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The Award database is continually updated throughout the year. As a result, data for FY19 is not expected to be complete until April, 2020.

  1. LABORATORY STUDY OF EXTENSION FAILURE IN NEVADA TEST SITE TUFFS

    SBC: Terra Tek Inc.            Topic: N/A

    CALCULATED GROUND MOTION FROM NUCLEAR EXPLOSIONS PREDICT THAT AT LOCATIONS NEAR THE CAVITY THE ROCK FAILURE SURFACE WILL BE ENCOUNTERED IN EXTENSION DURING LATER STAGES OF UNLOAD. THE RESULTING HOOP FRACTURES WILL PRODUCE A FAILED ROCK ZONE SURROUNDING THE CAVITY. HIGH PRESSURE CAVITY GASES COULD INITIATE A HYDRAULIC FRACTURE THROUGH THE FRACTURE ROCK WHICH, UNDER THE WORST CONDITION, WOULD LEAD T ...

    SBIR Phase I 1989 Department of DefenseDefense Threat Reduction Agency
  2. TUNNEL HARDENING THROUGH INNOVATIVE ROCK BOLTS AND SHOTCRETE LINERS

    SBC: UTD, INC.            Topic: N/A

    DEEP BASING FACILITIES REQUIRE THAT STRUCTURES BE PROTECTED AGAINST BLAST EFFECTS. INHERENT IN THIS NEED IS FOR THE TUNNEL SUPPORT SYSTEM TO BE ECONOMICALLY INSTALLED AND CAPABLE OF WITHSTANDING OVERSTRESSES WHICH MAY REACH OR EXCEED 1 KILOBAR. IN ORDER TO MORE EFFICIENTLY HARDEN A STRUCTURE, THE SUPPORT SYSTEM SHOULD BE MADE MORE DUCTILE SO THAT IT CAN UNDERGO DEFORMATION WHILE RETAINING ITS ABIL ...

    SBIR Phase II 1989 Department of DefenseDefense Threat Reduction Agency
  3. NUCLEAR WEAPONS SIMULATION- ANALYSIS OF SATELLITE DATA TO DETERMINE STRUCTURE PARAMETERS

    SBC: VISIDYNE, INC.            Topic: N/A

    A NUMBER OF NASA SATELLITES HAVE OBTAINED DATA WHICH CAN BE USED FOR DETERMINING AMBIENT ATMOSPHERIC DENSITY STRUCTURE PARAMETERS. AMONG THEM ARE THE ATMOSPHERIC EXPLORER SERIES -C, -D, AND -E) AND THE SOLAR MESOSPHERIC EXPLORER (SME). IT IS PROPOSED TO ANALYZE THESE DATA TO OBTAIN ESTIMATES OF ATMOSPHERIC DENSITY SPATIAL STRUCTURE PARAMETERS, POWER SPECTRAL DENSITIES ETC. THIS WILL PROVIDE INPUTS ...

    SBIR Phase I 1989 Department of DefenseDefense Threat Reduction Agency
  4. SUBMARINE SHOCK LETHALITY STUDIES: AN OBJECTIVE APPROACH FOR LARGE STRAIN CALCULATIONS

    SBC: Thornton Tomasetti, Inc.            Topic: N/A

    ADVANCED STRUCTURAL MATERIALS USED IN THE FABRICATION OF SUBMARINES CAN SUSTAIN LARGE STRAINS DURING THE FORMATION PROCESS CAUSED BY EXPLOSIVE LOADINGS. THE COMPUTATIONAL SOLID MECHANICS COMMUNITY HAS RECENTRLY RECOGNIZED SERIOUS SHORTCOMINGS IN CALCULATIONS USING MATERIAL MODELS IN THIS LARGE STRAIN REGION. BECAUSE OF THE IMPORTANCE OF CALCULATIONS IN UNDERSTANDING THE SHOCK RESPONSE OF SUBMARINE ...

    SBIR Phase I 1989 Department of DefenseDefense Threat Reduction Agency

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