内容简介
DBJ/T 15-205-2020 备案号 J15444-2020轨道交通运营隧道结构安全评估技术规范
Technical standard for safety evaluation of operation tunnel structures in railtransit（预览版）
2021-02-01 实施
2020-12-02 发布
前 言
根据《广东省住房和城乡建设厅关于发布<2013年广东省工程建设标准制订和修订计划>的通知》（粤建科函〔2013〕1029号）的要求，规范编制组经广泛调查研究，积累了大量的技术资料，同时认真总结轨道交通隧道结构检测及评估实践经验，参考有关国内外先进标准，并在广泛征求意见的基础上，制定了本标准。本规范内容不涉及到任何专利。
本规范共7章 2个附录，主要技术内容包括∶总则、术语和符号、基本规定、健康检查、安全评定、安全复核计算、保护评估、附录A、附录B。
目 次
1 总 则................................................................................................................................1
2 术语................................................................................................................................. 2
3 基本规定..........................................................................................................................4
3.1 一般规定..................................................................................................................4
3.2 安全等级评定..........................................................................................................5
3.3 报告要求..................................................................................................................6
4 健康检查..........................................................................................................................8
4.1 一般规定..................................................................................................................8
4.2 隧道水害..................................................................................................................8
4.3 材质劣化..................................................................................................................9
4.4 结构缺损................................................................................................................10
4.5 结构变形................................................................................................................11
5 安全评定........................................................................................................................13
5.1 一般规定................................................................................................................13
5.2 隧道水害评定........................................................................................................13
5.3 材质劣化评定........................................................................................................15
5.4 结构缺损评定........................................................................................................17
5.5 结构变形评定........................................................................................................20
5.6 分项安全等级评定................................................................................................21
5.7 总体安全等级评定................................................................................................23
6 安全复核计算................................................................................................................25
6.1 一般规定................................................................................................................25
6.2 计算模型................................................................................................................25
6.3 计算复核................................................................................................................26
7 保护评估........................................................................................................................27
7.1 一般规定................................................................................................................27
7.2 保护要求................................................................................................................27
附录 A 隧道健康检查记录表...........................................................................................29
附录 B 隧道健康检查方法...............................................................................................30
B.1 隧道水害................................................................................................................30
B.2 材质劣化................................................................................................................31
B.3 结构缺损................................................................................................................32
B.4 结构变形................................................................................................................33
本规范用词说明................................................................................................................34
引用标准名录....................................................................................................................35
附：条文说明....................................................................................................................36