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盾构隧道底部疏散通道加压送风系统现场测试及优化研究
收稿日期: 2015-09-28
修回日期: 2015-11-04
网络出版日期: 2017-03-04
Study of Testing and Optimization of Pressurized Air Supply System at Bottom of Shield Tunnel Evacuation Gallery
Received date: 2015-09-28
Revised date: 2015-11-04
Online published: 2017-03-04
陈玉远 . 盾构隧道底部疏散通道加压送风系统现场测试及优化研究[J]. 隧道建设, 2017 , 37(2) : 135 -140 . DOI: 10.3973/j.issn.1672-741X.2017.02.003
The effectiveness of smoke discharge and air supply of evacuation gallery are the keys to personnel safety. Field test is carried out to verify the effectiveness of pressurized air supply system of evacuation gallery of a typical shield tunnel. The optimized scheme of arrangement of pressurized air supply vents is proposed; the false air volume is reduced by 25%; and the optimized scheme is simulated by CFD software. Two separation walls are set on bottom of roadway, so as to form closed slide room and independent evacuation gallery and further improve the safety of the system.
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