SYMPOSIA PAPER Published: 01 January 1966
STP45144S

A Loading System for the Investigation of the Inelastic Properties of Geologic Materials

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This paper describes the theory and development of a loading system for the laboratory investigation of the inelastic properties of small rock and mineral specimens under a variety of loading modes, including constant load, incremental loading, and constant rate of loading. The application of basic feedback control theory to the design of the control system is outlined, along with details of the construction and testing of the completed system. The problem of obtaining uniform loading of cylindrical test specimens under compressive load is discussed, and details of a special specimen loading jig developed for this purpose are described.

Author Information

Hardy, H, R
Pennsylvania State University, University Park, Pa.
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Details
Developed by Committee: D18
Pages: 232–271
DOI: 10.1520/STP45144S
ISBN-EB: 978-0-8031-6016-3
ISBN-13: 978-0-8031-6170-2