2014年6月下 施工技术 第43卷第12期 CONSTRUCTION TECHNOLOGY 59 D0I:10.7672/5js2014120059 茨哈峡隧道通风排烟设计及施工 丰章清，段琳 (武警水电第二总队第五支队，江苏常州213135) [摘要]通过对茨哈峡隧道通风排烟原设计与现实施工进行研究，得出高原隧道通风设计时必须考虑一定的降效 系数.同时由于该隧道单向贯通约3.5km 属于超长隧道，施工中通过对采用施工通风竖井排烟方案与大功率风 机抽压混合排烟方案进行经济及工期对比，最终确定采用满足要求的大功率风机压抽混合式通风排烟方案.通过 施工中的观测，得出大功率风机应用于超长隧道通风排烟切实可行. [关键词]隧道；通风排烟；风机；设计；施工 [中图分类号]U453.5 [文献标识码]A [文章编号]1002-8498(2014)12-0059-03 Design and Construction of Ventilation and Smoke Discharge in Cihaxia Tunnel Feng Zhangqing Duan Lin No.5 Detachment of No.2 Hydropower Force of Armed Police Changzhou Jiangsu 213135 China) Abstract:The design and construction of the ventilation and smoke discharge of Cihaxia Tunnel is researched and the conclusion is obtained that the reduction coefficient must be considered in the ventilation design at the plateau area.At the same time because of the length of the tunnel is about 3.5km belonging to the super-long tunnel through paring the construction ventilation and smoke discharge shaft scheme with high power pressure-pumping smoke discharge mixed programme in economic and time the high power pressure-pumping hybrid ventilation and smoke discharge scheme is ultimately determined to be used.Through the observation in the construction the application of high power fan using in the long tunnel to ventilation is practical. Key words:tunnels;ventilation;wind turbines;design;construction 1工程概况 按照2km配置，施工中发现所配备设备不能满足要 黄河茨哈峡水电站为黄河干流龙羊峡以上、海 求，同时由于出口征地未能解决，隧道由双向掘进 拔3000m以下河段水电（调整）规划的第1个梯级 变更为单向掘进，单向掘进长...
茨哈峡隧道通风排烟设计及施工-.pdf
