【摘要】 龙潭隧道系沪蓉国道主干线宜昌至恩施公路上的特长隧道,长约2×8.7 km,是控制全线工期的重点工程,其运营通风又是整个设计中的关键一环。文章结合工程实际情况,从通风、防灾救援和施工组织等因素综合考虑,介绍了通过技术经济比选确定的相对可靠、经济实用的运营通风方式。更多还原

【Abstract】 Longtan tunnel under construction is a super long twin-bore tunnel,about 2 8.7km in length,on the main route of Shanghai-Sichuan national highway from Yichang to Enshi.The operation ventilation system of the tunnel is worthy of elaborate study.Considering the requirements of ventilation,hazard preventing,rescue process,construction method and other factors,this paper presents a considerably workable and economical ventilation option on the basis of technical and economical comparisons.更多还原