JGJ/T231-2021······1

1 總則······11

2 術(shù)語和符號(hào)······12

2.1 術(shù)語······12

2.2 符號(hào)······14

3 基本規(guī)定······17

4 荷載······19

4.1 荷載分類······19

4.2 荷載標(biāo)準(zhǔn)值······19

4.3 荷載分項(xiàng)系數(shù)······21

4.4 荷載效應(yīng)組合······22

5 結(jié)構(gòu)設(shè)計(jì)······24

5.1 一般規(guī)定······24

5.2 地基承載力計(jì)算······25

5.3 支撐架計(jì)算······26

5.4 作業(yè)架計(jì)算······28

5.5 構(gòu)配件計(jì)算······30

6 構(gòu)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(zhǔn)備······38

7.2 施工方案······38

7.3 地基與基礎(chǔ)······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(yàn)收······42

9 安全管理與維護(hù)······44

附錄A 風(fēng)壓高度變化系數(shù)······45

附錄B 有關(guān)設(shè)計(jì)參數(shù)······47

附錄C 軸心受壓構(gòu)件的穩(wěn)定系數(shù)······48

附錄D 腳手架施工驗(yàn)收記錄······50

本標(biāo)準(zhǔn)用詞說明······54

引用標(biāo)準(zhǔn)名錄······55

附：條文說明······56

1 總則······60

2 術(shù)語和符號(hào)······61

2.1 術(shù)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(biāo)準(zhǔn)值······64

4.3 荷載分項(xiàng)系數(shù)······65

4.4 荷載效應(yīng)組合······65

5 結(jié)構(gòu)設(shè)計(jì)······66

5.1 一般規(guī)定······66

5.2 地基承載力計(jì)算······66

5.3 支撐架計(jì)算······67

5.4 作業(yè)架計(jì)算······67

5.5 構(gòu)配件計(jì)算······68

6 構(gòu)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(zhǔn)備······71

7.2 施工方案······71

7.3 地基與基礎(chǔ)······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(yàn)收······73

9 安全管理與維護(hù)······74