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Shape: The pressure bulb is typically depicted as a three-dimensional shape, often resembling an inverted cone or pyramid. It extends downwards from the base of the loaded area or foundation into the soil.

Distribution: Within the pressure bulb, the pressure is not uniformly distributed. It is highest at the base of the loaded area and decreases with depth. The pressure distribution is influenced by factors such as the shape and size of the foundation, the load magnitude, and the properties of the soil.

Depth: The depth of the pressure bulb varies depending on the characteristics of the foundation and the soil. Deeper foundations will have deeper pressure bulbs.

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What are the importance of pressure bulb?

The Zone in a loaded soil mass bounded by any arbitrary isobar is known as a pressure bulb. The vertical pressure at any point on the surface of the pressure bulb is the same.


Why the principle of effective stress important in soil mechanics?

coz at the end of structure construction soil grains are the one whic carry the load so useful in analysis of bearing capacity of granular soil


A final year project topics on soil and water engineering?

Soil Mechanics & GeoTechnical EngineeringSoil LiquefactionReady mix concrete plantsPile foundationImprovement of bearing capacity of sandy soil by groutingGround improvement techniqueUse of plastic as soil stabilizerErosion control in slope


Would you expect the suction in the soil to be 0 at any time?

Soil suction is zero at the phreatic surface. This is the point where the pore water pressure is equal to the pore air pressure. Above this surface pore water pressure becomes increasingly negative compared to pore air pressure and as such matric suctions develop. Below the phreatic surface the pore water pressure becomes increasingly positive and the pore spaces are totally saturated.


What is the difference between bearing capacity and bearing pressure?

bearing capacity is the capacity of soil or strata that can be able to sustain the load of superstructure in the unit of load per m2 either ton/m2 or KN/m2 bearing pressure is nothing but bearing capacity example when you apply 100 KN on a unit area, equal opposite pressure will rise from the soil. load / area = bearing capacity

Related Questions

What are the importance of pressure bulb?

The Zone in a loaded soil mass bounded by any arbitrary isobar is known as a pressure bulb. The vertical pressure at any point on the surface of the pressure bulb is the same.


How can pressure bulb of a foundation influence depth of soil investigation?

The pressure bulb of a foundation can influence the depth of soil investigation by affecting the stress distribution in the soil layers. A larger pressure bulb may result in increased stress in deeper soil layers, impacting their behavior and properties. This, in turn, may require deeper soil investigation to properly understand the soil's response to loading from the foundation.


What is cell pressure in soil mechanics?

Cell pressure in soil mechanics refers to the pressure exerted by soil particles on a confining wall or membrane surrounding a soil sample during testing. It helps to simulate the stress conditions similar to those found in the natural environment and is crucial for understanding the soil's behavior under different loading conditions.


Why soil mechanics as a separate discipline from the general mechanics?

Soil mechanics is separate from general mechanics because soil is a complex material with unique properties like porosity, compressibility, and shear strength that require specialized study. Understanding the behavior of soil is crucial for geotechnical engineering projects such as foundations, retaining walls, and earth dams, making soil mechanics an essential discipline in civil engineering.


What is settlement bulb of pressure?

A settlement bulb is a device used in geotechnical engineering to measure settlement or movement of soil. It is typically installed within a borehole and consists of a circular plate that floats on the soil surface, with a rod extending to the ground surface connecting it to a measuring device. Pressure bulbs are zones of stress or pressure changes around a loaded area, affecting settlement characteristics of soil.


What has the author M Budhu written?

M. Budhu has written: 'Foundations and earth structures' -- subject(s): Foundations, Soil mechanics 'Soil mechanics and foundations' -- subject(s): Foundations, Soil mechanics


What is horizontal pressure?

Horizontal pressure refers to the lateral force exerted by a fluid or solid material in a horizontal direction. In engineering and geotechnical contexts, it often pertains to the pressure that soil or water exerts on structures like retaining walls or underground structures. This pressure can influence the stability and design of these structures, and it is typically calculated using principles of fluid mechanics and soil mechanics. Understanding horizontal pressure is crucial for ensuring safety and structural integrity in construction projects.


What is equipotential line in soil mechanics?

lines that all the points on it have the same head pressure and eqipotential lines are always prependicular to the stream lines .


Why are soil and soil mechanics importance to the civil engineers?

Sand


What is unsaturated soil mechanics?

Unsaturated soil mechanics is the study of the behavior of soil when it contains both air and water in its pore spaces. This differs from saturated soil mechanics, which deals with soil that is completely saturated with water. Understanding unsaturated soil mechanics is crucial in various geotechnical engineering applications, such as slope stability analysis and foundation design.


Is codes for soil mechanics?

yes


What has the author Braja M Das written?

Braja M. Das has written: 'Fundamentals of soil dynamics' -- subject(s): Soil dynamics 'Mechanics for engineers' -- subject(s): Applied Mechanics, Statics, Dynamics 'Principles of foundation engineering' -- subject(s): Foundations 'Civil Engineering' 'Soil mechanics' -- subject(s): Soil mechanics, Laboratory manuals 'Earth anchors' -- subject(s): Foundations, Anchorage (Structural engineering) 'Mechanics for engineers' -- subject(s): Statics, Applied Mechanics 'Shallow foundations bearing capacity and settlement' -- subject(s): Foundations, Settlement of structures, Soil mechanics 'Microevolution' 'Introduction to geotechnical engineering' -- subject(s): Soil mechanics, Engineering geology 'Fundamentos de Ingenieria Geotecnica' 'Principles of geotechnical engineering' -- subject(s): Soil mechanics, Engineering geology 'Principles of soil dynamics' -- subject(s): Soil dynamics 'Solutions manual'