JGJ/T231-2021：建筑施工承插型盘扣式钢管脚手架安全技术标准

JGJ/T231-2021······1

1 总则······11

2 术语和符号······12

2.1 术语······12

2.2 符号······14

3 基本规定······17

4 荷载······19

4.1 荷载分类······19

4.2 荷载标准值······19

4.3 荷载分项系数······21

4.4 荷载效应组合······22

5 结构设计······24

5.1 一般规定······24

5.2 地基承载力计算······25

5.3 支撑架计算······26

5.4 作业架计算······28

5.5 构配件计算······30

6 构造要求······31

6.1 一般规定······31

6.2 支撑架······31

6.3 作业架······36

7 安装与拆除······38

7.1 施工准备······38

7.2 施工方案······38

7.3 地基与基础······39

7.4 支撑架安装与拆除······39

7.5 作业架安装与拆除······40

8 检查与验收······42

9 安全管理与维护······44

附录A 风压高度变化系数······45

附录B 有关设计参数······47

附录C 轴心受压构件的稳定系数······48

附录D 脚手架施工验收记录······50

本标准用词说明······54

引用标准名录······55

附：条文说明······56

1 总则······60

2 术语和符号······61

2.1 术语······61

3 基本规定······63

4 荷载······64

4.1 荷载分类······64

4.2 荷载标准值······64

4.3 荷载分项系数······65

4.4 荷载效应组合······65

5 结构设计······66

5.1 一般规定······66

5.2 地基承载力计算······66

5.3 支撑架计算······67

5.4 作业架计算······67

5.5 构配件计算······68

6 构造要求······70

6.1 一般规定······70

6.2 支撑架······70

6.3 作业架······70

7 安装与拆除······71

7.1 施工准备······71

7.2 施工方案······71

7.3 地基与基础······71

7.4 支撑架安装与拆除······71

7.5 作业架安装与拆除······72

8 检查与验收······73

9 安全管理与维护······74