Strength and stiffness are not the same thing. Here's an analogy: A rubber band is stretched to failure. The rubber band failed at five pounds of force, but it stretched more than double its length before failure. The rubber band was not very stiff. In fact, it was elastic. Next, we stretch a kite string and find that it also fails at five pounds. It only stretched five percent before failure. It is very stiff. Both the rubber band and the kite string have the same ultimate strength. However, one is very stiff and the other is very flexible. This should demonstrate that strength and stiffness are not the same thing, and they are dependent upon the chosen material. Furthermore, the shape of the material also determines its stiffness without affecting its ultimate strength. For instance, if we take a plastic ruler that is 1/8" thick and 1" wide and bend it in the flat direction it is obvious that it is flexible. However, if we try to bend across the 1" thickness we find that it is very stiff. This demonstrates that the shape of the material causes the stiffness to change. We can take a piece of metal with a given weight and length and change its stiffness by making it narrower and thicker. Conversely, we can make it more flexible by making it wider and thinner.
Tensile strength is the ultimate capacity of the material to resist a tensile load regardless of deflection.Tensile modulus also known as Young's modulus, is a measure of the stiffness of an isotropic elastic material. It is defined as the ratio of the uniaxial stress over the uniaxial strain. It is determined from the slope of a stress-strain curve traced during tensile tests conducted on a sample of the material.
difference between the manufacture of bricks and manufacture of tiles
pile is a type of footing,its necessary where the soil strength is low quality,AND piller is a vertical structure which carrying load from slab and pass to footing,its also known as COLUMN.
With regards to concrete strength, a cylinder test strength is usually between 5 and 25 percent less than a cube test strength. You can also try using this equation: fbk=(fck-1.77)/0.83 where fbk is cubic concrete strength and fck is cylindrical strength.
They r the same. There is no difference.
interfacing
The modulus of elasticity measures a material's stiffness and ability to return to its original shape after being deformed, while yield strength indicates the maximum stress a material can withstand before permanent deformation occurs.
The difference between strength and hardness is that the strength refers to the force that is present between the bonds. Strength attributes to how strong or weak the force between the bonds. Hardness refers to the nature of the force, which basically is how rigid or flexible the bonds between particles.
the stiffness of the stick when u flex it
Yes. Conditioning helps you to prepare.
fc'=0.87 fck fc'= cylinder strength fck= cube strength
Young's modulus is a measure of a material's stiffness, indicating how much it will deform under stress. Yield strength, on the other hand, is the point at which a material permanently deforms under stress. Young's modulus and yield strength are related in that materials with higher Young's modulus tend to have higher yield strength, indicating greater resistance to deformation.
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Stiffness refers to a material's resistance to deformation, while modulus measures the material's ability to withstand stress. Stiffness is a property that describes how much a material resists bending or stretching, while modulus quantifies the material's elasticity and stiffness. In materials testing, stiffness is often measured by the material's Young's modulus, which is a specific type of modulus that relates stress to strain.
Isotropic materials have the same mechanical properties in all directions, while orthotropic materials have different properties in different directions. This means that isotropic materials have uniform strength and stiffness, whereas orthotropic materials have varying strength and stiffness depending on the direction of force applied.
Stiffness refers to how much a material resists deformation when a force is applied, while elasticity refers to the ability of a material to return to its original shape after the force is removed. In simpler terms, stiffness is about how hard it is to bend or stretch a material, while elasticity is about how well it can bounce back.
yield strength