Grouting Fundamentals and Current Practice

Agenda

Monday, June 17, 2013

8:00 – 8:05 a.m. Opening Remarks - Kieffer

8:05 – 9:35 a.m. Introduction to Grouting - Warner

• Brief History
• Why Grout?
• Fundamentals of pressure and injection rate
• Types of Injection Systems
• Risks

9:50 – 11:50 a.m. Types of Grout and Grout Rheology - Warner/Goodwin

• Viscosity
• Wetability/Affinity
• Thixotropy
• Settlement/Bleed
• Temperature effects
• Mixing energy

11:50 – 1:00 p.m. Lunch

1:00 – 1:50 p.m. Hydraulic Cement Grout Additives - Goodwin/Warner

• Calcium Silicate Cements
• Calcium Aluminate Cements
• Expansive or Shrinkage Compensating Cements
• Other Cements
• Hybrid Binders
• Fillers and Aggregates
• Pozzolans
• Accelerators
• Retarders and Hydration Control Agents
• Water Reducers, Dispersants, and Superplasticizers
• Water Retention and Anti-Bleeding Additives
• Fibers
• Viscosifiers
• Suspending Agents
• Anti washout Additives
• Pumping Aids
• Gas Generating Agents
• Air Entrainment and Foaming Agents
• Latex or Polymer Dispersions

1:55 – 3:55 p.m. Limited Mobility Grouting - Warner

• Void filling
• Forming structural members
• Compaction grouting
• Grout Holes
• Pump requirements

4:05 – 5:05 p.m. Compaction Grouting- Harris

• Injection sequence
• Refusal criteria
• Monitoring/Records
• Examples of use

5:05 – 6:30 p.m. Icebreaker Reception

Tuesday, June 18, 2013

8:00 – 10:00 a.m. Chemical Solution Grout Materials and Applications - Iske

• Solution grout types
• Thickening models
• Silicates
• Acrylamides
• Acrylates
• Urethanes
• Epoxies

10:10 – 11:00 a.m. Engineering Geologic Considerations for Rock Mass Grouting - Kieffer

11:05 a.m. – 12:05 p.m. Cement Grouting in Rock I - Dreese

• Typical applications
• Grouted cutoffs for seepage reduction
• Objectives
• When is grouting necessary
• Typical hole layouts and orientations
• Split spacing of holes
• Consolidation grouting
• Objectives
• Typical hole layouts
• Grout caps
• Operations and sequence
• Layout and marking of holes
• Drilling - upstage versus downstage

12:05 – 1:05 p.m. Lunch

1:05 – 2:05 p.m. Cement Grouting in Rock I (continued) - Dreese

• Hole washing
• Water testing
• Mixing of grout
• Grout injection
• Grouting equations of interest
• Managing grout application
• Final check of equipment
• Starting mixes
• Grout pressures - rules of thumb
• Are high pressures necessary?
• Grouting the hole
• Mix changes during grouting (thickening)
• Assessment of grouting - quality assurance
• Relationship between water tests and cement takes
• Contract bid items

2:15 – 3:15 p.m. Cement Grouting in Rock II - The GIN (Grouting Intensity Number) Method - Gazzarrini

• GIN Method Concepts
• Pressure/Volume in grouting
• Water Pressure Tests
• Theory behind the method
• Practical examples
• Case Histories

3:20 – 4:20 p.m. Cement Grouting in Rock (III) - Aperture Controlled Grouting - Carter

• Distinction and Definitions - GIN and ACG
• Discrete Fracture Networks
• Fracture Characterization
• Grout Protocol Development
• Decision Flow Chart
• Mix Sequencing
• Injection Control
• Monitoring Systems
• Field Procedure Guidelines
• Closure Criteria and Verification

4:25 – 5:10 p.m. Quantitative Design of Grout Curtains - Dreese

Wednesday, June 19, 2013

8:00 – 8:50 a.m. Computer Controlled Grouting & Advantages of Stable Grouts - Dreese

8:55 – 9:55 a.m. Case Histories - Dam Remediation Projects - Dreese

10:05 – 12:00 a.m. Jet Grouting - Burke

• Introduction
• Terms and Definitions
• History and Development
• Applications of Jet Grouting
• Jet Grouting Systems
• Applications of Jet Grouting
• Single Fluid System
• Double Fluid System
• Triple Fluid System
• Cross-Jetting
• Super-Jet
• System(s) Selection
• Case Histories

12:45 p.m. – 5:00 p.m. Field Demo at Baski, Inc. (with lunch) - Warfield, et. al.

Thursday, June 20, 2013

8:00 – 8:30 a.m. Foaming Agents - Palladino

8:35 – 9:20 a.m. Grouting Equipment and Maintenance  - Warfield

9:25 – 9:45 a.m. Jet grouting at the Zeballos Lake IPP, Vancouver, B.C. - Gazzarrini

9:50 – 10:45 a.m. Evolution of Drilling Practices - Bruce

• Drilling methods
• Drilling equipment
• Driving grout casing
• Circulation flush
• Drill bits
• Grout caps

10:50 – 11:30 a.m. Rock Anchors - Bruce

• Terminology, definitions & classification
• Applications, design and construction
• Stressing and testing
• Corrosion protection
• New developments
• Standards, recommendations & sources of data
• Illustrated case histories

11:30 a.m. – 12:15 p.m. Micropiles - Bruce

• Terminology, characteristics and classification
• Applications, design, and construction
• Stressing and testing
• Corrosion protection
• New developments
• Standards, recommendations & sources of data
• Illustrated case histories

12:15 – 1:00 p.m. Lunch

1:00 – 2:00 p.m. Cutoff Walls - Bruce

2:10 – 2:40 p.m. Composite Walls - Bruce

2:40 – 3:10 p.m. Crisis Management - Bruce

3:20 – 5:15 p.m. Permeation Grouting of Soils - Warner

• Soil Solidification/Strengthening
• Increasing natural frequency
• Water Control
• Injection modes and methods
• Grout Holes
• Examples of use

Friday, June 21, 2013

8:00 – 9:30 a.m. Grouting Instrumentation - Choquet

9:40 – 10:25 a.m. Grouting in Underground Construction - Kieffer

• Pre-Excavation Grouting
• Backfill Grouting
• Contact Grouting
• Pressure Tunnels - Pre-Stressing with the TIWAG Gap Grouting Method

10:30 a.m – 12:00 p.m. Pre-Excavation Grouting in Rock- Hognestad

12:00 – 1:00 p.m. Lunch

1:00 – 1:50 p.m. Tunnel Grouting – Contractor Considerations - Wimmer/Kofoed

• Specifications
• Lump sum vs. Unit Price
• Risk Analysis
• Real Jobs:  Estimating and Construction lessons learned

2:00 – 2:55 p.m. Slab Jacking/Grout Jacking - Harris

• Grout Holes
• Grout type and consistency
• Injection sequence
• Monitoring and controls
• Examples of use

3:00 – 4:00 p.m. Structural Grouting - Warner

• Defects in concrete
• Voids/honeycomb
• Masonry voids
• Base plates/Machinery bases
• Vacuum Grouting
• Underwater Grouting
• Preplaced Aggregate Concrete

4:00 – 4:45 p.m. Grouting Case Histories - Bandimere