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截至2013年年底,我国公路隧道通车里程已由2003年年底的1001公里(2175座)增加至9605.6公里(11359座),我国已成为名副其实的隧道大国,迫切需要充分吸取养护经验对相关内容进行完善,提高对养护工作具体实施、操作的指导水平。因此,交通运输部在2011年启动了《公路隧道养护技术规范》JTGtH12—2003(以下简称《规范》)的修订工作。修订后的《规范》于2015年3月颁布实施,从土建结构、
As of the end of 2013, the mileage of road tunnels in our country increased from 1,001 km (2175) at the end of 2003 to 9,605.6 km (11,359 km). China has become a veritable tunnel powerhouse. There is an urgent need to draw lessons from conservation experience to improve the relevant content , Improve the concrete implementation of conservation work, the level of operational guidance. Therefore, the Ministry of Transport started the revision of JTG tH12-2003 (hereinafter referred to as the “Code”) of “Technical Specifications for Road Tunnel Maintenance” in 2011. The revised “Code” was enacted in March 2015, from the civil structure,