In this article, the author briefly discusses the da-m’s technical applications of seepage control and analysis the causes of cracks, thus put forward several prevention measure-s of cracks in the construction.% 本文简要地探讨了堤坝在防渗中的技术应用，并对其产生裂缝的原因进行了一定的分析，从而相应地提出了几点施工过程中的裂缝防治措施。
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