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据统计至2006年底,江西省共建成或基本建成各类水库9782座,其中小型水库9519座,但是,这些小型水库中大部分建于上世纪50～70年代,由于当时特殊的历史环境和技术条件,边勘察、边设计、边施工的工程居多,加上后天管护不力等因素,造成许多水库成为病险水库。本文阐述了粘土截水槽在土石坝坝基防渗加固中的应用以及粘土截水槽的施工方法和技术。
According to statistics, by the end of 2006, a total of 9782 reservoirs of all kinds have been built or basically completed in Jiangxi Province, of which 9519 are small reservoirs. However, most of these small reservoirs were built in the 1950s and 1970s. Due to the special historical environment and technology Conditions, while reconnaissance, edge design, construction of the majority of construction projects, coupled with the acquired protection and other factors, resulting in many reservoirs become a dangerous reservoir. This paper describes the application of clay cutoff in anti-seepage reinforcement of earth-rock dam foundation and the construction methods and techniques of clay cut-off.