Coulomb's Theory: Earth Pressure

# Coulomb's Theory: Earth Pressure Video Lecture | Soil Mechanics - Civil Engineering (CE)

## Soil Mechanics

30 videos|76 docs|74 tests

## FAQs on Coulomb's Theory: Earth Pressure Video Lecture - Soil Mechanics - Civil Engineering (CE)

 1. What is Coulomb's Theory of Earth Pressure in civil engineering?
Ans. Coulomb's Theory of Earth Pressure is a concept in civil engineering that describes the behavior of soil when subjected to external pressures. It states that the pressure exerted by a soil mass on a retaining wall or structure is influenced by the angle of internal friction and the cohesion of the soil.
 2. How is Coulomb's Theory applied in civil engineering projects?
Ans. Coulomb's Theory is applied in civil engineering projects, particularly in the design and analysis of retaining walls, sheet piles, and other structures that involve soil pressure. It helps engineers determine the stability of these structures by considering the soil properties and the forces acting upon them.
 3. What are the key factors considered in Coulomb's Theory of Earth Pressure?
Ans. Coulomb's Theory considers two key factors: the angle of internal friction and the cohesion of the soil. The angle of internal friction represents the resistance of the soil particles to sliding along each other, while cohesion represents the bonding between the soil particles. These factors are crucial in determining the magnitude and distribution of earth pressures.
 4. How does Coulomb's Theory differ from other theories of earth pressure?
Ans. Coulomb's Theory differs from other theories of earth pressure, such as Rankine's Theory, by considering the shear strength of the soil. While Rankine's Theory assumes that the soil is purely granular and neglects any cohesion, Coulomb's Theory accounts for both the frictional and cohesive forces in the soil. This makes it more suitable for analyzing soils with varying properties.
 5. Can Coulomb's Theory be applied to all types of soil?
Ans. Coulomb's Theory can be applied to a wide range of soil types, including cohesive soils (such as clay) and granular soils (such as sand). However, it is important to note that the accuracy of the theory's predictions may vary depending on the specific characteristics of the soil. Engineers should consider site-specific conditions and conduct appropriate soil testing to ensure accurate analysis and design.

## Soil Mechanics

30 videos|76 docs|74 tests

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