Special Technical Facilities at the National Bureau of StandardsNational Bureau of Standards, 1976 - 50 pages |
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Page 6
... apparatus . A com- pressed - air gun fires ice spheres up to 21⁄2 inches diameter against roofing and siding specimens at measured speeds up to 145 feet per second . Applications : Comparative studies of structural ma- terials , coatings.
... apparatus . A com- pressed - air gun fires ice spheres up to 21⁄2 inches diameter against roofing and siding specimens at measured speeds up to 145 feet per second . Applications : Comparative studies of structural ma- terials , coatings.
Page 7
... feet in size and is supplemented in the long direction by a 25 foot extension , 20 feet wide , for testing long beams . The 53 - foot section has a 12,000 ft - kip bend- ing moment capacity , and its 25 - foot extension has a bending ...
... feet in size and is supplemented in the long direction by a 25 foot extension , 20 feet wide , for testing long beams . The 53 - foot section has a 12,000 ft - kip bend- ing moment capacity , and its 25 - foot extension has a bending ...
Page 19
... feet long by 8 feet high , 20 - ton columns 8 feet high , or 20 - ton floor - ceiling assemblies 8 feet by 10 feet . Furnace pressure is controllable between -0.05 and +0.15 in . water to permit study of the effect on fire performance ...
... feet long by 8 feet high , 20 - ton columns 8 feet high , or 20 - ton floor - ceiling assemblies 8 feet by 10 feet . Furnace pressure is controllable between -0.05 and +0.15 in . water to permit study of the effect on fire performance ...
Page 26
... feet per minute ( 1300 m3 / h ) at approximately 2000 psi ( 13.6 X 10Pa ) . The purifiers and the liquefier proper are contained in stainless steel high - vacuum insulated dewars 30 inches diameter by 93 inches long ( 0.76 m X 2.4 m ) ...
... feet per minute ( 1300 m3 / h ) at approximately 2000 psi ( 13.6 X 10Pa ) . The purifiers and the liquefier proper are contained in stainless steel high - vacuum insulated dewars 30 inches diameter by 93 inches long ( 0.76 m X 2.4 m ) ...
Page 29
... feet 4 inches , and the working surface of the main platen is 8 feet 4 inches by 15 feet . The reinforced concrete foundation includes a tie - down floor system with the following working strength values : Longitudinal bending moment ...
... feet 4 inches , and the working surface of the main platen is 8 feet 4 inches by 15 feet . The reinforced concrete foundation includes a tie - down floor system with the following working strength values : Longitudinal bending moment ...
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