Hydroplus experimental study of dry, saturated, and frozen geological materials. Technical report, 15 July 1991-30 September 1992

Technical Report · Thu Mar 31 23:00:00 EST 1994

OSTI ID:7067345

Gaffney, E S; Smith, E A

The dynamic shock responses of eight (8) types of rock and grouts were determined from one-dimensional plate impact experiments to support the Defense Nuclear Agency (DNA) HYDROPLUS program. Hugoniot data and loading and release paths were measured using in-situ stress gauges or VISAR interferometry. Two NTS tuffs from the DISTANT ZENITH and HUNTERS TROPHY test beds, a grout, MJ-2, which was designed to match the DISTANT ZENITH tuff and three carbonate rocks, Danby marble, Fort Knox carbonates and Salem limestone were characterized. All of these materials were tested in a water saturated condition at ambient and frozen conditions. Additionally, the Salem limestone was characterized dry. Hugoniot data for ice was also measured. Experiments that simulated jointed rock formation were conducted using Danby marble to evaluate the effects of water- or ice-filled joints on the amplitude of a stress wave propagating through the formation. Hugoniot data, release adiabats, and propagated waveshapes are presented for the rocks, grout, and ice. The effects of freezing, porosity, and dolomitization of the limestones on the Hugoniot and wave propagation characteristics of these materials are detailed. Propagated wave profiles and measured attenuation rates are given for the simulated jointed rock experiments. Hugoniot, DISTANT ZENITH Tuff, HUNTERS TROPHY Tuff, Release Adiabat, MJ-2 Grout, Danby Marble, Ice, Jointed Rocks, Fort Knox Carbonates.

• Research Organization: Ktech Corp., Albuquerque, NM (United States)
• OSTI ID: 7067345
• Report Number(s): AD-A-278837/0/XAB; KTECH-TR--92-26; CNN: DNA001-92-C-0057
• Country of Publication: United States
• Language: English

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