Stresses in GRP Cylinders with Radial Line Load

by Fred C. McCormick, (M.ASCE), Prof. of Civ. Engrg.; Univ. of Virginia, Charlottesville, Va.,
Richard T. Hunt, (A.M.ASCE), Staff Soils Engr.; Law Engrg. Testing Co., Charlotte, N.C.,

Serial Information: Journal of the Engineering Mechanics Division, 1975, Vol. 101, Issue 4, Pg. 417-427

Document Type: Journal Paper

Abstract: A computer program based on the theory of thin shells of revolution was used to map axial bending moment and stress, cross-wall shear stress, and circumferential stress along the length of a 6-in. diam cylinder subjected to a radial line load. There were no significant differences between the experimental and the analytical results. The experimental tests were performed with a hydraulic test fixture designed to impose a radial line load 3/8-in. (9.5 mm) in width. Three test specimens were instrumented. A group of uninstrumented specimens was also loaded to failure to determine the exact position of failure. The cross-wall shear stress and flexural stress at the failure loads as determined by the computer program showed that the flexural stress was maximum and the cross-wall shear stress was comparatively low at the point of failure.

Subject Headings: Shear stress | Failure loads | Radiation | Load tests | Failure analysis | Computer software | Cylinders | Hydraulic design |

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