DB62T25-3099-2015······1

1 總則······7

2 術語和符號······8

2.1 術語······8

2.2 符號······8

3 基本規定······11

4 巖土工程勘察······13

5 規格和質量······15

5.1 一般規定······15

5.2 原材料······15

5.3 構造······16

5.4 管樁產品質量要求······17

6 管樁基礎設計······19

6.1 一般規定······19

6.2 樁頂作用效應計算······20

6.3 樁基承載力計算······21

6.4 樁身裂縫控制······32

6.5 管樁沉降計算······33

7 管樁基礎施工······35

7.1 一般規定······35

7.2 管樁吊運和堆放······36

7.3 接樁······36

7.4 錘擊法沉樁······37

7.5 靜壓法沉樁······39

8 管樁工程質量檢驗和驗收······42

8.1 一般規定······42

8.2 施工前檢驗······42

8.3 施工檢驗······42

8.4 施工后檢驗······43

8.5 驗收······44

附錄A 管樁基本尺寸······45

附錄B 管樁尺寸允許偏差······47

附錄C 管樁外觀質量要求······48

附錄D 管樁抗裂彎矩、極限彎矩······49

附錄E 管樁抗剪性能······51

附錄F 管樁質量檢驗標準······53

附錄G 管樁打樁設備的選用······55

附錄H 單樁豎向靜載荷試驗要點······59

附錄J 單樁水平載荷試驗要點······62

本規程用詞說明······66

引用標準名錄······67

附:條文說明······68

1 總則······70

3 基本規定······72

4 巖土工程勘察······74

5 規格和質量······76

5.1 一般規定······76

6 管樁基礎設計······77

6.1 一般規定······77

6.2 樁頂作用效應計算······77

6.3 樁基承載力計算······78

6.5 管樁沉降計算······79

7 管樁基礎施工······80

7.1 一般規定······80

7.2 管樁吊運和堆放······81

7.3 接樁······81

7.4 錘擊法沉樁······81

7.5 靜壓法沉樁······81

8 管樁工程質量檢驗和驗收······83

8.1 一般規定······83

8.4 施工后檢驗······83