JGJ/T379-2016：螺纹桩技术规程

本规程的主要技术内容是：1.总则；2.术语和符号；3.基本规定；4.设计；5.施工；6.检查与验收。

JGJT379-2016······1

1 总则······10

2 术语和符号······11

2.1 术语······11

2.2 符号······11

3 基本规定······14

4 设计······15

4.1 一般规定······15

4.2 桩顶作用效应计算······15

4.3 单桩竖向承载力计算······16

4.4 单桩水平承载力计算······19

4.5 螺纹桩基沉降计算······20

4.6 构造······21

5 施工······24

5.1 施工准备······24

5.2 螺纹桩施工······25

6 检查与验收······28

6.1 施工前检验······28

6.2 施工检验······28

6.3 施工后检验······29

6.4 工程质量验收······29

附录A 螺纹桩机基本参数表······31

附录B 螺纹桩施工记录表······32

本规程用词说明······33

引用标准名录······34

附：条文说明······35

1 总则······38

2 术语和符号······39

2.1 术语······39

3 基本规定······40

4 设计······41

4.1 一般规定······41

4.2 桩顶作用效应计算······41

4.3 单桩竖向承载力计算······42

4.6 构造······46

5 施工······48

5.1 施王准备······48

5.2 螺纹桩施工······48

6 检查与验收······50

6.1 施工前检验······50

6.2 施工检验······50

6.3 施工后检验······50