## Strength of materials |

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Page 30

Working Stress and

stress the material has when under load. It is almost synonymous with allowable

stress, which is the maximum safe stress a material may carry. In actual design ...

Working Stress and

**Factor of Safety**. The working stress is defined as the actualstress the material has when under load. It is almost synonymous with allowable

stress, which is the maximum safe stress a material may carry. In actual design ...

Page 397

Determine the safe central load, using a

psi. Ans. P = 2770 lb 1104. A square steel bar is to support a load of 20,000 lb on

a length of 10 ft. Assuming rounded ends, determine the length of each side.

Determine the safe central load, using a

**factor of safety**of 2 and E = 10.3 X 106psi. Ans. P = 2770 lb 1104. A square steel bar is to support a load of 20,000 lb on

a length of 10 ft. Assuming rounded ends, determine the length of each side.

Page 427

Using a

efficiency of the joint, and the maximum internal pressure that can be carried in a

5-ft-diameter boiler for which this joint is the longitudinal seam. Fig. 12-7. Solution

: ...

Using a

**factor of safety**of 5, determine the strength of a repeating section, theefficiency of the joint, and the maximum internal pressure that can be carried in a

5-ft-diameter boiler for which this joint is the longitudinal seam. Fig. 12-7. Solution

: ...

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allowable stresses aluminum angle assumed axes axial load beam in Fig beam loaded beam shown bending bolt cantilever beam caused centroid CN CN column compressive stress Compute the maximum concentrated load concrete cover plate 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 hinged Hooke's law horizontal ILLUSTRATIVE PROBLEMS lb/ft length loaded as shown main plate maximum shearing stress maximum stress midspan midspan deflection modulus Mohr's circle moments of inertia neutral axis obtain plane plastic positive product of inertia proportional limit radius ratio reaction Repeat Prob resisting restrained beam resultant segment shaft shear center shear diagram shearing force shown in Fig Solution Solve Prob span static steel strain tensile stress thickness torque torsional uniformly distributed load vertical shear weld zero