【摘要】 介绍了渠道防渗材料的种类及断面形式,论述了渠道衬砌设计中常用的防冻胀措施及设计时应注意的问题,提出渠道防渗是实行节水灌溉,提高渠水利用系数的主要措施。更多还原

【Abstract】 It introduces the specifics and the form of section of tunnel water tight material,discusses the frost-resistant steps that common used in the design of tunnel liner and the problems should attention in the design,and puts forward that it is the main steps to water saving irrigation and increase the water utility coefficient of tunnel water tight.更多还原