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Absorption coefficient of concrete for what? For sound waves, mechanical vibrations, radiation, etc...
Next question is for what energy? Coefficient if a function of energy rather than a constant.
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What is the absorption coefficient of concrete for radiation?
The absorption coefficient of concrete for radiation depends on several factors such as the type of radiation (gamma, neutron, etc.), the composition of the concrete, and the energy level of the radiation. Generally, concrete is considered a good shielding material for radiation due to its high density and composition. It typically has absorption coefficients that can range from 0.1 to 10 cm^-1 for gamma radiation.
Coefficient of friction between concrete and concrete?
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What is an absorption coefficient?
An absorption coefficient is a measure of the absorption of electromagnetic radiation as it passes through a specific substance - calculated as the fraction of incident radiation absorbed by unit mass or unit thickness.
What is absorption coefficient of iron?
The absorption coefficient of iron depends on the specific conditions, such as the wavelength of the incident radiation or the form of iron being used. In general, iron has a moderate absorption coefficient, meaning it can absorb a significant amount of radiation but may not be as efficient as some other materials. Measurements must be taken under specific conditions to accurately determine the absorption coefficient for a given application.
What is the value of linear absorption coefficient for Gold?
The linear absorption coefficient for gold depends on the wavelength of the incident light. At a typical visible wavelength of around 550 nm, gold has a linear absorption coefficient of approximately 5.5 x 10^5 cm^-1.
What is absorption coefficients?
Absorption coefficients measure how well a material absorbs energy (such as light, sound, or radiation) at a given frequency. Higher absorption coefficients indicate stronger absorption of the energy by the material. They are commonly used in various scientific fields to understand the interactions between materials and energy.
What is a linear absorption coefficient by using He-Ne laser?
The linear absorption coefficient is a measure of how much a material absorbs light at a specific wavelength. It is typically expressed in units of cm^-1. By using a He-Ne laser, which emits light at a specific wavelength of 632.8 nm, one can measure the absorption of a material at that particular wavelength to determine its linear absorption coefficient.
What is absorption coefficient of Aluminum?
The absorption coefficient of aluminum typically depends on factors such as the thickness of the aluminum and the wavelength of the incident radiation. In general, aluminum has good optical transparency in the visible spectrum but absorbs strongly in the ultraviolet and infrared regions. Its absorption coefficient can vary from near-zero to high values depending on these factors.
How do you calculate absorption coefficient of water?
water absorption coefficient = 1/a x M/sqrt time a = surface area M = Mass of water absorbed This calculation is relevant to Properties of Masonry Units.
What is the manning resistance coefficient for unfinished concrete in English units?
First, Manning's roughness coefficient is dimensionless. Second, usually unfinished concrete is assigned an n value of 0.014 whereas finished concrete is assigned an n value of 0.012.
Is concrete has a better coefficient of friction than asphalt?
Yes, concrete typically has a higher coefficient of friction than asphalt due to its rougher texture. This makes concrete surfaces less slippery and provides better traction for vehicles and pedestrians.
What is definition of water absorption of concrete block?
Water absorption of concrete block is a measure of the amount of water that can be absorbed by the block when it is immersed in water or subjected to moisture. It is an important property as excessive water absorption can lead to durability issues such as freeze-thaw damage and reduced strength. The water absorption of concrete block is typically expressed as a percentage of its weight.
