JGJ300-2013：建筑施工临时支撑结构技术规范

本规范的主要技术内容是:1.总则;2.术语、符号;3.基本规定;4.结构设计计算;5.构造要求;6.特殊支撑结构;7.施工;8.监测等。

JGJ300-2013······1

1 总则······11

2术语、符号······12

2.1 术语······12

2.2 符号······13

3 基本规定······17

4 结构设计计算······18

4.1 一般规定······18

4.2 荷载与效应组合······19

4.3 水平杆设计计算······21

4.4 稳定性计算······23

4.5 支撑结构抗倾覆验算······28

4.6 地基承载力验算······29

5 构造要求······31

5.1 一般规定······31

5.2 框架式支撑结构构造······34

5.3 桁架式支撑结构构造······36

6 特殊支撑结构······39

6.1 悬挑支撑结构······39

6.2 跨空支撑结构······42

7 施工······46

7.1 一般规定······46

7.2 施工准备······46

7.3 搭设······47

7.4 检查与验收······47

7.5 使用······48

7.6 拆除······48

7.7安全管理······49

8 检测······50

附录A 轴心受压构件的稳定系数······52

附录B 支撑结构的计算长度系数······52

附录C 特殊支撑结构相关设计参数······62

附录D 附表······64

本规范用词说明······71

引用标准名录······72

附：条文说明······73

1总则······77

2 术语、符号······78

2.1 术语······78

2.2 符号······78

3 基本规定······79

4 结构设计计算······81

4.1 一般规定······81

4.2 荷载与效应组合······82

4.3 水平杆设计计算······82

4.4 稳定性计算······83

4,5 支撑结构抗倾覆验算······92

4.6 地基承载力验算······93

5 构造要求······94

5.1 一般规定······94

5.2 框架式支撑结构构造······95

5.3 桁架式支撑结构构造······95

6 特殊支撑结构······97

6.1 悬挑艾撑结构······97

6.2 跨空支撑结构······98

7 施工······100

7.1 一般规定······100

7.2 施工准备······100

7.3 搭设······100

7.4 检查与验收······101

7.5 使用······101

7.6 拆除······101

7.7 安全管理······101

8 监测······103