基于极限平衡法的边坡加固力分析方法

By discretizing the slope into blocks and using the limit equilibrium method for the iterative model of anti-slide pile reinforcement force, the slope reinforcement force analysis is simplified, the calculation efficiency and accuracy are improved, and the problems of complex solutions and inaccurate results in the existing technology are solved.

CN115859668BActive Publication Date: 2026-07-17GUIZHOU SURVEY & DESIGN RES INST FOR WATER RESOURCES & HYDROPOWER

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
GUIZHOU SURVEY & DESIGN RES INST FOR WATER RESOURCES & HYDROPOWER
Filing Date
2022-12-20
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In existing technologies, implicit iterative solution schemes are complex, and explicit solution schemes do not yield accurate results, resulting in low efficiency and inaccurate results in slope reinforcement force analysis.

Method used

The slope is discretized into n blocks, with the reinforcement force preset to 0. The normal force is calculated through the force analysis equation. The magnitude of the normal force determines whether to add anti-slide piles. The reinforcement force of the anti-slide piles is iteratively calculated using the limit equilibrium method iterative model until the difference is less than the threshold.

Benefits of technology

It simplifies the process of solving for reinforcement forces and improves the efficiency and accuracy of reinforcement force analysis.

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Abstract

本发明的实施例提供了基于极限平衡法的边坡加固力分析方法,方法包括:将边坡离散为n个条块,在每个迭代中,将前一个迭代计算得到的加固力作为本次迭代的初始加固力P0,计算第n个条块的第n+1节点处的第二法向力Hn+1及第k个条块第k+1节点法向力Hk+1,在第二法向力Hn+1小于零时,基于极限平衡法的抗滑桩加固力迭代模型,确定第二法向力对应的最新加固力P1,计算P0与P1的差值的绝对值,当绝对值大于或者等于预设阈值时,重新设置初始加固力P0=P1,进入下一次迭代,直至计算的初始加固力与最新加固力的差值的绝对值小于预设阈值时,将最新的加固力作为边坡的加固力。所提出的方法能够简化加固力的求解。
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