JGJ387-2017：缓粘结预应力混凝土结构技术规程

JGJ387-2017······1

1 总则······11

2 术语和符号······12

2.1 术语······12

2.2 符号······13

3 材料及锚具系统······16

3.1 混凝土及普通钢筋······16

3.2 缓粘结预应力筋······16

3.3 锚具系统······17

4 基本规定······19

4.1 一般规定······19

4.2 预应力损失计算······23

4.3 防火与防腐······27

5 构件设计······30

5.1 一般规定······30

5.2 承载力极限状态计算······32

5.3 正常使用极限状态验算······37

5.4 抗震设计······44

6 构造规定······47

6.1 一般规定······47

6.2 预应力混凝土梁······48

6.3 预应力混凝土单向板及周边支承双向板······54

6.4 预应力混凝土板柱结构双向板······55

7 施工及验收······60

7.1 施工准备······60

7.2 缓粘结预应力筋的安装和棍凝土浇筑······61

7.3 缓粘结预应力筋的张拉······63

7.4 工程验收······65

附录A 缓粘结预应力筋张拉记录表······69

本规程用词说明······71

引用标准名录······72

附: 条文说明······73

l 总则······77

2 术语和符号······79

2.1 术语······79

2.2 符号······80

3 材料及锚具系统······81

3.1 混凝土及普通钢筋······81

3.2 缓粘结预应力筋······81

3.3 锚具系统······83

4 基本规定······84

41 一般规定······84

4.2 预应力损失计算······86

4.3 防火与防腐······87

5 构件设计······89

5.1 一般规定······89

5.2 承载力极限状态计算······90

5.3 正常使用极限状态验算······91

5.4 抗震设计······93

6 构造规定······95

6.1 一般规定······95

6.2 预应力混凝土梁······95

6.3 预应力混凝土单向板及周边支承双向板······96

6.4 预应力混凝土板柱结构双向板······97

7 施工及验收······98

7.1 施工准备······98

7.2 缓粘结预应力筋的安装和混凝土浇筑······98

7.3 缓粘结预应力筋的张拉······98

7.4 工程验收······99

附录A 缓粘结预应力筋张拉记录表······101