Geotechnical Lab ECIV330L Notes
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Vocabulary flashcards covering key concepts from the Geotechnical Lab ECIV330L lecture notes.
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25 Terms
Visual Soil Identification
A method to identify and describe subsoil conditions by classifying soils into coarse-grained (gravel and sand) and fine-grained (silt and clay).
Specific Gravity
A measure used to determine the phase relationship of air, water, and solids in soil.
Grain Size Distribution
The classification of soil based on the percentage of different particle sizes through methods such as sieve analysis and hydrometer analysis.
Atterberg Limits
Tests that determine the plastic limit (PL) and liquid limit (LL) of fine-grained soils, used to classify soil based on plasticity.
Compaction
The process of determining the relationship between moisture content and dry density in soil, including maximum dry density and optimum water content.
Permeability
The ability of water to flow through a soil sample, which can be evaluated using constant head and falling head tests.
Unconfined Compression
A test to determine the unconfined compressive strength (qu) and unconsolidated undrained shear strength (Su) of clayey soils.
Direct Shear
A test to determine the consolidated-drained shear strength of sandy to silty soils.
Consolidation Test
A test that determines the volume decrease rate and magnitude when soil is subjected to different vertical pressures.
Hydrometer Analysis
A test used to determine the percentage of different grain sizes in fine-grained soils.
Which experiment does this equipment set belong to?
Visual Classification
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Specific Gravity
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Sieve Analysis
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Hydrometer Analysis
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Hydrometer Analysis
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Atterberg Limits
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Compaction Test
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Permeability Test
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Unconfined Compression Test
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Unconfined Compression Test
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Direct Shear Test
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Consolidation Test
Which experiment does this equipment set belong to?
Consolidation Test
What is the measurement on this vernier caliper?
1.315 inch
What is the measurement for this dial gauge for consolidation (soil settlement)?
0.0093 inch
