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全国渠道防渗网(北方片)及全国水工抗冻网(西北片)渠道防渗抗冻害技术经验交流会于1988年10月13～16日在银川市召开。会上主要交流了近年来在渠道防渗和防治冻胀方面的技术经验,既有试验研究成果、设计技术,也有施工经验以及新技求、新材料的推广应用。从交流的情况看,近年来,在渠道防渗和防冻胀方
The National Channel Anti-seepage Network (North Section) and the National Hydraulic Anti-freeze Network (Northwest Section) Channel Anti-freezing and Anti-freezing Technology Experience Sharing Conference was held in Yinchuan City from October 13 to October 1988. The anti- At the meeting, the main exchange of technical experience in the channel seepage control and prevention of frost heave in recent years, both experimental research results, design techniques, construction experience and new skills, the promotion of the application of new materials. From the exchange of view, in recent years, seepage prevention and anti-frost expansion side