Transcription of UU Triaxial Test - Fullerton
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UU Triaxial Test - Fullerton
Civil & Environmental Engineering Department EGCE 324L (Soil Mechanics Laboratory) Spring 2008 Instructor: Binod Tiwari, PhD Date: 4/28/2008 1UU Triaxial Test Concept of Shear Strength Please refer the same materials you got in Unconfined Compression test. a. Triaxial Shear Test Figure 1 Triaxial compression testing device Civil & Environmental Engineering Department EGCE 324L (Soil Mechanics Laboratory) Spring 2008 Instructor: Binod Tiwari, PhD Date: 4/28/2008 2 Triaxial test is more reliable because we can measure both drained and undrained shear strength. Generally diameter (3 tall) or diameter (6 tall) specimen is used. Specimen is encased by a thin rubber membrane and set into a plastic cylindrical chamber.
This test is common in clayey soils. Application UU triaxial test gives shear strength of soil at different confining stresses. Shear strength is important in all types of geotechnical designs and analyses. Equipment Strain controlled triaxial load frame Triaxial cell assembly Cell pressure supply panel Scale Balance sensitive to 0.1 g
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