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32 Cards in this Set
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Gauge distance of speciment 
5.65 sqft (A) 

Modulus of toughness 
The amount of work required per unit volume to cause failure 

Modulus of resilience 
The energy stored per unit volume at elastic limit 

Relationship with elastic constants 


Independent elastic constants for isotropic , orthotropic and anisotropic material 
Isotropic 2 Orthotropic 9 Anisotropic  21 

Change in length for uniformly tapering section 


Deformation due to self weight of body alone 


Change in length for tapering rectangular section 


Volumetric strain 


Modulus of resilience and modulus of toughness from stress strain graph 
1,Modulus of resilience  Area under stress strain diagram upto elastic limit. 2.Modulus of toughness  Area under stress strain graph upto failure


Plane stress and plane strain examples 
Plane stress  Thin members Plane strain  Retaining walls 

Normal and shear stress on a plane 


Principal stresses and position of planes 


Maximum value of shear stress and it's plane 


Radius of gyration 


CG of trapezoid 
From b 

A beam of rectangular section is cut from a circular log of dia d then ratio of h to b for max sextion 


Shear stress distribution 


Max shear stress for rectangular, circular , triangular and diamond section 
Diamond 9/8 

Torsion eqn 


Max power transmitted by circular shaft 


Angle of twist 


Power transmitters by shaft 
N is in rpm 

Maximum normal stress and shear stress in case of combined bending and torsion case 


Strain energy due to torsion 


Moment on fixed support due to sinking of loads 


Moment on fixed support due to angular rotation of support 


Shear centre of channel 


Deflection of closed coil helical spring 


Shape factor for different sections 


Length of plastic zone for concentrated load and udl 


Modular ratio in working stress method 
