【摘要】 预制混凝土矩形渠按生产、安装工艺分为整体式预制混凝土矩形渠和拼接式预制混凝土矩形渠,其单体长度2000mm,是传统的渠道防渗结构U形渠、梯形渠升级换代产品。在相同的过流能力条件下,矩形渠具有占地少,输水、节水效率高等优点。多种型号产品可适合不同的过流断面需求,满足各级灌排渠道工程需要,为高标准农田建设提供技术保障。更多还原

【Abstract】 According to the production,installation process,precast concrete rectangular channel is divided into integral precast concrete rectangular channel and spliced precast concrete rectangular channel,its monomer length 2000 mm,it is the a good substitute of traditional U-shape channel and ladder type channel.Under the same flow capacity,it has the advantages of less land occupation,high water saving efficiency and so on.There are various types of products which are suitable for different flow section and it can meet the engineering needs at all levels of irrigation and drainage channels,as well as provide technical support for the construction of high standard farmland.更多还原