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前言《地铁设计规范》规定,地铁的主体结构工程设计使用年限为100年。沈阳是东北地区第一个建设地铁的城市,全部采用地下线路,在沈阳地区地下结构如何确保100年,混凝土是关键。为此沈
Foreword “Metro Design Code” provides that the main structure of subway design life of 100 years. Shenyang is the first city in northeast China to build a subway. All the underground lines are used. In the Shenyang area, how to ensure 100 years of underground structure, concrete is the key. For this Shen