Evaluation and Repair of Wrought Iron and - Purdue e-Pubs ...
Evaluation and Repair of Wrought Iron and - Purdue e-Pubs ... Evaluation and Repair of Wrought Iron and - Purdue e-Pubs ...
106Comparison of Tensile Strengthfor All Tensile Testing Specimens600005500050000Ultimate Stress (psi)450004000035000300000 2 4 6 8 10 12 14 16 18 20Eyebar Coupon, Round Coupon (order)EyebarsRoundsFigure 4.9 Tensile Strength of Tensile Test CouponsComparison of Percent Elongationfor All Testing Specimens403530Percent Elongation %25201510500 2 4 6 8 10 12 14 16 18 20Eyebar Coupon, Round Coupoon (order)EyebarsRoundsFigure 4.10 Percent Elongation of Tensile Test Coupons
107504540Stress (ksi)353025201510Elastic Region:σ =E εPlastic Region:σ = K ε n500 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16StrainFigure 4.11 Theoretical Stress vs. Strain Curve for Wrought Iron70000Combined Wrought Iron Bar Historic Data and Testing ResultsTensile Tests - Ultimate Tensile Stress6500060000Standard DeviationTensile Stress (psi)550005000045000Standard DeviationMean = 53300 psi400002nd Standard Deviation = 40,000 psi35000300000 100 200 300 400 500 600 700 800 900 1000Sample (Random)Kirkaldy Data Beardslee Data Testing ResultsFigure 4.12 Comparison of Historical to Testing Results for Tensile Strength
- Page 76 and 77: 56completed, but before the surface
- Page 78 and 79: 58readings, load cell readings and
- Page 80 and 81: 60Figure 3.3 Donated Eyebars 4 and
- Page 82 and 83: 62Figure 3.7 Heated Areas in Blue o
- Page 84 and 85: 64Figure 3.11 Detail Used in Groove
- Page 86 and 87: 66900080007000y = 27.153xR 2 = 0.99
- Page 88 and 89: 68Figure 3.19 Charpy Impact Testing
- Page 90 and 91: 70Figure 3.23 Eyebar Connection in
- Page 92 and 93: 72Figure 3.27 Eyebar A After Filler
- Page 94 and 95: 74Figure 3.31 Side View of Finished
- Page 96 and 97: 76Figure 3.35 Front View of Eyebar
- Page 98 and 99: 78strength from the existence of pe
- Page 100 and 101: 80The carbon content present in the
- Page 102 and 103: 82value may not be very accurate bu
- Page 104 and 105: 84strengths was found to be 29,940
- Page 106 and 107: 86wrought iron bars were investigat
- Page 108 and 109: 88stresses are induced. These perma
- Page 110 and 111: 90toughness the material. The test
- Page 112 and 113: 92From the finite element analysis,
- Page 114 and 115: 94Table 4.1 Chemical Analysis of Ey
- Page 116 and 117: 96Table 4.3 Tensile Coupon Test Res
- Page 118 and 119: 98Table 4.5 Charpy Impact Test Resu
- Page 120 and 121: 100Table 4.7 Comparison of Strain G
- Page 122 and 123: 102Figure 4.1 Typical Micrograph of
- Page 124 and 125: 104Figure 4.5 Fracture Surface of D
- Page 128 and 129: 108Combined Wrought Iron Bar Histor
- Page 130 and 131: 110Figure 4.17 Macrograph of Weld u
- Page 132 and 133: 112Figure 4.21 Cleavage Fracture of
- Page 134 and 135: Figure 4.25 Elongation of Hole in E
- Page 136 and 137: 116signs on or near the bridge that
- Page 138 and 139: 118testing of historic wrought iron
- Page 140 and 141: 120so that they would act in symmet
- Page 142 and 143: 122The reasons for the differences
- Page 144 and 145: 124The second corrosion pattern mod
- Page 146 and 147: 126Keating (1984) stated that the s
- Page 148 and 149: 128charcoal fire until it is red ho
- Page 150 and 151: 130Figure 5.3 Picture of Bottom Cho
- Page 152 and 153: 132Figure 5.7 Using Force After Usi
- Page 154 and 155: 134Figure 5.11 Reassembling a Pin C
- Page 156 and 157: 1366. SUMMARY, CONCLUSIONS AND IMPL
- Page 158 and 159: 138rectangular in shape. These eyeb
- Page 160 and 161: 140were joined together with a full
- Page 162 and 163: 1424. The Charpy impact energy of t
- Page 164 and 165: 144connections are unsymmetrical, i
- Page 166 and 167: 146LIST OF REFERENCESAASHTO (1998).
- Page 168 and 169: 148Hodgkinson, Eaton (1840). Experi
- Page 170 and 171: 150Appendix A. Data Collected From
- Page 172 and 173: 152Table A.1 Wrought Iron Bar Tensi
- Page 174 and 175: 154Table A.1 (continued) Wrought Ir
106Comparison <strong>of</strong> Tensile Strengthfor All Tensile Testing Specimens600005500050000Ultimate Stress (psi)450004000035000300000 2 4 6 8 10 12 14 16 18 20Eyebar Coupon, Round Coupon (order)EyebarsRoundsFigure 4.9 Tensile Strength <strong>of</strong> Tensile Test CouponsComparison <strong>of</strong> Percent Elongationfor All Testing Specimens403530Percent Elongation %25201510500 2 4 6 8 10 12 14 16 18 20Eyebar Coupon, Round Coupoon (order)EyebarsRoundsFigure 4.10 Percent Elongation <strong>of</strong> Tensile Test Coupons
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