龙潭特长公路隧道营运通风方案比较

Comparison of Different Operation Ventilation Options for Longtan Super-long Highway Tunnel

建设中的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,其营运通风系统值得认真研究。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,经技术经济比选,确定了技术相对可靠、经济较省的营运通风方式。

Longtan tunnel under construction is a super-long highway tunnel of about 2 × 8.7km length on Yichang - Enshi section of the national highway from Shanghai to Chengdu. The operation ventilation system of Longtan tunnel requires careful researches. On basis of the actual conditions of the tunnel, a technically-reliable and cost-effective opera- tion ventilation option is determined for the tunnel by means of technic and economic comparisons in terms of ventilation efficiency, disaster prevention, emergency rescue and construction convenience.