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在灌区水资源的优化配置中,渠道衬砌是减少输水过程损失的重要环节,渠道衬砌的防渗漏、防冻胀等成为水利工程设施中的难点问题,并且直接关系到农业灌溉工程的使用效益。本文介绍了景电灌区配套管网渠道衬砌的现状,分析了管网中渠道衬砌的破坏形式和特点,提出了维修和改建工程中抗冻胀的一些具体技术措施。
In the optimal allocation of water resources in irrigation area, channel lining is an important part to reduce the loss of water conveyance process. The anti-seepage and frost heaving prevention of canal linings have become difficult problems in water conservancy facilities and are directly related to the benefit of agricultural irrigation projects . In this paper, the current situation of canal lining in Jingdian Irrigation District is introduced. The destruction forms and characteristics of canal lining in pipeline network are analyzed. Some specific technical measures for preventing frost heaving in maintenance and reconstruction project are put forward.