Safety evaluation method based on concrete surface temperature stress calculation

The invention discloses a safety evaluation method based on concrete surface temperature stress calculation, and relates to the technical field of water conservancy and hydropower engineering, and the method comprises the following steps: S1, calculating concrete surface temperature stress in an overwintering period by using a finite element method; s2, unfavorable working conditions are combined based on the concrete age, an unfavorable working condition set is obtained, and corresponding concrete surface temperature stress is calculated; s3, obtaining an anti-cracking safety coefficient corresponding to the concrete surface temperature stress, and comprehensively considering the concrete surface temperature stress caused by adverse working conditions; and S4, calculating the safety coefficient of the concrete through a comprehensive safety coefficient evaluation formula, and performing safety evaluation. According to the method, the surface temperature stress of the concrete in the winter break period can b