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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U. S. Steel Research May 21, 1969 APPENDIX D U. S. STEEL LABORATORY V-Notch Charpy Impact Properties (C3) Segment 2, See Sketches C and D, Laboratory Specimen Plan Specimen No. Test Temperature, F 72 32 70 120 250 43 Foot Pounds 2 2 5 5 28 25 Shear, percent 2 5 3 10 55 50 Lateral Expansion, mils 1 5 1 6 30 26 Hardness, Rc 21.0 22.5 21.0 22.5 20.0 23.0

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The Mothman of Point Pleasant 1966

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