Accession Number : AD0802728

Title :   THE EFFECT OF A PLATE ON A PRESSURE PULSE IN A FLUID HALF-PLANE.

Descriptive Note : Rept. for 1 Jan-15 Jun 66,

Corporate Author : AEROSPACE CORP EL SEGUNDO CA LAB OPERATIONS

Personal Author(s) : Jones, John P.

Report Date : AUG 1966

Pagination or Media Count : 27

Abstract : There has been much recent interest in the possibility of hardening an underground structure by means of an elastic plate placed on the ground above the structure. To obtain a simple expression for the interaction pressure between the ground and the plate, the present analysis treats the problem of a plate on top of an acoustic medium subjected to a uniformly moving pressure pulse. It is found that an approximate equation suggested by Dr. S. B. Batdorf is quite valid in the superseimic range of load speed. The specific problem of a step function loading traveling with uniform velocity, superseismic to the foundation, is treated. The extension of this problem to an actual elastic foundation is straightforward and is not treated. (Author)

Descriptors :   (*FLAT PLATE MODELS, LOADS(FORCES)), MATHEMATICAL MODELS, UNDERGROUND STRUCTURES, ELASTIC PROPERTIES, PRESSURE, GROUND EFFECT, SEISMIC WAVES, MOTION, ACOUSTICS, ASYMPTOTIC SERIES, HARDENING, EQUATIONS OF MOTION.

Subject Categories : Seismology
      Structural Engineering and Building Technology
      Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE