JGJ/T231-2021······1

1 總則······11

2 術語和符號······12

2.1 術語······12

2.2 符號······14

3 基本規(guī)定······17

4 荷載······19

4.1 荷載分類······19

4.2 荷載標準值······19

4.3 荷載分項系數(shù)······21

4.4 荷載效應組合······22

5 結構設計······24

5.1 一般規(guī)定······24

5.2 地基承載力計算······25

5.3 支撐架計算······26

5.4 作業(yè)架計算······28

5.5 構配件計算······30

6 構造要求······31

6.1 一般規(guī)定······31

6.2 支撐架······31

6.3 作業(yè)架······36

7 安裝與拆除······38

7.1 施工準備······38

7.2 施工方案······38

7.3 地基與基礎······39

7.4 支撐架安裝與拆除······39

7.5 作業(yè)架安裝與拆除······40

8 檢查與驗收······42

9 安全管理與維護······44

附錄A 風壓高度變化系數(shù)······45

附錄B 有關設計參數(shù)······47

附錄C 軸心受壓構件的穩(wěn)定系數(shù)······48

附錄D 腳手架施工驗收記錄······50

本標準用詞說明······54

引用標準名錄······55

附：條文說明······56

1 總則······60

2 術語和符號······61

2.1 術語······61

3 基本規(guī)定······63

4 荷載······64

4.1 荷載分類······64

4.2 荷載標準值······64

4.3 荷載分項系數(shù)······65

4.4 荷載效應組合······65

5 結構設計······66

5.1 一般規(guī)定······66

5.2 地基承載力計算······66

5.3 支撐架計算······67

5.4 作業(yè)架計算······67

5.5 構配件計算······68

6 構造要求······70

6.1 一般規(guī)定······70

6.2 支撐架······70

6.3 作業(yè)架······70

7 安裝與拆除······71

7.1 施工準備······71

7.2 施工方案······71

7.3 地基與基礎······71

7.4 支撐架安裝與拆除······71

7.5 作業(yè)架安裝與拆除······72

8 檢查與驗收······73

9 安全管理與維護······74