Rock Classification for Geotechnical Engineers & Geologists

What you'll learn

Identify and Classify Rock Mass: Master the international standard to establish the boundary between soil and rock using practical field tests.
Estimate Rock Strength on Site: Confidently estimate Unconfined Compressive Strength (UCS) using the standardized "Fingernail to Hammer" progression.
Calculate Professional Fracture Indices: Master the mathematical calculation of TCR, SCR, and RQD, including the centerline measurement "100mm Rule."
Determine Weathering & Structure: Accurately describe rock weathering grades (0-5) and identify bedding thickness, discontinuities, and corestones.
Map Discontinuity Geometry: Learn to measure and record Dip and Dip Direction to identify planes of weakness that control slope and tunnel stability.
Translate Field Data to Design: Understand how field observations feed directly into RMR, Q-System, and GSI classification systems for engineering design.

Requirements

Basic Understanding of Civil Engineering or Geology: A fundamental grasp of earth sciences or construction is helpful but not mandatory.
Recommended: Ideally, students should have completed my first course, "Geotechnical Investigation Essentials," to understand the full project lifecycle.
Field Tools (Optional): Access to a geological hammer, a pocket knife, and a 10x hand lens will help you follow along with the practical demonstrations.

Description

Disclosure: "This course contains the use of artificial intelligence."
Welcome to the ultimate field guide for Rock Classification.
Most engineers learn the math of rock mechanics in university, but they learn the actual job by making expensive mistakes on the drill rig. This course bridges that gap. Based on the international standard ISO 14689, this comprehensive masterclass takes you from opening a core box to producing bulletproof design reports.
What makes this course different?
We address the high-stakes field risks that textbooks ignore. You will learn to identify "The Refusal Myth"—where dense soil is mistaken for bedrock—and navigate "The Corestone Trap"—where foundations are accidentally placed on floating boulders.
In 13 in-depth episodes, we cover
• The Soil vs. Rock boundary (The Water Test).
• Field identification of Sedimentary, Igneous, and Metamorphic rocks.
• Standardized color (Munsell) and Grain Size analysis.
• Estimating UCS strength without a lab (Fingernail to Hammer progression).
• Mastering Discontinuity geometry: Dip, Dip Direction, and Roughness (JRC).
• Calculating Fracture Indices (RQD, TCR, SCR) using the 100mm centerline rule.
• Translating field data into RMR, Q-System, and GSI.
• Professional Reporting and digital AGS data transfer.
You won't just get videos. Enrollment includes a 200-page technical reference library and the exclusive Geotech Masters Field Checklist. Whether you are a Junior Engineer, a Field Geologist, or a Drill Rig Operator, this course will give you the confidence to speak the true language of the earth.
Stop guessing. Master the ground. Build your career with Geotech Masters.

Who this course is for

Early-Career Geotechnical Engineers & Geologists: Professionals who want to move beyond university theory and speak the "true language" of the earth on site.
Field Technicians & Borehole Loggers: Anyone responsible for opening a core box and producing standardized, professional logs that design engineers can trust.
Drill Rig Operators & Offsiders: Crews looking to elevate their status to technical partners by understanding the engineering science behind sample recovery.
Construction & Project Managers: Leaders who need to identify high-stakes risks like "The Refusal Myth" and "Corestone Traps" before they impact project budgets.
Civil Engineering Students: Ambitious graduates seeking the practical, field-ready skills that are rarely taught in the classroom.

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