Arch seat anti-sliding stability safety calculation method for arch dam
A technology of anti-sliding stability and calculation method, which is applied in the field of arch dam engineering, can solve problems such as disregarding the force and failure characteristics of the sliding surface, uneconomical, and distorted engineering, so as to reduce engineering risks or engineering uneconomical problems, High accuracy and precision, accurate calculation effect
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[0103] A method for calculating the anti-sliding stability of the arch dam of the present invention includes the following steps:
[0104] S1, build the slider
[0105] For the possible sliding blocks in the arch abutment, that is, the sliding block, according to the structural surface within the arch abutment determined by the geological survey and the relative position relationship, all the sliding blocks that may slip under the action of external load are formed; For a slider, the following steps S2 to S5 are executed in sequence.
[0106] S2, determine the sliding mode of the slider
[0107] According to the number of sliding surfaces that the sliding block can provide anti-slip force, the sliding mode of the sliding block is divided into two kinds of single sliding mode and double sliding mode. The method to determine the sliding mode of the slider is:
[0108] 1) Calculate the resultant force vector of all external loads acting on the slider, and then decompose the resultant for...
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