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1 问题的提出为了充分开发和利用重庆天然气资源优势,增加天然气的储备和输送能力,重庆市加强了天然气的管网建设,而长江第一过江隧道天然气管道的施工,是整个管网建设中最关键的控制工程。按常规天然气管线一般采用架空跨越、沿桥建设、或将管道埋入河床等,施工经验较为成熟。而本文提出的施工是在长江下打隧道,管线沿隧道敷
1 Proposal In order to fully exploit and utilize the advantage of natural gas resources in Chongqing and increase the natural gas storage and transportation capacity, Chongqing Municipality has strengthened the construction of natural gas pipelines. The construction of the natural gas pipeline of the First Yangtze River Tunnel in the Yangtze River is the construction of the entire pipe network The most critical control project. According to the conventional natural gas pipeline generally used overhead, along the bridge construction, or pipe buried in the riverbed, the construction experience is more mature. The construction proposed in this paper is to hit the tunnel under the Yangtze River and the pipeline is laid along the tunnel