DB/T29-320-2025 天津市建筑工程消能减震隔震技术规程

天津市工程建设标准
天津市建筑工程消能减震隔震技术规程
Technical specification for energy dissipation and seismic isolation in building engineering in Tianjin
DB/T 29-320-2025
J18024-2025
主编单位：天津市地震局
天津大学建筑设计规划研究总院有限公司
天津市建工工程总承包有限公司
批准部门：天津市住房和城乡建设委员会
实施日期：2025年04月01日
2025 天 津



目 次
1 总则................................................................................................................... 1
2 术语和符号 ....................................................................................................... 2
2.1 术语 ...................................................................................................... 2
2.2 主要符号 .............................................................................................. 5
3 基本规定 ........................................................................................................... 7
3.1 一般要求 .............................................................................................. 7
3.2 场地和地基基础 ................................................................................... 9
3.3 结构分析 ............................................................................................ 10
3.4 材料、施工及耐久性 ......................................................................... 10
3.5 试验、维护及监测 ............................................................................. 11
4 抗震性能化设计 ..............................................................................................13
4.1 一般规定 ............................................................................................ 13
4.2 结构抗震性能化设计 ......................................................................... 14
4.3 非结构构件抗震设计 ......................................................................... 21
5 地震作用与作用效应 ......................................................................................22
5.1 一般规定 ............................................................................................ 22
5.2 地震作用计算 ..................................................................................... 23
5.3 截面抗震验算 ..................................................................................... 29
6 消能器的技术性能 ..........................................................................................31
6.1 一般规定 ............................................................................................ 31
6.2 金属消能器......................................................................................... 32
6.3 屈曲约束支撑 ..................................................................................... 34
6.4 摩擦消能器......................................................................................... 36
6.5 黏滞消能器......................................................................................... 38
6.6 黏弹性消能器 ..................................................................................... 41
6.7 性能检验 ............................................................................................ 43
7 消能减震结构设计 ..........................................................................................46
7.1 一般规定 ............................................................................................ 46
7.2 消能器恢复力模型及参数 ................................................................. 48
7.3 附加阻尼比及等效刚度 ..................................................................... 48
7.4 消能部件设计 ..................................................................................... 51
7.5 主体结构设计 ..................................................................................... 53
7.6 消能子结构设计 ................................................................................. 54
8 消能部件的连接 ..............................................................................................56
8.1 一般规定 ............................................................................................ 56
8.2 连接计算 ............................................................................................ 56
8.3 连接构造 ............................................................................................ 57
9 隔震支座 ..........................................................................................................59
9.1 一般规定 ............................................................................................ 59
9.2 支座 .................................................................................................... 60
9.3 材料 .................................................................................................... 61
9.4 设计规定 ............................................................................................ 63
9.5 力学性能要求 ..................................................................................... 66
9.6 检验规则