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Questions and Answers
What does the Standard Penetration Test (SPT) measure in foundation engineering?
What does the Standard Penetration Test (SPT) measure in foundation engineering?
What is the typical depth interval for conducting Standard Penetration Test (SPT) in foundation engineering?
What is the typical depth interval for conducting Standard Penetration Test (SPT) in foundation engineering?
What does the N-value obtained from the Standard Penetration Test (SPT) indicate?
What does the N-value obtained from the Standard Penetration Test (SPT) indicate?
Study Notes
Standard Penetration Test (SPT) in Foundation Engineering
- The Standard Penetration Test (SPT) measures the resistance of soil to penetration, which helps in determining the soil's strength and density.
- The test is typically conducted at depth intervals of 1.5 to 2 meters (5 to 6 feet) to provide a detailed profile of the subsurface soil layers.
N-Value Obtained from SPT
- The N-value obtained from the Standard Penetration Test (SPT) indicates the number of blows required to drive the split-spoon sampler 300 mm (12 inches) into the soil.
- A higher N-value indicates denser or harder soil, while a lower N-value indicates softer or looser soil.
- The N-value is used to estimate the soil's bearing capacity, settlement, and liquefaction potential.
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Description
Test your knowledge of foundation engineering with this quiz on the Standard Penetration Test (SPT). Explore what the test measures, the typical depth interval for conducting it, and what the N-value obtained indicates.