👉Geotechnical Engineers ለ job entrance exam የሚሆኑ ወሳኝ ጥያቄዎች።
1. #What is Standard Penetration Test (SPT)?
It is an in-situ test used to determine soil strength and density by driving a split-spoon sampler into the ground and counting the blows for 30 cm penetration (N-value).
2. #What is the significance of SPT-N Value?
It indicates soil relative density and bearing capacity. Higher N-values mean denser and stronger soil.
3. #Explain Plate Load Test.
A field test that determines the allowable bearing capacity and settlement of soil by applying incremental loads to a rigid plate placed at foundation level.
4. #What is Atterberg Limits?
Limits representing the water contents at which fine-grained soil changes consistency:
Liquid Limit (LL), Plastic Limit (PL), and Shrinkage Limit (SL).
5. #Define Plasticity Index (PI).
PI = LL − PL; measures soil plasticity and clay content.
6. #What is Consolidation Test?
A laboratory test performed on clay soil to determine settlement characteristics and compressibility under loading.
7. #What is coefficient of permeability (k)?
It measures how easily water flows through soil, determined by falling-head or constant-head permeability tests.
8. #What is Differential Settlement?
Uneven settlement of a structure due to non-uniform soil conditions or load distribution, causing structural cracks and distortions.
9. #What is Soil Compaction?
The densification of soil by mechanical means to increase shear strength and reduce air voids.
10. #What is Proctor Test?
Laboratory compaction test used to determine Optimum Moisture Content (OMC) and Maximum Dry Density (MDD).
@etconp
1. #What is Standard Penetration Test (SPT)?
It is an in-situ test used to determine soil strength and density by driving a split-spoon sampler into the ground and counting the blows for 30 cm penetration (N-value).
2. #What is the significance of SPT-N Value?
It indicates soil relative density and bearing capacity. Higher N-values mean denser and stronger soil.
3. #Explain Plate Load Test.
A field test that determines the allowable bearing capacity and settlement of soil by applying incremental loads to a rigid plate placed at foundation level.
4. #What is Atterberg Limits?
Limits representing the water contents at which fine-grained soil changes consistency:
Liquid Limit (LL), Plastic Limit (PL), and Shrinkage Limit (SL).
5. #Define Plasticity Index (PI).
PI = LL − PL; measures soil plasticity and clay content.
6. #What is Consolidation Test?
A laboratory test performed on clay soil to determine settlement characteristics and compressibility under loading.
7. #What is coefficient of permeability (k)?
It measures how easily water flows through soil, determined by falling-head or constant-head permeability tests.
8. #What is Differential Settlement?
Uneven settlement of a structure due to non-uniform soil conditions or load distribution, causing structural cracks and distortions.
9. #What is Soil Compaction?
The densification of soil by mechanical means to increase shear strength and reduce air voids.
10. #What is Proctor Test?
Laboratory compaction test used to determine Optimum Moisture Content (OMC) and Maximum Dry Density (MDD).
@etconp
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