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Collapse of U.S. 35 Highway Bridge, Point Pleasant, West Virginia, December 15, 1967 (HAR-71/01)

National Transportation Safety Board · 1970-12-16 · 202 pages · text by OCR, confidence 99%

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- B3 - APPENDIX B NATIONAL BUREAU OF STANDARDS TEST RESULTS Table A2. Hardness Tests Results, Eye C9, Segment 1. Distance from south face* Vickers hardness number Spec. A Spec. D Spec. F Spec. H 0.5 mm 0.02 in. 260 243 256 230 1.0 .04 256 247 262 243 1.5 .06 256 249 268 242 2.5 .14 254 262 260 264 4.5 .18 264 245 262 259 8.5 .33 247 251 251 12.5 .49 242 242 247 15.5 .61 233 240 22.5 .89 232 235 * See text Distance from north face Vickers hardness number Spec. C Spec. E Spec. G Spec. J 0.5 mm 0.02 in. 247 235 236 216 1.0 .04 245 242 247 240 1.5 .06 254 253 251 245 2.5 .10 260 264 254 247 3.5 .14 270 266 258 254 4.5 .18 266 266 266 260 8.5 .33 260 260 258 254 12.5 .49 247 251 249 254 15.5 .61 242 243 247 256 22.5 .89 236 242

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Document, cited by the archive. The PDF is mirrored here; the original link is under it. The text was read from the page images by an OCR model (mean confidence 99%); expect the odd misread word. 202 pages are in the text index: search them above, or from the library's search.