## Mechanics of Materials |

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Page 49

So again it becomes necessary to perform the calculations using a safe or

allowable stress. ... The

load that can be carried by the member until it fails in a particular manner (P(m)

divided ...

So again it becomes necessary to perform the calculations using a safe or

allowable stress. ... The

**factor of safety**(F.S.) is a ratio of a theoretical maximumload that can be carried by the member until it fails in a particular manner (P(m)

divided ...

Page 50

In any of these equations, the

than 1 in order to avoid the potential for failure. Specific values depend on the

types of materials to be used and the intended purpose of the structure or

machine.

In any of these equations, the

**factor of safety**is generally chosen to be greaterthan 1 in order to avoid the potential for failure. Specific values depend on the

types of materials to be used and the intended purpose of the structure or

machine.

Page 547

10-84 using the maximum-shear-stress 10-86. The element is subjected to the

stresses shown. If oy = 50 ksi, determine the

on (a) the maximum-shear-stress theory, and {b) the maximum- distortion-energy

...

10-84 using the maximum-shear-stress 10-86. The element is subjected to the

stresses shown. If oy = 50 ksi, determine the

**factor of safety**for this loading basedon (a) the maximum-shear-stress theory, and {b) the maximum- distortion-energy

...

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### Contents

Contents | 1 |

Strain | 67 |

Mechanical Properties of Materials | 83 |

Copyright | |

16 other sections not shown

### Common terms and phrases

allowable shear stress aluminum angle of twist Applying Eq assumed average normal stress axes axial force axial load beam is subjected beam's bolt buckling caused centroid column compressive computed constant cross section cross-sectional area deflection deformation deter Determine the maximum diameter distributed load Draw the shear elastic curve Example factor of safety free-body diagram Hooke's law inertia internal loadings kip/ft length linear-elastic loading shown material maximum bending stress maximum in-plane shear maximum shear stress modulus of elasticity Mohr's circle neutral axis normal strain plane stress plastic positive principal stresses radius resultant internal sectional area segment shaft shear center shear flow shear force shear strain shown in Fig SOLUTION Solve Prob statically indeterminate steel strain energy stress acting stress at points stress components stress distribution stress-strain diagram tensile tensile stress thickness torque torsional tube vertical yield zero