## Strength of materials |

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Page 35

In engineering work, strains of the order of 1.0 X l0_3 m/ m are frequently

encountered. Proportional llmlt From the origin 0 to a point called the

deduce ...

In engineering work, strains of the order of 1.0 X l0_3 m/ m are frequently

encountered. Proportional llmlt From the origin 0 to a point called the

**proportional****limit**, Fig. 2-1 shows the stress-strain diagram to be a straight line. From this wededuce ...

Page 37

In actual design, the allowable stress aw should be limited to values not

exceeding the

Hooke's law on which all subsequent theory is based. However, since the

proportional ...

In actual design, the allowable stress aw should be limited to values not

exceeding the

**proportional limit**so as not to invalidate the stress-strain relation ofHooke's law on which all subsequent theory is based. However, since the

proportional ...

Page 449

For steel with a

formula with hinged ends require that L / r > 100. If L / r < 100, the limiting stress is

the

...

For steel with a

**proportional limit**of 200 MPa, the specifications for Euler'sformula with hinged ends require that L / r > 100. If L / r < 100, the limiting stress is

the

**proportional limit**. The specified working load, when multiplied by the factor of...

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allowable stresses aluminum angle applied load area-moment method assumed axial load beam in Fig beam loaded beam shown bolt bronze cantilever beam caused centroid column compressive stress concentrated load continuous beam cross section deﬂection deformation Determine the maximum diameter elastic curve element end moments equal equilibrium equivalent exploratory section factor of safety fibers ﬂexural flexural stress Flgure free-body diagram Hence horizontal ILLUSTRATIVE PROBLEMS kN-m kN/m length loaded as shown maximum shearing stress maximum stress midspan midspan deﬂection Mohr’s circle neutral axis normal stress obtain plane positive principal stresses proportional limit radius reaction resisting restrained beam resultant rivet segment shaft shear center shear diagram shearing force shearing strain shown in Fig simply supported beam slope Solution span static equilibrium statically indeterminate steel strain tangent drawn tensile stress three-moment equation torque torsional uniformly distributed load value of E18 vertical shear weld