DB62T25-3099-2015······1

1 總則······7

2 術(shù)語(yǔ)和符號(hào)······8

2.1 術(shù)語(yǔ)······8

2.2 符號(hào)······8

3 基本規(guī)定······11

4 巖土工程勘察······13

5 規(guī)格和質(zhì)量······15

5.1 一般規(guī)定······15

5.2 原材料······15

5.3 構(gòu)造······16

5.4 管樁產(chǎn)品質(zhì)量要求······17

6 管樁基礎(chǔ)設(shè)計(jì)······19

6.1 一般規(guī)定······19

6.2 樁頂作用效應(yīng)計(jì)算······20

6.3 樁基承載力計(jì)算······21

6.4 樁身裂縫控制······32

6.5 管樁沉降計(jì)算······33

7 管樁基礎(chǔ)施工······35

7.1 一般規(guī)定······35

7.2 管樁吊運(yùn)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(zhì)量檢驗(yàn)和驗(yàn)收······42

8.1 一般規(guī)定······42

8.2 施工前檢驗(yàn)······42

8.3 施工檢驗(yàn)······42

8.4 施工后檢驗(yàn)······43

8.5 驗(yàn)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(zhì)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(zhì)量檢驗(yàn)標(biāo)準(zhǔn)······53

附錄G 管樁打樁設(shè)備的選用······55

附錄H 單樁豎向靜載荷試驗(yàn)要點(diǎn)······59

附錄J 單樁水平載荷試驗(yàn)要點(diǎn)······62

本規(guī)程用詞說明······66

引用標(biāo)準(zhǔn)名錄······67

附:條文說明······68

1 總則······70

3 基本規(guī)定······72

4 巖土工程勘察······74

5 規(guī)格和質(zhì)量······76

5.1 一般規(guī)定······76

6 管樁基礎(chǔ)設(shè)計(jì)······77

6.1 一般規(guī)定······77

6.2 樁頂作用效應(yīng)計(jì)算······77

6.3 樁基承載力計(jì)算······78

6.5 管樁沉降計(jì)算······79

7 管樁基礎(chǔ)施工······80

7.1 一般規(guī)定······80

7.2 管樁吊運(yùn)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(zhì)量檢驗(yàn)和驗(yàn)收······83

8.1 一般規(guī)定······83

8.4 施工后檢驗(yàn)······83