1 前言坝袋拉力是橡胶坝的重要设计参数,强度安全是坝袋设计的重要技术指标,现有设计规范建议设计拉力可按非溢流条件计算;但对溢流状态,坝袋单宽拉力与同坝高非溢流状态下的值显然是不同的,特别是经常处于溢流工况的坝袋,以非溢流的情况设计是不合实际的。由于在溢流情况下对坝袋单宽拉力的计算方法尚缺乏充分的研 1 Preface Dam bag tension is an important design parameter of rubber dam. Strength and safety is an important technical indicator of dam bag design. The existing design code suggests that the design tensile force can be calculated according to non-flooding condition. However, for overflow condition, It is obviously different from the value under the non-overflow condition with the dam height, especially the dam bag often in the overflow condition is not realistic to design in the non-overflow condition. Due to the lack of sufficient research on the calculation method of single-width pull of dam bag under the overflow condition