新安江水力发电厂▽38坝前引水管改造

Construction Machinery For Hydraulic Engineering & Power Station(2004)

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Abstract
部分早期建造的水电站的技术供水管道用的是铸铁管,对于无法更换的部分一旦出现裂纹很难处理.新安江水电厂坝前引水管改造中,在铸铁管外面增设一层按密封承压设计的新钢管,并在新、旧钢管之间灌注填料,这为老电站铸铁管的改造提供了一种有效方法.
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