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    液压钢坝使用寿命及用途

    发布时间:2019-10-11  浏览:255次  字号:  

      钢坝使用寿命

      Service life of steel dam

      钢坝的设计使用寿命可达50~60年,当前国际上最长寿命的钢性闸门为近百年。国内最早的福建小溪电站为1958年建成至今仍在使用,同样的钢结构在解放前就开始使用一直运用至今的案例到处都有。而权威部门根据室内测试资料和工程实践初步判定橡胶坝的使用寿命10~15年就必须更换一次坝袋。至今国内第di一条橡胶坝的寿命未超过15年,上世纪我国东北地区建的许多橡胶坝已拆除,2005年位于广西东笋电站建的橡胶坝也已拆除改建钢性闸门。一次钢坝,景观液压钢坝,pm钢闸门,水坝闸门的投资等于四次橡胶坝的投资(中间坝袋要换需要大量建设辅助工作不算)。

      The design service life of steel dam can reach 50 ~ 60 years. The earliest xiaoxi power station in fujian was built in 1958 and is still in use today. The same steel structure has been in use since before liberation and there are cases everywhere. According to the laboratory test data and engineering practice, the authorities preliminarily determine the service life of rubber dam 10 ~ 15 years must be replaced once dam bag. Up to now, the life of the first di rubber dam in China has not exceeded 15 years. Many rubber DAMS built in northeast China in the last century have been removed. The investment of primary steel dam, landscape hydraulic steel dam, PM steel gate and dam gate is equal to the investment of four rubber DAMS (the replacement of intermediate dam bag requires a lot of auxiliary work).

    钢坝闸门

      液压钢坝用途

      Use of hydraulic steel dam

      液压钢坝闸是一种新型可调空控溢流闸门,它有土建结构、带固定轴的钢闸门门体、启闭设备等组成。这种建筑物适合于闸孔较宽(10米~~100米)而水位差比较小的工况(1~~7米),由于它可以设计的比较宽,可以省去数孔闸墩,所以不仅结构简单,可以节省不少土建投资,而且可以立门蓄水,卧门行洪排涝,适当开启调节水位,还可以利用闸门门顶过水,形工瀑布的景。

      Hydraulic steel dam gate is a new type of adjustable air-controlled overflow gate, which consists of civil structure, steel gate body with fixed shaft, opening and closing equipment, etc. Suitable for the building gate opening wider (10 m ~ 100 m) and the operation condition of the water level difference is small (1 ~ 7 meters), because it can design is wide, can save several holes sluice pier, so not only has simple structure, can save a lot of construction investment, and can establish door storage, lie the door the flood drainage, appropriate to open to adjust water level, gate can be used to water, form work falls.

      闸门用于关闭和开放泄(放)水通道的控制设施。水工建筑物的重要组成部分,可用以拦截水流,控制水位、调节流量、排放泥沙和飘浮物等。闸门一般由活动部分(也称门叶)、埋固部分和启闭机械3部分组成。门叶包括:承重结构、行走支承、支臂、支铰、止水装置、吊耳等。埋固部分包括:轨道、铰座、止水座、护角等。常用的启闭机械有:卷扬式、油压式、螺杆式和式机械。

      A control device for closing and opening a discharge passage. An important part of a hydraulic structure that can be used to intercept water flow, control water level, regulate flow, discharge sediment and floating matter. The gate is generally composed of three parts: the movable part (also known as the gate blade), the embedded solid part and the lifting and closing machinery. Leaf includes: bearing structure, walking support, arm, hinge, stop water device, lifting lug, etc. Embedded solid part includes: track, hinge seat, water stop seat, Angle protection, etc. Commonly used opening and closing machinery: wind-up type, oil pressure type, screw type and type machinery.

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