DB34/T 3677-2020 公路桥梁维修与加固质量检验评定标准
简介
DB34/T 3677-2020
公路桥梁维修与加固质量检验评定标准
Inspection and Evaluation Quality Standards for maintenance and reinforcement of Bridges
2020-09-03实施
2020-08-03发布 目 次 前言 ...............................................................................1 1 范围 .............................................................................. 1 2 规范性引用文件 .................................................................... 1 3 术语和定义 ........................................................................ 1 4 基本规定 .......................................................................... 2 4.1 一般规定 ...................................................................... 3 4.2 质量检验 ...................................................................... 3 4.3 质量评定 ...................................................................... 4 5 一般维修与加固 .................................................................... 4 5.1 混凝土裂缝修补 ................................................................ 4 5.2 混凝土表层缺陷修补 ............................................................ 5 5.3 混凝土涂装维修 ................................................................ 5 5.4 支座维修与更换 ................................................................ 6 5.5 伸缩缝维修与更换 .............................................................. 7 5.6 桥面铺装维修 .................................................................. 8 5.7 其他附属设施维修 .............................................................. 9 5.8 粘贴钢板加固 ................................................................. 10 5.9 粘贴纤维复合材料加固 ......................................................... 11 6 梁桥加固 ......................................................................... 11 6.1 桥面补强加固 ................................................................. 11 6.2 增大截面加固 ................................................................. 12 6.3 体外预应力加固 ............................................................... 13 6.4 改变结构体系加固 ............................................................. 14 7 缆索承重桥加固 ................................................................... 15 7.1 一般规定 ..................................................................... 15 7.2 斜拉索更换 ................................................................... 15 7.3 吊杆、系杆更换 ............................................................... 16 7.4 主缆防护 ..................................................................... 17 7.5 锚碇加固 ..................................................................... 17 8 拱桥加固 ......................................................................... 18 8.1 一般规定 ..................................................................... 18 8.2 圬工拱桥加固 ................................................................. 18 8.3 系杆拱桥加固 ................................................................. 19 8.4 钢筋混凝土拱桥加固 ........................................................... 19 9 钢桥及钢-混组合梁桥加固 ........................................................... 23 9.1 一般规定 ...................................................................... 23 9.2 焊接加固 ...................................................................... 23 9.3 栓接加固 ...................................................................... 24 9.4 裂纹修复与加固 ................................................................ 25 9.5 钢结构涂装 .................................................................... 25 9.6 更换（增加）构件 .............................................................. 26 10 基础及下部结构加固 ...............................................................26 10.1 一般规定 ..................................................................... 26 10.2 盖梁（台帽）加固 ............................................................. 27 10.3 墩（台）身套箍加固 ........................................................... 28 10.4 增设（更换）钢筋混凝土挡块 ................................................... 28 10.5 桥台加固 ..................................................................... 29 10.6 增大基础加固 ................................................................. 31 10.7 承台加固 ..................................................................... 31 10.8 桩基加固 ..................................................................... 32 10.9 地基加固 ..................................................................... 35 附录 A（规范性附录） 单位、分部及分项工程的划分及检查内容表 .......................... 37 附录 B（规范性附录） 结构混凝土外观质量限制缺陷 ...................................... 39 附录 C（规范性附录） 喷射混凝土抗压强度评定 .......................................... 41
DB34/T 3677-2020
公路桥梁维修与加固质量检验评定标准
Inspection and Evaluation Quality Standards for maintenance and reinforcement of Bridges
2020-09-03实施
2020-08-03发布 目 次 前言 ...............................................................................1 1 范围 .............................................................................. 1 2 规范性引用文件 .................................................................... 1 3 术语和定义 ........................................................................ 1 4 基本规定 .......................................................................... 2 4.1 一般规定 ...................................................................... 3 4.2 质量检验 ...................................................................... 3 4.3 质量评定 ...................................................................... 4 5 一般维修与加固 .................................................................... 4 5.1 混凝土裂缝修补 ................................................................ 4 5.2 混凝土表层缺陷修补 ............................................................ 5 5.3 混凝土涂装维修 ................................................................ 5 5.4 支座维修与更换 ................................................................ 6 5.5 伸缩缝维修与更换 .............................................................. 7 5.6 桥面铺装维修 .................................................................. 8 5.7 其他附属设施维修 .............................................................. 9 5.8 粘贴钢板加固 ................................................................. 10 5.9 粘贴纤维复合材料加固 ......................................................... 11 6 梁桥加固 ......................................................................... 11 6.1 桥面补强加固 ................................................................. 11 6.2 增大截面加固 ................................................................. 12 6.3 体外预应力加固 ............................................................... 13 6.4 改变结构体系加固 ............................................................. 14 7 缆索承重桥加固 ................................................................... 15 7.1 一般规定 ..................................................................... 15 7.2 斜拉索更换 ................................................................... 15 7.3 吊杆、系杆更换 ............................................................... 16 7.4 主缆防护 ..................................................................... 17 7.5 锚碇加固 ..................................................................... 17 8 拱桥加固 ......................................................................... 18 8.1 一般规定 ..................................................................... 18 8.2 圬工拱桥加固 ................................................................. 18 8.3 系杆拱桥加固 ................................................................. 19 8.4 钢筋混凝土拱桥加固 ........................................................... 19 9 钢桥及钢-混组合梁桥加固 ........................................................... 23 9.1 一般规定 ...................................................................... 23 9.2 焊接加固 ...................................................................... 23 9.3 栓接加固 ...................................................................... 24 9.4 裂纹修复与加固 ................................................................ 25 9.5 钢结构涂装 .................................................................... 25 9.6 更换（增加）构件 .............................................................. 26 10 基础及下部结构加固 ...............................................................26 10.1 一般规定 ..................................................................... 26 10.2 盖梁（台帽）加固 ............................................................. 27 10.3 墩（台）身套箍加固 ........................................................... 28 10.4 增设（更换）钢筋混凝土挡块 ................................................... 28 10.5 桥台加固 ..................................................................... 29 10.6 增大基础加固 ................................................................. 31 10.7 承台加固 ..................................................................... 31 10.8 桩基加固 ..................................................................... 32 10.9 地基加固 ..................................................................... 35 附录 A（规范性附录） 单位、分部及分项工程的划分及检查内容表 .......................... 37 附录 B（规范性附录） 结构混凝土外观质量限制缺陷 ...................................... 39 附录 C（规范性附录） 喷射混凝土抗压强度评定 .......................................... 41
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