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qian tan guan jing shi gong ji yun xing guan li dui guan jing shou ming de ying xiang
Author(s): 
Pages: 255-256
Year: Issue:  5
Journal: RAILWAY OCCUPATIONAL SAFETY HEALTH & ENVIRONMENTAL PROTECTION

Keyword:  管井施工运行维护管井寿命;
Abstract: 铁路供水的特点是点多线长,新开凿管井投资高达50~60万元左右,因此,延长管井使用寿命,节约新建投资,提高经济效益是当前的重要问题.而管井的施工质量及运行维护管理的正确与否将影响其寿命.总结了施工中应注意的问题如填砾厚度、填砾粒径的均匀性、填砾层施工方法、滤水管制作等,并对管井运行维护管理应注意的问题提出了具体要求.
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