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Compressibility of Soils Video Lecture | Soil Mechanics - Civil Engineering (CE)

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FAQs on Compressibility of Soils Video Lecture - Soil Mechanics - Civil Engineering (CE)

1. What is soil compressibility?
Ans. Soil compressibility refers to the tendency of a soil to decrease in volume under an applied load. It is a measure of how much a soil can be compressed or compacted.
2. How is soil compressibility determined?
Ans. Soil compressibility is determined through laboratory tests such as the oedometer test. In this test, a soil sample is subjected to increasing vertical stress while the change in volume is measured. The compression index (Cc) and the coefficient of volume compressibility (mv) are calculated based on the test results.
3. What factors influence the compressibility of soils?
Ans. Several factors influence the compressibility of soils, including the soil type, moisture content, degree of saturation, and the presence of organic matter. Additionally, the load duration and stress history also play a role in soil compressibility.
4. How does soil compressibility affect civil engineering projects?
Ans. Soil compressibility is a crucial consideration in civil engineering projects as it affects the stability and settlement of structures. High compressibility can lead to excessive settlement, which can cause structural damage and instability. Therefore, engineers need to account for soil compressibility when designing foundations and other structures.
5. What are some methods to mitigate soil compressibility issues?
Ans. There are several methods to mitigate soil compressibility issues. One approach is to preconsolidate the soil through preloading, which involves applying a temporary load to the soil to accelerate the settlement process before construction. Other methods include soil stabilization techniques such as soil improvement with lime or cement, or the use of geosynthetics to reinforce the soil and reduce its compressibility.
30 videos|77 docs|74 tests

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