Grouting Fundamentals and Current Practice
June 2-6 , 2008
   
 
Agenda

 

Monday, June 2

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

9:45-10:45 a.m. Engineering Geologic Considerations for Grouting in Rock - Kieffer

Rock mass properties relevant to grouting programs
Engineering geologic site investigation strategies

10:55 a.m. -12:00 p.m. and 1:00 – 1:40 p.m. Types of Grout and Grout Rheology -Warner

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

1:50 - 3:20 p.m. Chemical Solution Grout Materials and Applications- Iske

Solution grout types
Thickening models
Silicates
Acrylamides
Acrylates
Urethanes
Epoxies

3:30-5:00 p.m. Limited Mobility Grouting - Warner

Void filling
Forming structural members
Compaction grouting
Grout Holes
Pump requirements

5:00 - 6:30 p.m. Icebreaker Reception

Tuesday, June 3

8:00 – 9:30 a.m. Limited Mobility Grouting (continued)- Warner

Injection sequence
Refusal criteria
Monitoring/Records
Examples of use

9:40 a.m. – 12:00 p.m. Cement Grouting in Rock - 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
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

1:00 – 2:00 p.m. Quantitative Design of Grout Curtains - Dreese

2:10 – 3:00 p.m. Case Histories – Dam Remediation Projects - Dreese

3:10 – 5:00 p.m. Permeation Grouting of Soils – Warner

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

 Wednesday, June 4

8:00 -9:40 a.m. Basics of Drilling, Principles of QA/QC and Verification - Bruce

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

9:50 – 10:40 a.m. Computer Controlled Grouting & Advantages of Stable Grout - Dreese

10:45 a.m. -12:15 p.m. Specialized Grouting Techniques:  Anchors and Micropiles - Bruce

Prestressed rock and soil anchors

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

Micropiles

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

1:15 -2:05 p.m. Composite Cutoffs for Dams - Bruce

Grouting
Deep mixing
Diaphragm Walls

2:10 - 3:00 p.m. Basics of Crisis Management - Dealing With Massive Inflows - Bruce

3:10 - 4:00 p.m. Slab Jacking/Grout Jacking- Warner

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

4:00 - 5:00 p.m. Structural Grouting- Warner

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

Thursday, June 5

8:00 – 8:50 a.m. Hydraulic Cement Grout Additives - Goodwin

Cementitious materials review (optional, briefly refreshing the topics from previous lectures such as Monday's sessions on cements and materials)
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

8:55 – 9:35 a.m. Foaming Agents - Palladino

9:40 – 10:30 a.m. – Overview of Cement Grouting Equipment - Warner

Grout mixers
Material handling
Grout agitators
Grout pumps
Monitoring and control equipment
Packers

10:30 a.m. -5:00 p.m. Field Demonstrations at Hayward Baker Inc., - Denver, Via Chartered Bus

Friday, June 6

8:00 – 8:50 a.m. – Grout Equipment Maintenance - Hegebarth

Mixers

Paddle mixers
Agitators
Colloidal mixers
Ribbon blenders

Grout Pumps

Reciprocating pumps
Rotary pumps
Peristaltic pumps

8:55 – 10:55 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

11:05 a.m. – 12:00 p.m. Overview of Grouting for Underground Structures - Henn

1:00 – 2:30 p.m. Pre-Excavation Grouting for Underground Structures - Garshol

2:40 – 4:00 p.m. Tunnel Grouting – Contractor Considerations - Petersen/Morrison

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

4:10 – 5:00 p.m. Contractor Case Histories - Harris

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