JGJ/T128-2019：建筑施工门式钢管脚手架安全技术标准

JGJT128-2019······1

1 总则······11

2 术语和符号······12

2.1 术语······12

2.2 符号······14

3 构配件······19

4 荷载······22

4.1 荷载分类······22

4.2 荷载标准值······23

4.3 荷载设计值······27

4.4 荷载效应组合······28

5 设计计算······31

5.1 一般规定······31

5.2 门式作业脚手架计算······34

5.3 连墙件计算······36

5.4 门式支撑架计算······37

5.5 地基承载力验算······42

5.6 悬挑脚手架支承结构计算······43

6 构造要求······47

6.1 一般规定······47

6.2 门式作业脚手架······49

6.3 悬挑脚手架······54

6.4 门式支撑架······57

6.5 移动门式作业架······63

6.6 地基······63

7 搭设与拆除······65

7.1 施工准备······65

7.2 搭设······66

7.3 拆除······67

8 检查与验收······69

8.1 构配件检查与验收······69

8.2 搭设检查与验收······70

8.3 使用过程中检查······72

9 安全管理······74

附录A 门架、配件质量分类······76

附录B 计算用表······80

附录C 门式脚手架检查验收表······87

本标准用词说明······90

引用标准名录······91

附: 条文说明······93

1 总则······96

2 术语和符号······97

2.1 术语······97

2.2 符号······99

3 构配件······100

4 荷载······103

4.1 荷载分类······103

4.2 荷载标准值······104

4.3 荷载设计值······110

4.4 荷载效应组合······110

5 设计计算······114

5.1 一般规定······114

5.2 门式作业脚手架计算······120

5.3 连墙件计算······128

5.4 门式支撑架计算······129

5.5 地基承载力验算······139

5.6 悬挑脚手架支承结构计算······140

6 构造要求······142

6.1 一般规定······142

6.2 门式作业脚手架······145

6.3 悬挑脚手架······147

6.4 门式支撑架······149

6.5 移动门式作业架······153

6.6 地基······154

7 搭设与拆除······155

7.1 施工准备······155

7.2 搭设······155

7.3 拆除······156

8 检查与验收······158

8.1 构配件检查与验收······158

8.2 搭设检查与验收······159

8.3 使用过程中检查······159

9 安全管理······161

附录A 门架、配件质量分类······164

附录B 计算用表······166

附录C 门式脚手架检查验收表······167