Online Course Lessons | KGRE AS | Grouting Education
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Lessons for Groundwater Control & Grouting

Various aspects of grouting, like design, equipment, execution and strategies.

📚 Complete Grouting Course Series

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Master Pre-Excavation Grouting Fundamentals

🎓 9 Comprehensive Lessons
⏱️ Total Duration: ~2 hours
📱 Lifetime Access

Comprehensive video training covering all essential aspects of pre-excavation grouting, from fundamentals to advanced techniques. Learn from 50+ years of field experience in hard rock tunneling projects worldwide.

SAVE 25%
Complete Series
€129
All 9 lessons included
Individual Lessons
€19
Per lesson
Buy Complete Series €129
1 ~12 min

Introduction to Pre-Excavation Grouting

  • PEG fundamentals and principles
  • Why groundwater control matters
  • Prevention vs. cure strategies
€19 Buy Lesson
2 ~15 min

Permeability Analysis & Testing

  • Lugeon test methodology
  • K-value calculations
  • Interpreting test results
€19 Buy Lesson
3 ~14 min

Grout Materials Selection

  • Micro-fine cement properties
  • Colloidal silica applications
  • Material cost-benefit analysis
€19 Buy Lesson
4 ~13 min

Grouting Design & Strategy

  • Probe drilling patterns
  • Grout hole spacing & depth
  • Overlap requirements
€19 Buy Lesson
5 ~15 min

Equipment & Tools

  • Drilling equipment selection
  • Grouting pumps & mixers
  • Packers and accessories
€19 Buy Lesson
6 ~12 min

Execution Best Practices

  • Stop criteria (pressure & quantity)
  • Quality control procedures
  • Common mistakes to avoid
€19 Buy Lesson
7 ~14 min

Safety & Risk Management

  • High-pressure safety protocols
  • Equipment safety features
  • Emergency procedures
€19 Buy Lesson
8 ~13 min

Troubleshooting & Problem-Solving

  • Dealing with backflow issues
  • Poor ground conditions
  • High-volume water ingress
€19 Buy Lesson
9 ~15 min

Cost-Benefit Analysis & Optimization

  • PEG vs. post-grouting economics
  • Material cost optimization
  • Project efficiency strategies
€19 Buy Lesson
10 Coming Soon

Managed Grout Setting Time

  • Purposes and Benefits
  • Matching of Cement and Accelerator
  • Equipment Requirements
Forthcoming Suggest New Lessons!

🎤 Colorado School of Mines Guest Lecture

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🎓

Groundwater Control in Tunnelling

Presented at Colorado School of Mines

📅 January 27, 2021
⏱️ 50 minutes
📊 74 slides
🎯 Advanced Level

What You'll Learn

Comprehensive presentation covering analytical, numerical, and empirical approaches to groundwater control in hard rock tunneling. Includes real-world case studies from Norway, Hong Kong, and Sri Lanka.

Part I: Tunnel Ingress Estimation

Analytical methods, numerical modeling, and the Ron Heuer empirical approach for predicting water inflow.

Part II: Pre-Excavation Grouting

Prevention strategies, grout selection (MFC vs OPC), execution procedures, and specialized equipment.

Real-World Case Studies

Romeriksporten (Norway), HATS Stage 1&2 (Hong Kong), Uma Oya (Sri Lanka), and Gotthard Tunnel examples.

🎁 FREE BONUS - Full Presentation

Watch the Complete 50-Minute Lecture

Free access to the full Colorado School of Mines presentation

⭐ Presented by Knut F. Garshol at Colorado School of Mines, January 2021

Key Topics Covered

  • Analytical & numerical methods for estimating tunnel water ingress
  • Ron Heuer Method for permeability-based predictions
  • Prevention vs. cure: Why PEG is superior to post-grouting
  • Micro-fine cement (MFC) vs. ordinary Portland cement (OPC)
  • Colloidal silica applications in fault zones
  • Systematic probe drilling and execution steps
  • Equipment setup: pumps, mixers, packers, and automation
  • Cost-benefit analysis: MFC vs OPC economics
  • Safety considerations and risk management
  • Effect of PEG on tunnel advance rates
  • Ground stability improvement through grouting
  • Catastrophic failure examples and lessons learned