Derivation of maximum normal stress at principal plane
Derivation of maximum normal stress at principal plane To find the maximum value of normal stress at some angle, we have to differentiate the normal stress transformation equation, (which we derived in...
View ArticleShear stress equation on an oblique section of body
Shear stress equation on an oblique section of body: Below is the derivation of the shear stress equation on an oblique section of a body in terms of co-ordinate stresses. The post Shear stress...
View ArticleDerivation of the angle at which shear stress is maximum
Derivation of the angle at which shear stress is maximum: Shear stress is maximum at 45 degree from the principal plane. Below is the derivation of the angle at which shear stress is maximum....
View ArticleShear stress is zero at principal plane
Proof of the statement “Shear stress is zero at principal plane.” At principal plane shear stress is zero. There is maximum direct or normal stress but no shear stress at principal plane. The post...
View ArticleMaximum principal stress theory of failure with equations
Maximum principal stress theory : This theory states that “A structural component will fail when maximum principal stress of the system will become equal to the yield strength of same material in a...
View ArticleMaximum Principal strain theory or Saint Venant theory with equation
Maximum principal strain theory : This theory states that “ Yielding in a member subjected to complex/compound stress system commences when maximum principal strain of the system becomes equal to the...
View ArticleDefinition of Principal stresses | Principal plane | Principal Axis
Principal stresses : Principal stresses may be defined as ” The extreme values of the normal stresses possible in the material.” These are the maximum normal stress and the minimum normal stress....
View ArticleStrain measuring instruments | Strain Gauges
Strain measuring instruments : These are of the following types : Mechanical. Electrical. (Strain gauges) Photoelectrical. Basic working principle of strain gauges : In 1856, Kelvin observed that...
View ArticleDefinition of shear Center
Shear Center Shear center is defined as the point on the beam section where load is applied and no twisting is produced. At shear center, resultant of internal forces passes. On symmetrical sections,...
View ArticleDefinition of Thin-walled open sections
Thin-walled open sections Thin-walled open sections may be defined as The sections in which the thickness of material is small as compared with the overall geometry of the material and there is only...
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