## Strength of materials |

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Page 34

Working Stress and

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

stress aw should be limited to values not exceeding the proportional limit so as ...

Working Stress and

**Factor of Safety**The working stress, also called the allowablestress, is the maximum safe stress a material may carry. In design, the working

stress aw should be limited to values not exceeding the proportional limit so as ...

Page 396

A 50-mm by 100-mm timber is used as a column with fixed ends. Determine the

minimum length at which Euler's formula can be used if E = 10 GPa and the

proportional limit is 30 MPa. What central load can be carried with a

A 50-mm by 100-mm timber is used as a column with fixed ends. Determine the

minimum length at which Euler's formula can be used if E = 10 GPa and the

proportional limit is 30 MPa. What central load can be carried with a

**factor of****safety**of ...Page 398

For columns of effective length Le and minimum radius of gyration r, AISC

specifies that for Le/r > Cc, the working stress, aw, is given by - (U'7) (Note that

this is Euler's formula with a

specifies ...

For columns of effective length Le and minimum radius of gyration r, AISC

specifies that for Le/r > Cc, the working stress, aw, is given by - (U'7) (Note that

this is Euler's formula with a

**factor of safety**of 23/12 = 1.92.) For Le/r < Cc, AISCspecifies ...

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allowable stresses aluminum angle area-moment assumed axes axial load beam in Fig beam loaded beam shown bending bolts cantilever beam caused centroid column components compressive stress Compute the maximum concentrated load connector cross section deformations Determine the maximum diameter elastic curve element end moments equal equivalent Euler's formula factor of safety fibers Figure flange flexure formula free-body diagram Hence Hooke's law horizontal Illustrative Problem kips lb/ft length loaded as shown main plate maximum shearing stress maximum stress method midspan deflection Mohr's circle moments of inertia neutral axis obtain plane plastic positive product of inertia proportional limit radius reaction rectangular resisting resultant rivet rotation segment shaft shear center shear diagram shearing force shown in Fig slope Solution span static steel strain tensile stress thickness three-moment equation torque torsional U.S. Customary Units uniformly distributed load vertical shear weld zero