# Shear - ME-313/513 LABORATORY SHEAR STRENGTHOBJECTIVE The...

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Unformatted text preview: ME-313/513 LABORATORY SHEAR STRENGTHOBJECTIVE: The objective of this experiment is to determine the shear strength of several materials by a shear punching operation. THEORY: Forces acting along a surface are called shear forces, and the intensity of a shear force is called the shear stress. If the force is applied uniformly on a surface, the shear stress on the surface is the ratio of the applied force to the area over which it acts. Shear stress, τ= (Applied force)/Area The stress is measured in units of force/area. In Customary U.S. units, the unit is pounds per square inchor psi, and in SI units, Newton per square metrealso called Pascal, abbreviated as Pa. One type of shear loading is called punching shear, which is, for example, the action of punching a hole in a metal plate or the tendency of building columns to punch through footings. Under such a loading, the area over which the load acts is the perimeter of the punching member multiplied by the thickness of the punched member. member....
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Shear - ME-313/513 LABORATORY SHEAR STRENGTHOBJECTIVE The...

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