GB51056-2014：烟囱可靠性鉴定标准

GB51056-2014······1

1总则······11

2术语和符号······12

2.1术语······12

2.2符号······13

3基本规定······14

3.1一般规定······14

3.2鉴定程序及其工作内容······15

3.3鉴定评级标准······18

4现状调查与检查······22

4.1现状调查······22

4.2地基基础检查······22

4.3筒壁（烟道壁）及支承结构检查······23

4.4内衬（筒）与隔热层检查······23

4.5附属设施检查······24

4.6防腐层检查······24

5地基基础监测······25

6筒壁与支承结构监测······26

6.1一般规定······26

6.2材料检测······26

6.3筒壁钢筋检测······27

6.4垂直度、裂缝与变形检测······28

7内衬（筒）与隔热层检测······29

8附属设施检测······30

9腐蚀检测······31

9.1混凝土烟囱腐蚀检测······31

9.2钢烟囱（钢内筒）腐蚀检测······31

9.3砖烟囱腐蚀检测······32

9.4玻璃钢烟囱腐蚀检测······32

9.5防腐蚀层腐蚀检测······32

10结构分析与校核······34

11鉴定评级······36

11.1地基基础······36

11.2筒壁······38

11.3内衬与隔热层······41

11.4附属设施······41

11.5腐蚀评定······42

12综合鉴定评级······44

13鉴定报告······45

14监测作业安全······46

14.1检测人员······46

14.2安全措施······46

附录A单筒式钢筋混凝土烟囱结构耐久性年限评估······48

附录B烟囱防腐层耐久性评估······52

附录C单个构件的划分······54

本标准用词说明······55

引用标准名录······56

附：条文说明······57

1总则······61

2术语和符号······62

2.1术语······62

2.2符号······62

3基本规定······63

3.1一般规定······63

3.2鉴定程序及其工作内容······65

3.3鉴定评级标准······66

4现状调查与检查······67

4.1现状调查······67

4.2地基基础检查······67

4.3筒壁（烟道壁）及支承结构检查······67

4.4内衬（筒）与隔热层检查······68

4.5附属设施检查······68

4.6防腐层检查······68

5地基基础监测······70

6筒壁与支承结构监测······71

6.1一般规定······71

6.2材料检测······71

6.3垂直度、裂缝与变形检测······72

7内衬（筒）与隔热层检测······74

8附属设施检测······75

9腐蚀检测······76

9.1混凝土烟囱腐蚀检测······76

9.2钢烟囱（钢内筒）腐蚀检测······76

9.4玻璃钢烟囱腐蚀检测······76

9.5防腐蚀层腐蚀检测······77

10结构分析与校核······78

11鉴定评级······79

11.1地基基础······79

11.2筒壁······79

11.5腐蚀评定······80

12综合鉴定评级······81

13鉴定报告······82

14监测作业安全······83

14.1检测人员······83

14.2安全措施······83