1 總則······16

2 術(shù)語······17

2.1 術(shù)語······17

3 基本規(guī)定······22

3.1 設(shè)計(jì)原則······22

3.2 設(shè)計(jì)規(guī)定······27

3.3 受熱溫度允許值······30

3.4 鋼筋混凝土煙囪筒壁設(shè)計(jì)規(guī)定······30

3.5 煙氣排放監(jiān)測(cè)系統(tǒng)······32

3.6 煙囪檢修與維護(hù)······32

4 材料······33

4.1 磚石······33

4.2 混凝土······34

4.3 鋼筋和鋼材······36

4.4 材料熱工計(jì)算指標(biāo)······41

5 荷載與作用······43

5.1 荷載與作用的分類······43

5.2 風(fēng)荷載······43

5.3 平臺(tái)活荷載與積灰荷載······46

5.4 裹冰荷載······47

5.5 地震作用······47

5.6 溫度作用······50

5.7 煙氣壓力計(jì)算······55

6 磚煙囪······57

6.1 一般規(guī)定······57

6.2 水平截面計(jì)算······57

6.3 環(huán)向鋼箍計(jì)算······58

6.4 環(huán)向鋼筋計(jì)算······59

6.5 豎向鋼筋計(jì)算······60

6.6 構(gòu)造規(guī)定······62

7 單筒式鋼筋混凝土煙囪······66

7.1 一般規(guī)定······66

7.2 附加彎矩計(jì)算······66

7.3 煙囪筒壁承載能力極限狀態(tài)計(jì)算······72

7.4 煙囪筒壁正常使用極限狀態(tài)計(jì)算······76

7.5 構(gòu)造規(guī)定······89

8 套筒式和多管式煙囪······93

8.1 一般規(guī)定······93

8.2 計(jì)算規(guī)定······94

8.3 自立式鋼內(nèi)筒······95

8.4 懸掛式鋼內(nèi)筒······99

8.5 磚內(nèi)筒······100

8.6 構(gòu)造規(guī)定······101

9 玻璃鋼煙囪······106

9.1 一般規(guī)定······106

9.2 材料······107

9.3 筒壁承載能力計(jì)算······112

9.4 構(gòu)造規(guī)定······115

9.5 煙囪制作要求······116

9.6 安裝要求······118

10 鋼煙囪······119

10.1 一般規(guī)定······119

10.2 塔架式鋼煙囪······119

10.3 自立式鋼煙囪······121

10.4 拉索式鋼煙囪······126

11 煙囪的防腐蝕······127

11.1 一般規(guī)定······127

11.2 炯囪結(jié)構(gòu)型式選擇······128

11.3 磚煙囪的防腐蝕······129

11.4 單筒式鋼筋混凝土煙囪的防腐蝕······130

11.5 套筒式和多管式煙囪的磚內(nèi)筒防腐蝕······131

11.6 套筒式和多管式煙囪的鋼內(nèi)筒防腐蝕······132

11.7 鋼煙囪的防腐蝕······133

12 煙囪基礎(chǔ)······134

12.1 一般規(guī)定······134

12.2 地基計(jì)算······134

12.3 剛性基礎(chǔ)計(jì)算······135

12.4 板式基礎(chǔ)計(jì)算······136

12.5 殼體基礎(chǔ)計(jì)算······143

12.6 樁基礎(chǔ)······151

12.7 基礎(chǔ)構(gòu)造······152

13 煙道······156

13.1 一般規(guī)定······156

13.2 煙道的計(jì)算和構(gòu)造······157

14 航空障礙燈和標(biāo)志······161

14.1 一般規(guī)定······161

14.2 障礙燈的分布······161

14.3 航空障礙燈設(shè)計(jì)要求······162

附錄A 環(huán)形截面幾何特性計(jì)算公式······163

附錄B 焊接圓筒截面軸心受壓穩(wěn)定系數(shù)······164

附錄C 環(huán)形和圓形基礎(chǔ)的最終沉降量和傾斜的計(jì)算······165

本規(guī)范用詞說明······173

引用標(biāo)準(zhǔn)名錄······174

附: 條文說明······175

l 總則······180

3 基本規(guī)定······181

3.1 設(shè)計(jì)原則······181

3.2 設(shè)計(jì)規(guī)定······183

3.3 受熱溫度允許值······185

3.4 鋼筋棍凝土煙囪筒壁設(shè)計(jì)規(guī)定······186

3.5 煙氣排放監(jiān)測(cè)系統(tǒng)······187

4 材料······188

4.1 磚石······188

4.2 混凝土······189

4.3 鋼筋和鋼材······191

4.4 材料熱工計(jì)算指標(biāo)······192

5 荷載與作用······194

5.1 荷載與作用的分類······194

5.2 風(fēng)荷載······194

5.3 平臺(tái)活荷載與積灰荷載······196

5.5 地震作用······196

5.6 溫度作用······200

6 磚煙囪······205

6.1 一般規(guī)定······205

6.2 水平截面計(jì)算······205

6.6 構(gòu)造規(guī)定······205

7 單筒式鋼筋混凝土煙囪······206

7.1 一般規(guī)定······206

7.2 附加彎矩計(jì)算······206

7.3 煙囪筒壁承載能力極限狀態(tài)計(jì)算······208

7.4 煙囪筒壁正常使用極限狀態(tài)計(jì)算······208

8 套筒式和多管式煙囪······211

8.1 一般規(guī)定······211

8.2 計(jì)算規(guī)定······211

8.3 自立式鋼內(nèi)筒······212

8.4 懸掛式鋼內(nèi)筒······212

8.5 磚內(nèi)筒······214

8.6 構(gòu)造規(guī)定······216

9 玻璃鋼煙囪······218

9.1 一般規(guī)定······218

9.2 材料······219

9.3 筒壁承載能力計(jì)算······223

9.4 構(gòu)造規(guī)定······224

9.5 煙囪制作要求······224

9.6 安裝要求······226

10 鋼煙囪······227

10.2 塔架式鋼煙囪······227

10.3 自立式鋼煙囪······228

10.4 拉索式鋼煙囪······229

11 煙囪的防腐蝕······230

11.1 一般規(guī)定······230

11.2 煙囪結(jié)構(gòu)型式選擇······230

11.3 磚煙囪的防腐蝕······232

11.4 單筒式鋼筋溫凝土煙囪的防腐蝕······233

11.5 套筒式和多管式煙囪的磚內(nèi)筒防腐蝕······233

11.7 鋼煙囪的防腐蝕······233

12 煙囪基礎(chǔ)······234

12.1 一般規(guī)定······234

12.2 地基計(jì)算······234

12.3 剛性基礎(chǔ)計(jì)算······234

12.4 板式基礎(chǔ)計(jì)算······234

12.5 殼體基礎(chǔ)計(jì)算······235

12.6 樁基礎(chǔ)······235

12.7 基礎(chǔ)構(gòu)造······235

13 煙道······236

13.1 一般規(guī)定······236

13.2 煙道的計(jì)算和構(gòu)造······236

14 航空障礙燈和標(biāo)志······237

14.1 一般規(guī)定······237

14.2 障礙燈的分布······237