To reduce the error of stability analysis of the earth rock dam slope and the frequency of geological disasters,this paper proposed a stability analysis of earth rock dam slope under the environment of temperature stress coupling.In the environment of temperature stress coupling,according to the reliability of the earth rock dam slope in the limit state,the standard normal distribution of the reliability was obtained.The reliability of the earth rock dam slope was also calculated by using the reliability calculation formula of the earth rock dam slope.Based on the framework of the stability analysis calculation model of the earth rock dam slope,we established the conditions for the different mechanical characteristics of the earth rock dam slope.Therefore,the stability analysis model of the earth rock dam was realized through the design of the slope stability analysis process.The experimental results showed that the stability analysis method of the earth rock dam slope under the temperature stress coupling environment increased by 40.87% than that under the earthquake.
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