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

- B7 - APPENDIX B NATIONAL BUREAU OF STANDARDS TEST RESULTS Table A3. (Cont.) Hardness Test Results, Eye C3, Segment O Specimen V, Plane 0.6 in. from hole surface Distance from south face Vickers hardness numbers 0.5 mm 0.02 in. 221 1 .04 233 2 .08 247 3 .12 254 4 .16 256 5 .20 258 6 .24 256 7 .28 256 8 .31 253 9 .35 249 10 .43 247 11 .43 247 12 .47 243 13 .51 240 14 .55 242 15 .59 242 16 .63 235 17 .67 238 18 .71 235