Shear Strength (UU, CU, CD Tests) Clear Notes for Geotechnical Basics

PIGSO LEARNING LLP
Published: 13 December 2025

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Understanding shear strength is very important for safe foundation and slope design.

These notes explain UU, CU, and CD triaxial tests in a simple way, with clear concepts and practical use cases.

Whats Inside:
Difference between UU, CU, and CD tests
Total stress vs effective stress explained simply
Why pore pressure matters in CU tests
How c and are obtained from test results
Common mistakes engineers make while using test results

Helpful for civil engineers, geotechnical engineers, students, and PLAXIS learners.

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Categories

Shear Strength of Underground Materials

Keywords

PLAXIS, Shear Strength