JGJ/T465-2019：钢纤维混凝土结构设计标准

JGJT465-2019······1

1 总则······12

2 术语和符号······13

2.1 术语······13

2.2 符号······14

3 基本规定······17

3.1 一般规定······17

3.2 极限状态设计······17

3.3 耐久性设计······18

4 材料······19

4.1 钢纤维······19

4.2 钢纤维混凝土······19

4.3 钢筋······22

5 承载能力极限状态计算······23

5.1 一般规定······23

5.2 正截面承载力计算······23

5.3 斜截面承载力计算······30

5.4 扭曲截面承载力计算······33

5.5 受冲切承载力计算······33

5.6 局部受压承载力计算······34

5.7 疲劳验算······37

6 正常使用极限状态验算······38

6.1 裂缝控制验算······38

6.2 受弯构件挠度验算······40

7 局部钢纤维混凝土结构构件······42

7.1 叠合式受弯构件······42

7.2 局部钢纤维混凝土深梁······44

7.3 牛腿······45

7.4 桩基承台······46

8 构造规定······51

9 结构构件抗震设计······53

9.1 一般规定······53

9.2 框架梁柱节点······53

9.3 剪力墙及连梁······56

9.4 板柱节点······57

10 工业建筑地面······59

10.1 一般规定······59

10.2 板厚设计······59

10.3 构造规定······61

11 城镇道路与桥梁桥面······65

11.1 一般规定······65

11.2 城镇道路路面······65

11.3 层布式钢纤维混凝土复合路面······68

11.4 城镇桥梁桥面······69

12 城市隧道、边坡支护、建筑结构修复与加固工程······71

12.1 一般规定······71

12.2 城市隧道支护······71

12.3 边坡支护工程······74

12.4 修补和加同工程······75

附录A 钢纤维混凝土工业地面设计计算······79

附录B 钢纤维混凝土残余弯拉强度测试方法······83

本标准用词说明······89

引用标准名录······90

附：条文说明······91

1 总则······95

3 基本规定······97

3.1 一般规定······97

3.2 极限状态设计······97

3.3 耐久性设计······98

4 材料······99

4.1 钢纤维······99

4.2 钢纤维混凝土······100

4.3 钢筋······104

5 承载能力极限状态计算······105

5.1 一般规定······105

5.2 正截面承载力计算······105

5.3 斜截面承载力计算······109

5.4 扭曲截面承载力计算······111

5.5 受冲切承载力计算······112

5.6 局部受压承载力计算······113

5.7 疲劳验算······114

6 正常使用极限状态验算······116

6.1 裂缝控制验算······116

6.2 受弯构件挠度验算······117

7 局部钢纤维混凝土结构构件······119

7.1 叠合式受弯构件······119

7.2 局部钢纤维混凝土深梁······120

7.3 牛腿······121

7.4 桩基承台······122

8 构造规定······126

9 结构构件抗震设计······127

9.1 一般规定······127

9.2 框架梁柱节点······128

9.3 剪力墙及连梁······129

9.4 板柱节点······131

10 工业建筑地面······132

10.1 一般规定······132

10.2 板厚设计······132

10.3 构造规定······134

11 城镇道路与桥梁桥面······135

11.1 一般规定······135

11.2 城镇道路路面······135

11.3 层布式钢纤维混凝土复合路面······138

11.4 城镇桥梁桥面······140

12 城市隧道、边坡支护、建筑结构修复与加固工程······142

12.1 一般规定······142

12.2 城市隧道支护······144

12.3 边坡支护工程······150

12.4 修补和加固工程······150

附录A 钢纤维混凝土工业地面设计计算······153

附录B 钢纤维混凝土残余弯拉强度测试方法······158