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Practical Guide to Grouting of Underground Structures
Practical Guide to Grouting of Underground Structures Presents a hands-on discussion of grouting fundamentals and provides a foundation for the development of practical specifications and field procedures. Employing a pragmatic approach to the subject of grouting, Raymond W. Henn concentrates on areas such as the types of drilling, mixing, and puming equipment, and their application. The book focuses on how cementitious grouting is used in conjunction with the excavation and lining of tunnels, shafts, and underground caverns in rock. Overviews of cementitious grouting in soils and chemical grouting are also provided. Topics covered range from record keeping to quality control and testing requirements, field operations, and production rates.
Practical Guide to Grouting of Underground Structures is written as a useful handbook for engineers, construction supervisors, inspectors, and other professionals involved in the planning, design, and implementation of underground grouting programs. --Book Jacket.
Preface; 1. Introduction; Purpose; Scope; 2. Grouting Methods; 2.1 Grouting in Soil; 2.1.1 Jet Grouting; 2.1.2 Compaction Grouting; 2.1.3 Permeation Grouting; 2.1.4 Hydrofracture Grouting; 2.2 Grouting in Rock; 2.2.1 Consolidation Grouting; 2.2.2 Curtain Grouting; 2.3 Structural Grouting; 2.3.1 Contact Grouting; 2.3.2 Embedment Grouting; 2.3.3 Prestressing; 2.3.4 Cellular Concrete; 2.4 Shaft Grouting; 2.4.1 Pregrouting of Shaft from Ground Surface; 2.4.2 In-Shaft Grouting.
2.5 Probing and Grouting ahead of Tunnel and Chamber Excavations; 2.5.1 Probe Holes; 2.5.2 Grouting ahead of Excavations; 3. Geotechnical Considerations in Grouting Program Planning; 3.1 Basic Considerations; 3.2 Geotechnical Investigation and Geotechnical Design Summary; 3.3 Grouting to Limit Groundwater Infiltration; 3.4 Grouting to Increase Stability; 3.5 Grouting to Increase Strength; 3.6 Groutability Ratio; 3.7 Other Geotechnical Considerations; 4. Equipment; 4.1 Drills; 4.1.1 Percussion Drilling; 4.1.2 Rotary Drilling.
4.1.3 Down-Hole-Drill (Down-Hole-Hammer) Drilling; 4.2 Mixers; 4.3 Agitators; 4.4 Water Meters; 4.5 Pumps; 4.6 Pressure Gauges; 4.7 Gauge Savers; 4.8 Packers; 4.9 Nipples; 4.10 Delivery and Distribution System; 4.11 Data Acquisition and Recording Equipment; 4.12 Automated Batching Systems; 4.13 Grouting Jumbos; 4.14 Equipment Configuration; 5. Grouting Materials; 5.1 Portland Cement; 5.2 Ultrafine Cement; 5.3 Sand; 5.4 Admixtures; 5.4.1 Dispersants; 5.4.2 Accelerators; 5.4.3 Gas-Producing Agents.
5.5 Water; 5.6 Bentonite; 6. Specifications; 6.1 Applicable ASTM's and Other Standards; 6.2 Developing Grouting Specifications; 7. Grout Hole Layout; 7.1 Grout Hole and Grout Ring Spacing; 7.1.1 Contact Grouting; 7.1.2 Consolidation Grouting; 7.1.3 Curtain Grouting; 7.2 Hole Depth and Diameter; 8. Grout Placement Operations; 8.1 Proportioning; 8.1.1 WatenCement Ratios; 8.1.2 Sand; 8.1.3 Admixtures; 8.1.4 Bentonite; 8.2 Delivery Pressure; 8.3 Refusal Criteria; 8.4 Crew Size and Organization; 8.5 Production.
8.6 Safety and Environmental Issues; 8.6.1 Personnel Safety; 8.6.2 Waste Disposal; 9. Field Quality Control; 9.1 Preconstruction Checklists; 9.2 Certifications and Test Reports; 9.3 Inspection Reports; 9.3.1 Drilling Reports; 9.3.2 Grouting Reports; 9.4 Testing; 9.4.1 Laboratory Testing; 9.4.2 Field Testing; 10. Chemical Grouting; 10.1 Applications; 10.2 Types of Chemical Grouts; 10.3 Equipment; 10.3.1 Batching Equipment; 10.3.2 Injection Equipment; 10.4 Design of a Chemical Grouting Program.
Reston : American Society of Civil Engineers, ©2014