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二郎山隧道为单洞双向行驶 ,营运通风设计十分复杂 ,通风工程费用也十分昂贵。初步设计审查时 ,虽然增加了营运通风的技术设计阶段 ,但还是存在一些问题值得进一步探讨。本文即从川藏线的交通实际情况出发 ,采取加强交通管理的方法 ,以期达到降低通风工程造价和营运耗能费用的目的。同时 ,也对《公路隧道设计规范》中有关通风设计的一些条文 ,提出进一步研究的建议。
The Erlangshan Tunnel is a two-way tunnel with single holes. The ventilation design for operation is very complicated and the ventilation engineering costs are also very expensive. During the preliminary design review, although the technical design phase of operational ventilation was added, some problems still deserved to be further explored. Based on the actual traffic conditions of Sichuan-Tibet line, this paper adopts the method of strengthening traffic management in order to achieve the purpose of reducing the cost of ventilation engineering and operating energy consumption. At the same time, some suggestions on ventilation design in “Code for Design of Highway Tunnels” are also put forward for further study.