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水工隧洞衬砌在内水压力作用下的限裂问题,在目前沿用的规范中虽曾提出,但设计计算方法尚值得讨论。就我们所知,目前在这方面除广东、昆明等院进行过大量工作外,尚无成熟完善的方法。万体德同志总结其多年来从事这方面的工作,提出了双筋砼衬砌的限裂计算方法,对现行规范中有关这方面问题进行了一些对比、分析,并提出了一些不同观点,可供在设计中研究参考。欢迎读者对此进行讨论和提出意见,使得隧洞衬砌的限裂设计逐步更臻完善,进一步节约隧洞衬砌材料,降低工程造价。
Limitations of hydraulic tunnel linings under internal water pressure have been proposed in the current codes, but the design and calculation methods are still worth discussing. As far as we know, there are no mature and perfect methods for doing so in this area except for the large number of homes in Guangdong and Kunming. Comrade Wan Dekman summed up his work in this field for many years and put forward a method to calculate the limit cracking of the double-rib concrete lining. Some contrastive analyzes were made on the existing problems in this respect, and some different opinions were put forward In the design of research reference. Welcome readers to discuss and make comments, making the tunnel lining crack design gradually improve, further saving the tunnel lining material, reduce project cost.