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Anti-uplift stability analysis method suitable for cantilever type revetment of narrow river channel
The invention discloses an anti-upheaval stability analysis method suitable for a cantilever type revetment of a narrow river channel in the technical field of geotechnical engineering, which comprises the following steps of: judging an upheaval instability mode by adopting three formulas according to the width of the river channel, the built-in depth of a supporting and retaining structure and the internal friction angle of a sliding soil body; according to the determined riverway upheaval instability mode, selecting a corresponding one of four formulas to calculate an anti-upheaval stability safety coefficient; according to the method, the upheaval instability mode is judged in advance, and then the upheaval-resistant stability safety coefficient is solved, so that the accuracy of a calculation result is improved.
本发明公开了岩土工程技术领域一种适用于窄河道悬臂式护岸的抗隆起稳定分析方法，根据河道宽度、支挡结构嵌固深度、滑动土体的内摩擦角，采用三个公式判断隆起失稳模式；根据确定的河道隆起失稳模式，选择四个公式中对应一个的计算抗隆起稳定安全系数；本发明的方法通过事先判断隆起失稳模式再求解抗隆起稳定安全系数，提高了计算结果的准确度。
Anti-uplift stability analysis method suitable for cantilever type revetment of narrow river channel
The invention discloses an anti-upheaval stability analysis method suitable for a cantilever type revetment of a narrow river channel in the technical field of geotechnical engineering, which comprises the following steps of: judging an upheaval instability mode by adopting three formulas according to the width of the river channel, the built-in depth of a supporting and retaining structure and the internal friction angle of a sliding soil body; according to the determined riverway upheaval instability mode, selecting a corresponding one of four formulas to calculate an anti-upheaval stability safety coefficient; according to the method, the upheaval instability mode is judged in advance, and then the upheaval-resistant stability safety coefficient is solved, so that the accuracy of a calculation result is improved.
本发明公开了岩土工程技术领域一种适用于窄河道悬臂式护岸的抗隆起稳定分析方法，根据河道宽度、支挡结构嵌固深度、滑动土体的内摩擦角，采用三个公式判断隆起失稳模式；根据确定的河道隆起失稳模式，选择四个公式中对应一个的计算抗隆起稳定安全系数；本发明的方法通过事先判断隆起失稳模式再求解抗隆起稳定安全系数，提高了计算结果的准确度。
Anti-uplift stability analysis method suitable for cantilever type revetment of narrow river channel
一种适用于窄河道悬臂式护岸的抗隆起稳定分析方法
FU DABAO (author) / XIA CHANG (author) / JIAN WENBIN (author) / DENG YONGFENG (author) / HUANG ZHIHUI (author) / WU SHIMING (author)
2022-07-15
Patent
Electronic Resource
Chinese
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