CAO Yi ning,DONG Yong hong.Design of Sewage Pipe and Important Nodes of Urban Utility Tunnel[J].China Water & Wastewater,2018,34(20):67-41.
城市综合管廊入廊污水管道及重要节点的设计
- Title:
- Design of Sewage Pipe and Important Nodes of Urban Utility Tunnel
- 文章编号:
- 1000-4602(2018)20-0067-05
- 分类号:
- TU990.3
- 文献标志码:
- C
- 摘要:
- 以福建平潭坛西大道南段综合管廊工程为例，探讨城市综合管廊入廊污水管道及重要节点的设计。考虑到廊内污水管的敷设特点及污水渗漏的危害，入廊重力流污水管道应采用接口密闭性能好、强度高的防腐蚀性压力管用管材；污水支管接入及变坡点处均设伸顶直筒井并设置通气孔，通气孔引至廊外绿化带以上50 cm，伸顶井间距不大于120 m、直径不小于1 000 mm，以方便管道清通设备的使用；对于进料口转换层，净高应不小于2.5 m，以方便设置电动起重装置运送材料；如果综合舱与电力舱共用转换层，转换层应根据与舱室的连通位置以特级防火卷帘及甲级防火门进行防火分隔。
- Abstract:
- Taking the utility tunnel project in the south section of Pingtan Western Avenue in Fujian Province as an example, the design of sewage pipe and important nodes in urban utility tunnel was discussed. Considering the installation characteristics of the sewage pipe and the danger of wastewater leakage in the tunnel, the pipe with advantages of anticorrosion, pressure, good sealing performance and high strength should be adopted as the gravity flow sewage pipe in the tunnel. Manholes directly to the ground and vent holes were set up in sewage branch pipe access and slope change point. In order to ensure the pipeline clearing equipment working well, the vent holes were introduced to the 50 cm above the greening belt outside the tunnel, the distance between the manholes was not more than 120 m, and the diameter was not less than 1 000 mm. For the feed port transfer floor, the net height should be no less than 2.5 meters to facilitate the installation of the electric lifting device to transport the material. If the transfer layer was shared between the composite and electric compartments, the fire partition area was separated by topgrade antifire rolling curt and A class fireproof door in the transfer floor.
参考文献/References:
［1］GB 50838—2015,城市综合管廊工程技术规范［S］. 北京:中国计划出版社,2015.GB 50838-2015,Technical Code for Urban Utility Tunnel Engineering［S］. Beijing:China Planning Press,2015(in Chinese).
［2］李德强. 综合管沟设计与施工［M］. 北京:中国建筑工业出版社，2009.Li Deqiang. Design and Construction of Urban Utility Tunnel［M］. Beijing:China Architecture & Building Press,2009(in Chinese).
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备注/Memo
作者简介：曹益宁（1969-），男，湖南益阳人，本科，高级工程师,主要从事给排水、综合管廊、水环境工程等的设计及咨询工作。
E-mail:caoyn02@126.com
收稿日期：2018-07-04