Report on miner refuge chamber displacement analysis, Raytheon UTD, December 11, 2007; contract number 254-2008-M-23921, Task 4: deliverable item for sub-tasks 1 and 2
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Report on miner refuge chamber displacement analysis, Raytheon UTD, December 11, 2007; contract number 254-2008-M-23921, Task 4: deliverable item for sub-tasks 1 and 2

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      "Task 4 examines the effect of a methane explosion on the dynamics of three miner's refuge chambers. This will help provide an initial understanding of the robustness of these chambers under possible mine emergency conditions. Specifically, the objectives for Sub Tasks 1 and 2 of Task 4 are as follows: 1. Determine the magnitude and type of possible motion for all three structures as a function of linear distance from the explosion; 2. Determine the anchorage forces required to limit or prohibit any motions determined in #1 above for all three structures." - p. 1 "TD28ST2." NIOSH contract 254-2008-M-23921 supports the agency's research into refuge alternatives in underground coal mines, as mandated in Section 13 of The Mine Improvement and New Emergency Response Act of 2006 ("MINER Act"). This report was prepared by Raytheon UTD, Waltham, MA under NIOSH contract 254-2008-M-23921
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