Cheatham, John B., Jr.2016-04-212016-04-211967Musselman, John Anthony. "An experimental investigation of indexed indentation of rock." (1967) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/89116">https://hdl.handle.net/1911/89116</a>.https://hdl.handle.net/1911/89116An experimental investigation is made of the idealized drilling problem of a flat punch loading a horizontal rock surface near a previous crater. Tests are run on a limestone to determine the force required to form a chip and the chip shape as functions of the confining pressure, the inclination of the free surface from the horizontal loaded surface, and the placement or "indexing" distance of the load from the free surface. The results are compared with the theoretical predictions of plastic limit analysis.86 ppengCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.ThesisRICE0153reformatted digitalThesis M.E. 1967 MUSSELMAN