DL/T 5238—2010土坝灌浆技术规范 : 代替SD 266—1988

Foreword

1　Scope

2　Normative References

3　Terms and Definitions

4　General

5　Grouting Design

5.1　General

5.2　Defct Investigation

5.3　Hydrofracture Grouting Design

5.4　Filling Grouting Design

5.5 Hydrofracture Grouting Design for Embankment Foundation

6　Grouting Construction，’

6.1　Preparation

6.2　Borehole

6.3　Slurry Processing

Foreword

1　Scope

2　Normative References

3　Terms and Definitions

4　General

5　Grouting Design

5.1　General

5.2　Defct Investigation

5.3　Hydrofracture Grouting Design

5.4　Filling Grouting Design

5.5 Hydrofracture Grouting Design for Embankment Foundation

6　Grouting Construction，’

6.1　Preparation

6.2　Borehole

6.3　Slurry Processing

6.4　Grouting。。

6.5　Grouting Procedure Control

6.6 Grouting Completion and Hole Closure

6.7　Treatment ofSpecial Cases

7　Construction Safety and Monitoring

7.1　General

7.2　Monitoring ofDam Deformation

7.3　Seepage Monitoring

7.4　0thers

8　Quality Check ofGrouting

Appendix A(Informative)　Calculation of H-ydrofracture

Grouting Pressure

Appendix B(Informative)　Calculation of Dam Stability

during Grouting

Appendix C(Informative)　Grouting Record Zable