本规范共分13 章和2 个附录,主要技术内容包括2 总则、术语和符号、基本规定、材料、钢筋混凝土面层加固法、钢筋网水泥砂浆面层加固法、外包型钢加固法、外加预应力撑杆加固法、粘贴纤维复合材加固法、钢丝绳网-聚合物改性水泥砂浆面层加固法、增设砌体扶壁柱加固法、砌体结构构造性加固法、砌体裂缝修补法。
GB50702-2011······1
1 总则······13
2 术语和符号······14
2.1 术语······14
2.2 符号······15
3 基本规定······17
3.1 一般规定······17
3.2 设计计算原则······18
3.3 加固方法及配合使用的技术······20
4 材料······22
4.1 砌筑材料······22
4.2 混凝土原材料······22
4.3 钢材及焊接材料······23
4.4 钢丝绳······25
4.5 纤维复合材······26
4.6 结构胶粘剂······28
4.7 聚合物改性水泥砂浆······28
4.8 气体裂缝修补材料······30
4.9 防裂用短纤维······31
5 钢筋混凝土面层加固法······33
5.1 一般规定······33
5.2 砌体受压加固······34
5.3 砌体抗剪加固······37
5.4 砌体抗震加固······37
5.5 构造规定······38
6 钢筋网水泥砂浆面层加固法······40
6.1 一般规定······40
6.2 砌体受压加固······40
6.3 砌体抗剪加固······43
6.4 砌体抗震加固······43
6.5 构造规定······44
7 外包型钢加固法······47
7.1 一般规定······47
7.2 计算方法······47
7.3 构造规定······49
8 外加预应力撑杆加固法······51
8.1 一般规定······51
8.2 计算方法······52
8.3 构造规定······54
9 粘贴纤维复合材加固法······56
9.1 一般规定······56
9.2 砌体抗剪加固······57
9.3 砌体抗震加固······59
9.4 构造规定······59
10 钢丝绳网-聚合物改性水泥砂浆面层加固法······61
10.1 一般规定······61
10.2 砌体抗剪加固······62
10.3 砌体抗震加固······63
10.4 构造规定······64
11 增设砌体扶壁柱加固法······66
11.1 计算方法······66
11.2 构造规定······66
12 砌体结构构造性加固法······69
12.1 增设圈梁加固······69
12.2 增设构造柱加固······71
12.3 增设梁垫加固······72
12.4 砌体局部拆砌······72
13 砌体裂缝修补法······74
13.1 一般规定······74
13.2 填缝法······74
13.3 压浆法······75
13.4 外加网片法······77
13.5 置换法······77
附录A 已有建筑物结构荷载标准值的确定······79
附录B 粘贴材料粘合加固材与基材的正拉粘结强度实验室测定方法及评定标准······82
本规范用词说明······89
引用标准名录······90
附:条文说明······92
1 总则······97
2 术语和符号······98
2.1 术语······98
2.2 符号······98
3 基本规定······99
3.1 一般规定······99
3.2 设计计算原则······102
3.3 加固方法及配合使用的技术······103
4 材料······104
4.1 砌筑材料······104
4.2 混凝土原材料······104
4.3 钢材及焊接材料······105
4.4 钢丝绳······106
4.5 纤维复合材······106
4.6 结构胶粘剂······109
4.7 聚合物改性水泥砂浆······111
4.8 气体裂缝修补材料······113
4.9 防裂用短纤维······113
5 钢筋混凝土面层加固法······114
5.1 一般规定······114
5.2 砌体受压加固······114
5.3 砌体抗剪加固······116
5.4 砌体抗震加固······116
5.5 构造规定······116
6 钢筋网水泥砂浆面层加固法······118
6.1 一般规定······118
6.2 砌体受压加固······118
6.3 砌体抗剪加固······118
6.4 砌体抗震加固······119
6.5 构造规定······119
7 外包型钢加固法······120
7.1 一般规定······120
7.2 计算方法······120
7.3 构造规定······121
8 外加预应力撑杆加固法······123
8.1 一般规定······123
8.2 计算方法······123
8.3 构造规定······123
9 粘贴纤维复合材加固法······124
9.1 一般规定······124
9.2 砌体抗剪加固······125
9.3 砌体抗震加固······125
9.4 构造规定······126
10 钢丝绳网-聚合物改性水泥砂浆面层加固法······127
10.1 一般规定······127
10.2 砌体抗剪加固······128
10.3 砌体抗震加固······128
10.4 构造规定······128
11 增设砌体扶壁柱加固法······129
11.1 计算方法······129
11.2 构造规定······129
12 砌体结构构造性加固法······130
12.1 增设圈梁加固······130
12.2 增设构造柱加固······131
12.3 增设梁垫加固······133
12.4 砌体局部拆砌······133
13 砌体裂缝修补法······135
13.1 一般规定······135
13.2 填缝法······135
13.3 压浆法······135
13.4 外加网片法······136
13.5 置换法······136
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