JGJ476-2019······1

1 總則······13

2 術語和符號······14

2.1 術語······14

2.2 符號······16

3 基本規定······21

4 勘察與鑒定······25

4.1 一般規定······25

4.2 勘察······26

4.3 鑒定······30

5 設防水位······33

5.1 一般規定······33

5.2 水位預測······34

5.3 設防水位······36

6 穩定與治理······38

6.1 一般規定······38

6.2 浮力······40

6.3 抗浮力······41

6.4 抗浮穩定······43

6.5 抗浮治理······44

7 設計······47

7.1 一般規定······47

7.2 抗浮板法······51

7.3 壓重法······52

7.4 排水限壓法、隔水控壓法與泄水降壓法······54

7.5 錨桿法······58

7.6 錨樁法······68

7.7 既有工程抗浮治理······74

8 施工······77

8.1 一般規定······77

8.2 抗浮板法······78

8.3 壓重法······78

8.4 排水限壓法、隔水控壓法與泄水降壓法······78

8.5 錨桿法······79

8.6 錨樁法······82

8.7 既有工程抗浮治理······86

9 檢驗與驗收······88

9.1 一般規定······88

9.2 抗浮板法······89

9.3 排水限壓法和泄水降壓法······89

9.4 錨桿法······92

9.5 錨樁法······93

9.6 驗收······98

10 監測與維護······99

1O.1 一般規定······99

1O.2 錨固構件監測······101

1O.3 地下水監測······102

10.4 排水限壓法、隔水控壓法和泄水降壓法的監測與維護······104

10.5 資料整理······104

附錄A 地下水類型與巖土體滲透等級······106

附錄B 抗浮構件工作環境類別······108

附錄C 水文地質參數試驗要點······110

附錄D 鋼筋腐蝕及混凝土劣化檢測要點······118

附錄E 抗浮錨桿和抗浮樁性能試驗要點······112

附錄F 抗浮錨桿防腐做法······130

附錄G 抗浮錨桿施工記錄······133

附錄H 抗浮錨桿驗收試驗······135

附錄J 抗浮樁驗收試驗······141

本標準用詞說明······148

引用標準名錄······149

附：條文說明······151

1 總則······155

2 術語和符號······157

2.1 術語······157

3 基本規定······165

4 勘察與鑒定······174

4.1 一般規定······174

4.2 勘察······175

4.3 鑒定······180

5 設防水位······181

5.1 一般規定······181

5.2 水位預測······183

5.3 設防水位······184

6 穩定與治理······188

6.1 一般規定······188

6.2 浮力······189

6.3 抗浮力······193

6.4 抗浮穩定······194

6.5 抗浮治理······195

7 設計······198

7.1 一般規定······198

7.2 抗浮板法······200

7.3 壓重法······200

7.4 排水限壓法、隔水控壓法與泄水降壓法······201

7.5 錨桿法······202

7.6 錨樁法······208

7.7 既有工程抗浮治理······208

8 施工······209

8.1 一般規定······209

8.5 錨桿法······209

9 檢驗與驗收······211

9.2 抗浮板法······211

9.3 排水限壓法和泄水降壓法······211

9.4 錨桿法······212

9.5 錨樁法······212

10 監測與維護······215

10.1 一般規定······215

10.2 錨固構件監測······215

10.5 資料整理······215

附錄C 水文地質參數試驗要點······216

附錄D 鋼筋腐蝕及混凝土劣化檢測要點······217