GB50086-2015······1

1 總則······16

2 術(shù)語······17

3 工程勘察與調(diào)查······21

3.1 一般規(guī)定······21

3.3 工程地質(zhì)與水文地質(zhì)勘察······22

4 預(yù)應(yīng)力錨桿······24

4.1 一般規(guī)定······24

4.2 錨桿類型與構(gòu)造······25

4.3 錨桿類型的選擇······27

4.4 材料······29

4.5 防腐······31

4.6 設(shè)計······33

4.7 施工······39

5 低預(yù)應(yīng)力錨桿與非預(yù)應(yīng)力錨桿······43

5.1 一般規(guī)定······43

5.2 低預(yù)應(yīng)力錨桿類型與適用條件······43

5.3 非預(yù)應(yīng)力錨桿類型與適用條件······44

5.4 材料······45

5.5 錨桿設(shè)計······46

5.6 錨桿施工······47

6 噴射混凝土······48

6.1 一般規(guī)定······48

6.2 原材料······48

6.3 設(shè)計······50

6.4 施工······53

6.5 質(zhì)量控制與檢驗······58

6.6 施工安全與粉塵控制······58

7 隧道與地下工程錨噴支護······60

7.1 一般規(guī)定······60

7.2 圍巖分級······61

7.3 一般條件下的錨噴支護設(shè)計······68

7.4 特殊條件下的錨噴支護設(shè)計······77

7.5 施工······80

8 邊坡錨固······83

8.1 一般規(guī)定······83

8.2 邊坡錨固設(shè)計······86

8.3 邊坡淺層加固與面層防護······90

8.4 邊坡錨固工程施工······90

8.5 邊坡錨固工程的試驗與監(jiān)測······91

9 基坑錨固······93

9.1 一般規(guī)定······93

9.2 錨拉樁(墻)支護設(shè)計······93

9.3 土釘墻支護設(shè)計······99

9.4 施工與檢驗······103

10 基礎(chǔ)與混凝土壩的錨固······106

10.1 基礎(chǔ)錨固設(shè)計······106

10.2 混凝土壩的錨固······108

10.3 基礎(chǔ)與混凝土壩錨桿的施工、試驗與監(jiān)測······111

11 抗浮結(jié)構(gòu)錨固······112

11.1 一般規(guī)定······112

11.2 抗浮預(yù)應(yīng)力錨桿設(shè)計······112

11.3 抗浮錨桿施工······114

12 試 驗······115

12.1 預(yù)應(yīng)力錨桿試驗······115

12.2 噴射混凝土試驗······119

13 工程監(jiān)測與維護······122

13.1 —般規(guī)定······122

13.2 監(jiān)測與檢查項目······122

13.3 錨桿預(yù)加力的長期監(jiān)測······123

13.4 錨桿腐蝕狀況檢查分析······123

13.5 工程安全狀態(tài)的預(yù)警值······124

13.6 監(jiān)測信息反饋和處理······124

14 工程質(zhì)量檢驗與驗收······125

14.1 一般規(guī)定······125

14.2 質(zhì)量檢驗與驗收標準······125

14.3 驗收······127

附錄A 預(yù)應(yīng)力錨桿結(jié)構(gòu)圖······128

附錄B 巖土錨桿與噴射混凝土支護工程施工記錄······132

附錄C 荷載分散型錨桿的張拉鎖定方法······134

附錄D 中空注漿錨桿結(jié)構(gòu)參數(shù)與力學(xué)性能······136

附錄E 隧洞洞室各級圍巖物理力學(xué)參數(shù)與巖體結(jié)構(gòu)面抗剪峰值強度······137

附錄F 用瑞典條分法計算錨固邊坡的穩(wěn)定性······138

附錄G 腰梁與錨桿錨頭的構(gòu)造形式······140

附錄H 預(yù)應(yīng)力錨桿基本試驗······141

附錄J 錨桿蠕變量-時間對數(shù)關(guān)系曲線······142

附錄K 錨桿驗收試驗······143

附錄L 噴射混凝土抗壓強度標準試塊制作方法······145

附錄M 噴射混凝土粘結(jié)強度試驗······146

附錄N 噴射混凝土抗彎強度與殘余抗彎強度試驗······147

附錄P 噴射鋼纖維混凝土殘余抗彎強度(韌性)等級與殘余彎曲應(yīng)力······150

附錄Q 土釘抗拔試驗方法······152

本規(guī)范使用說明······153

引用標準名錄······154

附：條文說明······156

1 總則······159

2 術(shù)語······161

3 工程勘察與調(diào)查······162

3.1 一般規(guī)定······162

3.2 調(diào)查······163

3.3 工程地質(zhì)與水文地質(zhì)勘察······163

4 預(yù)應(yīng)力錨桿······163

4.1 一般規(guī)定······165

4.2 錨桿類型與構(gòu)造······165

4.3 錨桿類型的選擇······166

4.4 材料······166

4.5 防腐······167

4.6 設(shè)計······169

4.7 施工······177

5 低預(yù)應(yīng)力錨桿與非預(yù)應(yīng)力錨桿······180

5.1 一般規(guī)定······180

5.2 低預(yù)應(yīng)力錨桿類型與適用條件······180

5.4 材料······182

5.5 錨桿設(shè)計······182

6 噴射混凝土······183

6.1 一般規(guī)定······183

6.2 原材料······184

6.3 設(shè)計······184

6.4 施工······186

7 隧道與地下工程錨噴支護······188

7.1 一般規(guī)定······188

7.2 圍巖分級······190

7.3 一般條件下的錨噴支護設(shè)計······190

7.4 特殊條件下的錨噴支護設(shè)計······197

7.5 施工······203

8 邊坡錨固······205

8.1 一般規(guī)定······205

8.2 邊坡錨固設(shè)計······205

8.3 邊坡淺層加固與面層防護······208

8.4 邊坡錨固工程施工······209

9 基坑錨固······210

9.1 一般規(guī)定······210

9.2 錨拉樁(墻)支護設(shè)計······210

9.3 土釘墻支護設(shè)計······213

9.4 施工與檢驗······217

10 基礎(chǔ)與混凝土壩的錨固······219

10.1 基礎(chǔ)錨固設(shè)計······219

10.2 混凝土壩的錨固······219

10.3 基礎(chǔ)與混凝土壩錨桿的施工、試驗與監(jiān)測······221

11 抗浮結(jié)構(gòu)錨固······223

11.1 一般規(guī)定······223

11.2 抗浮預(yù)應(yīng)力錨桿設(shè)計······224

12 試 驗······227

12.1 預(yù)應(yīng)力錨桿試驗······227

12.2 噴射混凝土試驗······229

13 工程監(jiān)測與維護······231

13.1 一般規(guī)定······231

14 工程質(zhì)量檢驗與驗收······232

14.2 質(zhì)量檢驗與驗收標準······232