DB62∕T 25-3073-2013 混凝土结构耐久性设计规范

DB 甘肃省地方标准 DB62/T25-3073-2013 备案号：J12522-2013 混凝土结构耐久性设计规范 Code for durability design of concrete structures 2013-08-13 发布 2013-12-01 实施 甘肃省住房和城乡建设厅 甘肃省质量技术监督局 联合发布 甘肃省地方标准 混凝土结构耐久性设计规范 DB62/T25—3073-2013 主编单位：甘肃土木工程科学研究院 批准部门：甘肃省住房和城乡建设厅 甘肃省质量技术监督局 执行日期：2013年12月1日 2013 兰州 甘肃省住房和城乡建设厅 文件 甘肃省质量技术监督局 甘建标〔2013〕403号 甘肃省住房和城乡建设厅 甘肃省质量技术监督局 关于批准发布《混凝土结构耐久性设计规范》 为甘肃省地方标准的通知 各市(州)建设局、质量技术监督局，兰州新区规划建设局，省直有关厅局，省标准化研究院，各勘察、设计、施工、监理单位，施工图审查机构： 由甘肃土木工程科学研究院主编的《混凝土结构耐久性设计规范》，已经甘肃省住房和城乡建设厅、甘肃省质量技术监督局共同审定，现批准为甘肃省地方标准，编号为DB62/T25—3073—2013，自2013年12月1日起实施。 本标准由甘肃省工程建设标准管理办公室负责管理，并委托甘肃建筑标准图发行站出版发行。 甘肃省住房和城乡建设厅 甘肃省质量技术监督局 2013年8月13日 3 前 言 根据甘肃省住房和城乡建设厅《关于下达<2011年甘肃省工程建设标准及标准设计编制计划>的通知》(甘建标[2011]12号)的要求制定，编制组在编制过程中深入研究了甘肃省混凝土结构耐久性的现状，认真总结了已有的混凝土结构耐久性的经验和教训，经广泛调查，认真总结实践经验，参考有关国内相关标准和国外先进标准，并在广泛征求意见的基础上，制订本规范。 本规范的主要技术内容：1.总则；2.术语和符号；3.基本规定；4.一般环境；5.冻融环境；6.盐渍土环境；7.混凝土耐久性施工要求、检测。 本规范由甘肃省工程建设标准管理办公室负责管理，由甘肃土木工程科学研究院负责编制和具体技术内容的解释。执行过程中如发现需要修改和补充之处，请随时将意见和建议反馈至甘肃土木工程科学研究院《混凝土结构耐久性设计规范》编制组（地址：甘肃省兰州市城关区段家滩路1188号，邮编：730020；E-mail：hitting@163.com），以供今后修订时参考。 主编单位：甘肃土木工程科学研究院 参编单位：兰州理工大学 主要起草人：何忠茂 宁作君 杜 雷 张 慢 董小丽 蔡 肖 苏富赟 侯文虎 王永亮 王 岩 乔红霞 王惠玲 白永昇 主要审查人：吴 庸 李德荣 邵文忠 师 杰 王洪镇 王大军 曹万智 4 目 次 1 总则 ··········································································································· 1 2 术语和符号 ······························································································· 2 2.1 术语 ··································································································· 2 2.2 符号 ··································································································· 3 3 基本规定 ··································································································· 4 3.1 一般规定 ··························································································· 4 3.2 混凝土结构耐久性设计内容 ······························································· 4 3.3 结构设计使用年限 ··············································································· 5 3.4 环境类别与作用等级 ··········································································· 5 3.5 材料选用基本要求 ··············································································· 6 3.6 结构构造基本要求 ··············································································· 8 3.7 施工质量的附加要求 ··········································································· 9 4 一般环境 ································································································· 10 4.1 一般规定 ························································································· 10 4.2 环境作用等级 ··················································································· 10 4.3 材料选用基本要求 ··········································································· 11 5 冻融环境 ································································································· 12 5.1 一般规定 ························································································· 12 5.2 环境作用等级 ··················································································· 12 5.3 材料选用基本要求 ··········································································· 14 6 盐渍土环境 ····························································································· 16 6.1 一般规定 ························································································· 16 6.2 环境作用等级 ··················································································· 16 5