隧道区间排水内置泵房存在问题及对策分析  

Problem Analysis of Tunnel Interval Drainage Built-in Pump Stationand Countermeasures

作　　者：秦银刚[1] QIN Yingang(Tianjin Metro Group Co.,Ltd.,300011,Tianjin,China)

机构地区：[1]天津市地下铁道集团有限公司,天津300011

出　　处：《城市轨道交通研究》2020年第9期118-120,124,共4页Urban Mass Transit

摘　　要：为减少地铁隧道区间联络通道外挂式排水泵房(站)施工风险,可将外挂形式改为在区间隧道内设置。针对既有内置式泵房运营情况进行了调研,发现存在中心排水沟积水、钢轨及扣件锈蚀、浮置板道床段钢弹簧锈蚀、道床混凝土劣化及水泵损坏率高等病害问题。对不同类型道床段的病害现象潜在危害及形成原因逐一进行分析,针对这些病害,在设计阶段给出相应的对策。In order to reduce the construction risks of building the drainage pump room(or station)outside the metro tunnel interval connection passage,pump station can be built inside the interval tunnel to replace the external one.With an investigation on the operation situation of the existing built-in drainage pump station,some tunnel diseases are detected such as central drainage sediment,corrosion of rail and fastener,corrosion of steel spring in floating bed section,deterioration of track bed concrete,high rate of pump damage and so on.Potential hazards and disease forming causes in different types of track bed segments are analyzed one by one,corresponding countermeasures at the design stage are proposed.

关 键 词：地铁隧道 排水 内置式泵房 

分 类 号：U453.6[建筑科学—桥梁与隧道工程]