved, the landslide phenomenon in the rainy season is avoided, and the safety performance of the slope is effectively improved.

Description

Technical field [0001] The invention relates to the technical field of in-service highway slope condition monitoring, in particular to an in-service slope technical condition evaluation method. Background technique [0002] With the continuous development of my country's national economy, highway construction has begun to enter a period of rapid development. Slope stability is one of the most common engineering problems in highway construction. Moreover, as the scale of the project increases and deepens and the site continues to expand, it is often necessary to excavate slopes under complex geological environmental conditions. The stability of the slope project is related to the success or failure and safety of the construction of the project. It will play an important role in restricting the feasibility, safety and economic efficiency of the entire highway project, and affect the highway to a large extent. Investment and benefits of project construction. The landslide phenomen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20G06F30/13G06F111/10
CPCG06F30/13G06F30/20G06F2111/10
Inventor 沙运斌付晓彤毕小进曹少辉梅本荣胡凯王华肖遥卢星辅陶东阳毛国庆唐斌车彦良高彬沙琳川唐旭孟刚满银林权武唐再豪刘奎刘黔龙梁清清郭元凯葛恒奇张国超刘涛蒋恒恒
Owner 贵州省质安交通工程监控检测中心有限责任公司
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