Strength of Materials |
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Page 28
... proportional to strain . Notice carefully that this proportionality does not extend throughout the diagram ; it ends at the pro- portional limit . Beyond this point , the stress is no longer proportional to the strain . The proportional ...
... proportional to strain . Notice carefully that this proportionality does not extend throughout the diagram ; it ends at the pro- portional limit . Beyond this point , the stress is no longer proportional to the strain . The proportional ...
Page 394
... limiting value is the stress at the proportional limit . The ratio L is called the slenderness ratio of the k column . Since an axially loaded column tends to buckle about the axis of least moment of inertia , the least radius of ...
... limiting value is the stress at the proportional limit . The ratio L is called the slenderness ratio of the k column . Since an axially loaded column tends to buckle about the axis of least moment of inertia , the least radius of ...
Page 397
... proportional limit is 30,000 psi . 1109. Select the lightest WF section that will act as a column 40 ft long with fixed ends and support an axial load of 150,000 lb with a factor of safety of 2. Assume that the proportional limit is ...
... proportional limit is 30,000 psi . 1109. Select the lightest WF section that will act as a column 40 ft long with fixed ends and support an axial load of 150,000 lb with a factor of safety of 2. Assume that the proportional limit is ...
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allowable stresses aluminum angle applied assumed axial load beam in Fig beam loaded beam shown bending bending moment bolt bronze cantilever beam caused centroid column compressive stress Compute the maximum concentrated load concrete continuous beam cross section deformation Determine the maximum diameter elastic curve end moments equal equivalent Euler's formula factor of safety fibers flange flexure formula free-body diagram ft long ft-lb Hence Hooke's law horizontal ILLUSTRATIVE PROBLEMS inertia lb/ft length loaded as shown main plate maximum shearing stress maximum stress midspan deflection modulus Mohr's circle moment of area moment of inertia neutral axis obtain plane positive proportional limit R₂ radius reaction Repeat Prob resisting restrained beam resultant segment shaft shear diagram shearing force shown in Fig Solution Solve Prob span statically indeterminate steel strain tensile stress three-moment equation torque torsional uniformly distributed load vertical shear weld zero ΕΙ