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Normal-pressure tests of circular plates with clamped edges
A fixture is described for making normal-pressure tests of flat plates 5 inches in diameter in which particular care was taken to obtain rigid clamping at the edges. Results are given for 19 plates, ranging in thickness form 0.015 to 0.072 inch. The center deflections and the extreme-fiber stresses at low pressures were found to agree with theoretical values; the center deflections at high pressures were 4 to 12 percent greater than the theoretical values. Empirical curves are derived of the pressure for the beginning of the permanent set as a function of the dimensions of the plate and the tensile properties of the material.
Date:
October 10, 1941
Creator:
McPherson, Albert E.; Ramberg, Walter & Levy, Samuel
System:
The UNT Digital Library
Irion County, Texas: Records of wells and springs, drillers' logs, water analyses, and map showing locations of wells and springs
Data complied regarding wells and other water resources, including water quality analysis, measurements, and other relevant information.
Date:
June 10, 1941
Creator:
United States. Work Projects Administration.
System:
The Portal to Texas History