JGJ/T405-2017：预应力混凝土异型预制桩技术规程

目录······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······17

4 类型和构造······18

4.1 一般规定······18

4.2 异型管桩······21

4.3 异型方桩······21

4.4 异型复合桩······22

4.5 其他异型桩······23

5 设计······25

5.1 —般规定······25

5.2 异型桩计算······28

5.3 异型复合桩计算······33

5.4 构造要求······37

6 施工······12

6.1 一般规定······42

6.2 桩起吊、运输和堆放······43

6.3 桩连接······44

6.4 沉桩施工······45

6.5 施工安全和环境保护······50

7 检测与验收······11

7.1 一般规定······51

7.2 施工前检测······51

7.3 施工过程检测······54

7.4 施工后检测······56

7.5 工程质量验收······56

附录A 异型管桩构造、桩身配筋和力学性能······58

附录B 空心异型方桩构造、桩身配筋和力学性能······90

附录C 实心异型方桩构造、桩身配筋和力学性能······97

附录D 静压桩机型号选择表······107

附录E 柴油锤重选择表······108

附录F 静压沉桩施工记录表······109

附录G 锤击沉桩施工记录表······110

附录H 异型复合桩施工记录表······111

本规程用词说明······113

引用标准名录······114

附:条文说明······117

1 总则······118

2 术语和符号······119

2.1 术语······119

3 基本规定······122

4 类型和构造······123

4.1 一般规定······123

4.2 异型管桩······123

4.3 异型方桩······124

4.4 异型复合桩······124

4.5 其他异型桩······124

5 设计······125

5.1 一般规定······125

5.2 异型桩计算······125

5.3 异型复合桩计算······129

5.4 构造要求······131

6 施工······133

6.l 一般规定······133

6.2 桩起吊、运输和堆放······133

6.3 桩连接······133

6.4 沉桩施工······134

6.5 施工安全和环境保护······136

7 检测与验收······137

7.1 一般规定······137

7.2 施工前检测······137

7.3 施工过程检测······137

7.4 施工后检测······138