JGJT422-2018······1

1 總則······11

2 術(shù)語和符號(hào)······12

2.1 術(shù)語······12

2.2 符號(hào)······13

3 基本規(guī)定······15

4 地基檢測······18

4.1 一般規(guī)定······18

4.2 勘探法······18

4.3 物探法······21

4.4 靜載荷試驗(yàn)······24

4.5 原型靜載荷試驗(yàn)······27

5 基礎(chǔ)檢測與變形監(jiān)測······28

5.1 一般規(guī)定······28

5.2 基礎(chǔ)形式、尺寸與埋深······28

5.3 基礎(chǔ)材料強(qiáng)度······29

5.4 鋼筋配置與銹蝕······29

5.5 基礎(chǔ)損傷······29

5.6 基礎(chǔ)沉降和變形監(jiān)測······31

6 基樁檢測······34

6.1 一般規(guī)定······34

6.2 基樁靜載荷試驗(yàn)······34

6.3 模擬樁持載再加荷靜載試驗(yàn)······36

6.4 低應(yīng)變法······37

6.5 旁孔透射法······39

6.6 磁測樁法······42

7 周邊環(huán)境影響檢測與監(jiān)測······45

7.1 一般規(guī)定······45

7.2 測斜法······45

7.3 分層沉降法······46

7.4 水阻法······46

7. 5 拾振法······47

附錄A 既有建筑地基基礎(chǔ)檢測項(xiàng)目選擇······50

附錄B 靜載荷試驗(yàn)既有建筑基礎(chǔ)驗(yàn)算······51

附錄C 遠(yuǎn)程自動(dòng)化監(jiān)測要點(diǎn)······55

附錄D 裂縫寬度動(dòng)態(tài)監(jiān)測儀安裝要點(diǎn)······59

本標(biāo)準(zhǔn)用詞說明······61

引用標(biāo)準(zhǔn)名錄······62

附:條文說明······63

1 總則······66

3 基本規(guī)定······67

4 地基檢測······69

4.1 一般規(guī)定······69

4.2 勘探法······70

4.3 物探法······72

4.4 靜載荷試驗(yàn)······74

5 基礎(chǔ)檢測與變形監(jiān)測······75

5.1 一般規(guī)定······75

5.2 基礎(chǔ)形式、尺寸與埋深······75

5.3 基礎(chǔ)材料強(qiáng)度······75

5.5 基礎(chǔ)損傷······76

5.6 基礎(chǔ)沉降和變形監(jiān)測······76

6 基樁檢測······77

6.1 一般規(guī)定······77

6.2 基樁靜載荷試驗(yàn)······77

6.3 模擬樁持載再加荷靜載試驗(yàn)······77

6.4 低應(yīng)變法······77

7 周邊環(huán)境影響檢測與監(jiān)測······81

7.1 一般規(guī)定······81

7.2 測斜法······81

7.5 拾振法······81

附錄C 遠(yuǎn)程自動(dòng)化監(jiān)測要點(diǎn)······84