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针对龙滩碾压混凝土坝的特点,计算了坝体混凝土在不同浇筑方案下的温度和温度应力。根据应力分析的结果,提出了合理的温控标准和相应的温控措施。研究了坝体混凝土浇筑过程长间歇情况下的应力规律。另外还研究了坝体混凝土与防渗面板异步上升施工情况下,不同长度面板和在不同施工条件下的温度应力和防裂条件。
According to the characteristics of Longtan RCC dam, the temperature and temperature stress of dam concrete under different pouring schemes are calculated. According to the result of stress analysis, a reasonable temperature control standard and corresponding temperature control measures are put forward. The stress law of the dam concrete pouring process is studied. In addition, the temperature stress and anti-cracking conditions of different length panels and under different construction conditions are also studied under the condition of asynchronously rising construction of dam concrete and anti-seepage panels.