Masters Theses

Abstract

"The determination of the elastic moduli of rock has long been a problem to the geophysicist, mining engineer and the civil engineer. There is a considerable amount of literature on determining Young's modulus by the sonic pulse technique. However, the use of this technique to determine the three elastic constants, Young's modulus, shear modulus, and Poisson's ratio from measurements of both the longitudinal and shear wave velocities presents some difficulties, especially in the method of accurately determining the shear wave velocities.

In this thesis, what is believed to be a new method of measuring shear wave velocities in the laboratory is developed and used with the conventional method of measuring the longitudinal wave velocity to determine the three elastic constants of four rock types. These results are then compared to those obtained by conventional static methods for determining elastic moduli, with the effect of anisotropy of the rocks being considered.

The results by the two methods were in fair agreement for Young's modulus and the shear modulus, however, large unexplained variations in Poisson's ratio were often observed"--Abstract, page ii.

Advisor(s)

Haas, Charles J.

Committee Member(s)

Rupert, Gerald B., 1930-2016
Davidson, Robert F., 1911-1971
Hansen, Peter G., 1927-2010

Department(s)

Mining Engineering

Degree Name

M.S. in Mining Engineering

Publisher

University of Missouri at Rolla

Publication Date

1966

Pagination

vii, 91 pages

Note about bibliography

Includes bibliographical references (page 66)

Rights

© 1966 James Harold Deatherage, Jr., All rights reserved.

Document Type

Thesis - Open Access

File Type

text

Language

English

Subject Headings

Rocks -- TestingElasticityRock mechanics -- Mathematical models

Thesis Number

T 1855

Print OCLC #

5973209

Electronic OCLC #

895200094

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