A Calculation Method of Slope Sliding Thrust Based on Deep Displacement and Deformation Monitoring

Abstract

The invention relates to a slope sliding thrust calculation method, in particular to a slope sliding thrust calculation method based on deep displacement and deformation monitoring. The invention solves the problem that the result of the existing slope sliding thrust calculation method deviates greatly from the real value. A slope sliding thrust calculation method based on deep displacement and deformation monitoring. The inclinometer tube is used to monitor the displacement of the deep deformation of the slope, and the continuous deformation of the deep slope is obtained; the indoor mechanical test analysis is carried out on the rock and soil samples of the slope. The elastic modulus of the inner rock and soil layer of the slope is obtained; the stress state of the slope is obtained based on the principle of elastic deformation, and then the slope sliding thrust and thrust shape distribution are deduced. According to the thrust calculation results, take corresponding engineering measures.

Description

technical field [0001] The invention relates to a slope sliding thrust calculation method, in particular to a slope sliding thrust calculation method based on deep displacement and deformation monitoring. Background technique [0002] Calculation of slope sliding thrust is the key to slope prevention technology and method. Under the existing technical conditions, the calculation methods of slope sliding thrust mainly include BISHOP method, transfer coefficient method, unbalanced thrust method, etc., on the basis of assuming that the location of the sliding surface and its mechanical parameters are known, according to the applicable conditions (such as BISHOP The method ignores the moment generated by the interstrip force, and assumes that the vertical lateral force of the soil strip is 0) to calculate the sliding thrust of the potential sliding surface. However, the above methods often have the following disadvantages: 1. The actual sliding surface is often unknown, so the ...

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Problems solved by technology

However, the above methods often have the following disadvantages: 1. The actual sliding surface is often unknown, so the designed sliding surface is a virtual position, which is quite different from the real position; 2. Due to the application of the calculation method, the shape of the sliding surface It can only be a circular arc or a broken line with a small slope. When the shape of the sliding surface does not conform to the calculation result, the deviation of the calculation result is extremely large; 3. Most of the mechanical parameters of the sliding surface used in the calculation are speculative values ​​(very few mechanical parameters are Real field test test value), the difference between the value and the real value leads to a huge difference between the calculated value and the real sliding force

The above reasons lead to inaccurate calculation of the glide thrust, which in turn leads to a large difference between the engineering design and the actual situation, resulting in some engineering waste

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