by admin | Jun 2, 2015 | sem1
Thermal Conductivity In physics, thermal conductivity(often denoted k, λ, or κ) is the property of a material to conduct heat. It is evaluated primarily in terms of Fourier’s Law for heat conduction. Heat transfer occurs at a lower rate across materials of low...
by admin | Jun 2, 2015 | sem1
I Shaped Girders A girder bridge, in general, is a bridge that utilizes girders as the means of supporting the deck. A bridge consists of three parts: the foundation (abutments and piers), the superstructure (girder, truss, or arch), and the deck. A girder...
by admin | Jun 2, 2015 | sem1
Depression of cantileverA cantilever is a rigid structural element, such as a beam or a plate, anchored at only one end to a (usually vertical) support from which it is protruding. Cantilevers can also be constructed with trusses or slabs. When subjected to a...
by admin | Jun 2, 2015 | sem1
Bending Moment A bending moment is the reaction induced in a structural element when an external force or moment is applied to the element causing the element to bend. The most common or simplest structural element subjected to bending moments is the beam. The...
by admin | Jun 2, 2015 | sem1
FACTORS AFFECTING ELASTICITY : a. Effect of temperature : In general as the temperature increases the elastic property of a material decreases. b. Effect of impurities : Addition of impurity to metal may increase or decrease the elasticity. If the impurity has more...
by admin | Jun 2, 2015 | sem1
Poisson’s ratio Poisson’s ratio is the ratio of transverse contraction strain to longitudinal extension strain in the direction of stretching force. Tensile deformation is considered positive and compressive deformation is considered negative. The...
