Description
1. Field Density Test
A Field Density Test (FDT) is a method used to determine the density (or compaction) of soil or other materials in the field, typically at construction sites. This test helps ensure that the soil compaction meets the required specifications tosupport structures or pavements.
- Sand Cone Method - Small / Large
- Core Cutter Method
2. In-situ CBR (California Bearing Ratio) Test
- Loader Method
- Clegg Impact Method
3. Moisture Content
- Oven Drying Method
- Moisture Meter
- Alcohol Drying Method
4. Soil Compaction Test (MDD Relationship)
- 2.5/4.5kg hammer method
- Vibrating hammer method
5. Linear Shrinkage
The Linear Shrinkage Test is used to measure the shrinkage of a soil sample as it dries. This test is important because it helps determine the soil's potential for shrinkage, which can affect the stability and structure of soil in construction projects. Shrinkage can lead to cracking, soil volume changes, and potential damage to foundations, roads, and buildings.
6. Particle Density
The Particle Density of soil is a measure of the mass of soil particles per unit volume. It is an important property in soil science because it helps in understanding the soil's texture and structure, which influences water retention, nutrient availability, and soil porosity.
7. Particle Size Distribution
- Wet/ Dry Sieving Method
- Hydrometer Method
8. Proof Rolling Test
The primary goal of proof rolling is to detect any weak, unstable, or poorly compacted areas in the subgrade (the ground layer that serves as the foundation for the pavement or structure). If any weak spots are found, additional compaction or stabilization methods can be applied to ensure the foundation is solid and stable before proceeding with further construction.
9. Atterberg Limits Tests
- Casagrande Method
- Cone Penetration (Fall Cone) Method
10. Specific Gravity of Soil
- Pycnometer Method (Standard Method)
- Density Bottle Method
11. Triaxial Compression Test
- Unconsolidated-Undrained (UU) Test
- Consolidated-Undrained (CU) Test
- Consolidated-Drained (CD) Test
12. Plate Bearing Test
The Plate Bearing Test (PBT) is a field test used in geotechnical engineering to determine the bearing capacity and deformation characteristics of the ground, usually for the design of foundations. The test measures the load settlement behavior of the soil under a rigid plate, which simulates the pressure exerted by a foundation.
13. Mackintosh Probe Test
The Mackintosh Probe Test is a method used in geotechnical engineering to assess the strength and stiffness of soil, particularly the shear strength of the soil at the surface or near-surface level. This test is often used in fields like foundation design, slope stability analysis, and other applications where soil properties are crucial.
14. Dynamic Cone Penetration
Dynamic Cone Penetration (DCP) is a field testing method used to assess the strength and characteristics of soil. It involves driving a cone into the ground with a hammer of a known weight, which is repeatedly dropped from a fixed height. The resistance to penetration is measured based on the number of blows required to drive the cone a certain distance into the soil.
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