Durability of post-tensioned system was crucial to ensure the durability of prestressed concrete structures. Combined with the relevant design codes,the article described the newly added acceptance requirements for durability of post-tensioned system in GB 50204-2015.%后张预应力体系的耐久性对保证预应力混凝土结构的耐久性至关重要.本文结合相关设计规范的规定,解释了《混凝土结构工程施工质量验收规范》(GB 50204-2015)中对后张预应力体系耐久性的新增验收要求.
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