## Strength of materials |

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Page 31

Actual rupture ' strength Stress Ultimate strength Rupture strength O

Figure 2-1 Stress-

we divide the elongation 5 by the length L in which it was measured, thereby ...

Actual rupture ' strength Stress Ultimate strength Rupture strength O

**Strain**t = j-Figure 2-1 Stress-

**strain**diagram.**Strain**To obtain the unit deformation or**strain**, t,we divide the elongation 5 by the length L in which it was measured, thereby ...

Page 32

2-1 shows the stress-

well-known relation, first postulated by Robert Hooke* in 1678, that stress is

proportional to

2-1 shows the stress-

**strain**diagram to be a straight line. From this we deduce thewell-known relation, first postulated by Robert Hooke* in 1678, that stress is

proportional to

**strain**. Notice carefully that this proportionality does not extend ...Page 359

The

Txj, = -626 X 10"6. If E = 30 X 106 psi and v = 0.30, find the stress components on

the face whose normal is at 45° from the x axis. Ans, a = -2800 psi; t = -6930 psi ...

The

**strain**components at a given point are tx = —533 X 10(6, ty = 67 X 10"6, andTxj, = -626 X 10"6. If E = 30 X 106 psi and v = 0.30, find the stress components on

the face whose normal is at 45° from the x axis. Ans, a = -2800 psi; t = -6930 psi ...

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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