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Does porosity in building material influence the strength of building?
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What is porosity in welding applicaton?
Porosity is nothing more than bubbles in the weld. Surprisingly a weld can contain quite a bit of porosity without affecting the strength.
Does porosity affect the strength and properties of building materials?
Yes. Porosity is the void space between grains or clasts of a solid material such as the gaps between the grains in sandstone. Rocks that have higher porosity are typically less stiff at small strain values than more porous rocks as the initial deformation closes up the pore spaces which is relatively easy to do compared to causing deformation of the solid clasts. Pore spaces are also preferential pathways of weakness through a material and as such fractures are more likely to form connecting up porous regions of a solid. As such the more porous a given material, the easier it will be for a fracture to propagate through it. Also porous materials are more likely to contain water which can have a signficant impact by causing significant reductions in the materials the compressive strength.
A key building material developed by the Romans that gives great strength and adaptability to structures?
Concrete.
What is the most important limitation of working with some stone as a building material?
It's lack of tensile strength, a.k.a, the capacity of a material to withstand bending
Metamorphic rock such as marble makes good building material because?
Metamorphic rock such as marble make good building material because of it's strength and durability. It is highly desirable in that it takes a high polish.
phisical properties of stone?
Structure. Texture. Density. Appearance. Strength. Hardness. Percentage Wear. Porosity and Absorption.
Is strength building important to bodybuilding?
Yes, strength building is very important to bodybuilding. Strength goes along with building muscle. The more muscle you build, the more strength you will have and the bigger your muscles can get.
Why is timber rarely used as tensioning in structures even though it has a high tensile strength?
Wood actually has an extremely low tensile strength, especially when compared to almost any other building material.
How the strength of the metal differs?
Each metal has its own properties. The Young's Modulus of a material is an example of this and is a ratio of stress over strain. These values give an indication of material strength, the cause of these differences is down to atomic level bonding and atomic interactions which influence the larger scale properties of the metal.
Ultimate tensile strength?
the maximum stress which the material can bear without breaking is called the maximum tensile strength of the material
What happens when stress exceeds the strength of material?
the material looses its shape
What happen when stress exceeds the strength of a material?
the material looses its shape
