New Applications of Grout and Concrete as Shock Impedance Matching Materials for Geologic Formations.
ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
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New applications of grout and concrete along with supporting studies and experimental techniques are reported herein in a general sense. These new applications are in support of underground nuclear weapons testing. Grouts and concretes are designed and tested to respond to a high-pressure shock environment in the same manner as the in situ formation. This is quantitatively described by the equation of state of the materials at high pressures and the constitutive relations at lower stresses. Several typical matches in the equation-of-state plane are presented, which represent work done in support of the various weapons test events.