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Mechanical Engineering

University of New Mexico

1956

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The Variations Of Stress Induced In An Eccentrically Located Bolt Securing A Flanged Joint, Verne E. Blake Jr. Jan 1956

The Variations Of Stress Induced In An Eccentrically Located Bolt Securing A Flanged Joint, Verne E. Blake Jr.

Mechanical Engineering ETDs

It is common practice in design work to use bolts as a means of attaching load carrying members. In many instances it is not possible to locate the bolt so the line of action of the external load will pass through the bolt axis. As a result, there are secondary loads, resulting from the eccentricity of the load paths, which the bolt must resist in addition to the primary loads.


The Response Of Vibration Mounts Subjected To Biharmonic Vibration, Paul H. Adams Jan 1956

The Response Of Vibration Mounts Subjected To Biharmonic Vibration, Paul H. Adams

Mechanical Engineering ETDs

Existing specifications used in vibration testing are based on envelopes of many points of fixed frequency and vibration amplitude measured at specific points in aircraft. In addition these specifications are to some extent written to be compatible with the two common types of vibration test machines, the reaction or constant-displacement type and the electromagnetic or constant-acceleration type. Thus the "envelope" of the measured vibration amplitudes is drawn in such a manner as to have a constant displacement from 3 to 60 cycles per second, the range of the reaction type of vibration test machine, and a constant acceleration from 60 ...