A geotechnical laboratory plays a vital role in analyzing the physical and mechanical properties of soil and rock. These tests are crucial for foundation design, slope stability, and even mining planning. Below are some of the most common geotechnical laboratory testing equipment along with their functions:
Triaxial Test Machine
Function: Measures the shear strength of soil under consolidated and unconsolidated conditions (UU, CU, CD).
Standards: ASTM D2850, D4767, D7181
Application: Used for slope stability analysis and foundation design.
Direct Shear Test
Function: Tests soil shear strength along a specific plane.
Standards: ASTM D3080, BS1377
Application: Commonly applied in shallow foundation and retaining wall projects.
Unconfined Compression Test (UCT)
Function: Determines the unconfined compressive strength of cohesive soil.
Standard: ASTM D2166
Application: Assessment of subgrade soil strength.
Permeability Test
Function: Measures the rate of water flow through soil.
Application: Evaluates soil stability against seepage and supports drainage design.
Atterberg Limits Test
Function: Determines the plastic and liquid limits of soil.
Standard: ASTM D4318
Application: Soil classification and stability evaluation.
Specific Gravity Test
Function: Determines the specific gravity of soil particles.
Standard: ASTM D854
Application: Supports further advanced laboratory analyses.
Point Load Test
Function: Evaluates rock strength using concentrated pressure.
Standard: ASTM D5731
Application: Assessment of rock core quality from drilling.
California Bearing Ratio (CBR)
Function: Measures the bearing capacity of soil for roadways and embankments.
Standards: ASTM D1883 / SNI 1738
Application: Widely used in road and pavement design.
Consolidation/Oedometer Test
Function: Assesses the compressibility of saturated soil under load.
Standard: ASTM D2435
Application: Essential for designing foundations of multi-story buildings.
Hydrometer & Sieve Analysis
Function: Determines soil particle size distribution.
Standards: ASTM D422, D421
Application: Soil classification for geotechnical projects.
GeoSynergy Solution Commitment
As an internationally standardized soil and rock testing laboratory, PT Geo Sinergi Utama (GeoSynergy Solution) provides comprehensive services based on ASTM and SNI standards. Our work is supported by modern equipment and a team of professional experts in geotechnical engineering, geology, and environmental sciences.
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