Shrapnel Protection Testing in Support of the Proposed Site 300 Contained Firing Facility PDF Download
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Languages : en
Pages : 32
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In preparation for the planned Contained Firing Facility at LLNL's Site 300, various multi-layered shrapnel protection schemes were investigated with the intent of minimizing the amount of material used in the shielding. As a result of testing, it was found that two pieces of 1-in.-thick mild steel plate provide adequate general-purpose protection from shrapnel generated by normal hydrodynamic and cylinder shots at Bunker 801. 8 refs.
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Category :
Languages : en
Pages : 32
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Book Description
In preparation for the planned Contained Firing Facility at LLNL's Site 300, various multi-layered shrapnel protection schemes were investigated with the intent of minimizing the amount of material used in the shielding. As a result of testing, it was found that two pieces of 1-in.-thick mild steel plate provide adequate general-purpose protection from shrapnel generated by normal hydrodynamic and cylinder shots at Bunker 801. 8 refs.
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Languages : en
Pages : 1108
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Category : Power resources
Languages : en
Pages : 754
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Category : Science
Languages : en
Pages : 680
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Category : Environmental impact statements
Languages : en
Pages : 688
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Category :
Languages : en
Pages : 25
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In anticipation of increasingly stringent environmental regulations, Lawrence Livermore National Laboratory is proposing to construct a 60-kg firing chamber to provide blast-effects containment for most of its open-air, high-explosive, firing operations. Even though the Laboratory's operations are within current environmental limits, containment of the blast effects and hazardous debris will drastically reduce emissions to the environment and minimize the generated hazardous waste. One of the main design considerations is the extremely close-in (Z = 0.66 ft/lb{sup l/3}) blast loading on the reinforced concrete ff the chamber. Historically, floor damage due to close-in loading has been a common problem for other blast chambers within the US Department of Energy and Department of Defense (DOE/DoD). Blast-effects testing and computer analysis were conducted on a replica quarter-scale model of the preliminary floor design. Nineteen blast tests ranging from scaled distances of 1.14 ft/lb{sup l/3} (25%) to 0.57ft/lb13 (200%) were performed on the strain-gaged floor model. In response to predicted and measured failures at the 25% level, various state-of-the-art blast attenuation systems were quickly developed and tested. The most effective blast-attenuation system provided a significant improvement by reducing the measured floor stresses to acceptable levels while minimizing, by its reusability, the impact on the environment.
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Category :
Languages : en
Pages : 1190
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Category : Military research
Languages : en
Pages : 362
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Category : Environmental impact statements
Languages : en
Pages : 738
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Category :
Languages : en
Pages : 222
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