ON THE EFFECTS OF CIRCULAR BOLT PATTERNS ON THE ...

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Moment (kip.ft) -2% -1% 0% 1% 2% -250 -250 Figure E-61Comparison Of Tri-Linear Hysteresis Of The Model Tp½-bd1¼-d24 With Circular And Square Bolt Pattern Moment (kip.ft) -750 Figure E-62 Comparison Of Tri-Linear Hysteresis Of The Model Tp½-bd11/8-d24 With Circular And Square Bolt Pattern Moment (kip.ft) 750 250 750 250 T p½-b d1¼-d24 Drift (%) -2% -1% 0% 1% 2% -250 -250 -750 750 250 -750 T p½-b d11/8-d24 Drift (%) T p½-b d1-d24 -2% -1% 0% 1% 2% -250 Drift (%) Figure E-63 Comparison Of Tri-Linear Hysteresis Of The Model Tp½-bd1-d24 With Circular And Square Bolt Pattern 237 ----- Tri-linear Hysteresis Circular ----- Tri-linear Hysteresis Square ----- Tri-linear Hysteresis Circular ----- Tri-linear Hysteresis Square ----- Tri-linear Hysteresis Circular ----- Tri-linear Hysteresis Square 1000 750 500 250 0 -500 -750 -1000 1000 750 500 250 0 -500 -750 -1000 1000 500 0 -500 -1000 (kN.m) (kN.m) (kN.m)
Moment (kip.ft) -2% -1% 0% 1% 2% -250 -250 Figure E-64 Comparison Of Tri-Linear Hysteresis Of The Model Tp½-bd¾-d24 With Circular And Square Bolt Pattern Moment (kip.ft) 750 250 -750 750 250 -750 T p½-b d¾-d24 Drift (%) T p½-b d 5/8-d24 -2% -1% 0% 1% 2% -250 Drift (%) Figure E-65 Comparison Of Tri-Linear Hysteresis Of The Model Tp½-bd5/8-d24 With Circular And Square Bolt Pattern 238 ----- Tri-linear Hysteresis Circular ----- Tri-linear Hysteresis Square ----- Tri-linear Hysteresis Circular ----- Tri-linear Hysteresis Square 1000 750 500 250 0 -500 -750 -1000 1000 500 0 -500 -1000 (kN.m) (kN.m)
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ON THE EFFECTS OF CIRCULAR BOLT PAT
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ACKNOWLEDGMENTS I would like to exp
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elements during monotonic and cycli
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3.2.3.1.2 Surface Preparation .....
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APPENDIX ..........................
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3-15 Configuration Of Extended End-
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5-10 Comparison Of The Predicted Vs
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6-18 End-Plate Deformation Of (a) T
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6-4 Energy Dissipation Percentage V
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(a) (b) (c) . Figure 1-1 Failure Mo
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noticeable. Among those, Asteneh-as
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phenomenon will decrease the bolt-f
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Douty and McGuire [3] (1965) conduc
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Tsai and Popov [33] performed three
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plate moment connection can be use
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during moderate earthquake excitati
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Gebbeken et al.[56] used the finite
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load overcomes the pretension force
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Figure 2-3 Tension Angle Free-Body
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CHAPTER 3 3. EXPERIMENTAL INVESTIGA
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compared with results collected fro
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Figure 3-5 Deformed Shape Of The T-
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head. Two varnished copper wires we
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Figure 3-8 Schematic Drawing Of The
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3.2.4 Test Setup The 400K compressi
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The instrumented bolts were connect
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Figure 3-14 Applied Force Vs. Flang
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describing the configuration of the
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column flange by one row of ¾ in.
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prevent out-of-plane buckling of th
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Figure 3-20(c) shows the test instr
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Element Washer Bolt Line Number Tab
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modulus and the rate at which the h
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(a) (b) (c) Figure 4-3 Contacts In
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Bolt Force (kip) 0 2 4 (mm) 6 8 Fig
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It can be seen from the results pre
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a very early stage of loading with
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Moment (kip.ft) 300 200 100 0 -100
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Figure 4-17 Failure Of Bolts In The
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geometrical configuration of bolt h
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Figure 4-23 Failure Of The Angle Du
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CHAPTER 5 5. DEVELOPMENT OF HYSTERE
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The schematic comparison of the pro
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Bolt-4 Bolt-5 Bolt-3 End-Plate Bolt
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The analyses were conducted by appl
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Figure 5-5 Schematic Drawing Of The
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F G Figure 5-6 Tri-Linear Hysteresi
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simulate the hysteresis characteris
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Table 5-5 Continued 80
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Table 5-7 Summary Of The Results An
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Section 5-6-3-4 Figure 5-7 Section
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These techniques yield information
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2 A value of R 1 implies that S is
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(kip.ft) Figure 5-9 Comparison Of T
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M e . .t . .A . .S . (5-17) The p
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Figure 5-16 Comparison Of The Predi
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(ksi) Figure 5-19 Comparison Of The
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(ksi) Figure 5-22 Comparison Of The
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CHAPTER 6 6. DISCUSSION OF THE RESU
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Table 6-2 Energy Dissipation Percen
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espectively. While in similar model
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Moment (kip.ft) 900 450 0 ‐450
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Models Tp1½-Bd½-d30, Tp1-Bd½-d30
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a) Tp½-Bd1¼-d30-CIR 140 Bolt Forc
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a) Tp1½-Bd1¼-d30-CIR 140 Bolt For
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a) Tp1½-Bd½-d30-CIR 25 Bolt Force
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This phenomenon is attributed to th
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6.5 Bolt-Force Variation Under Cycl
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a) Tp1.0-Bd1¼-d30- 140 Bolt Force
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a) Tp½-Bd½-d30- 25 Bolt Force (ki
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a) Tp¾-Bd¾-d30- 60 Bolt Force (ki
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configurations of the finite elemen
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Circular Bolt Pattern Square Bolt P
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0.15 0.3 0.45 0.6 0.75 (a) (b) Figu
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initial stiffness of the connection
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parameters is recommended to study
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The relation between applied torque
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146 Table B-1 Test Matrix of the Co
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Table B-3Test Matrix of the Connect
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The hysteresis results obtained fro
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Moment (kip.ft) 1500 1000 500 0 -2%
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Moment (kip.ft) 1500 1000 500 0 ‐
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Moment (kip.ft) 1500 1000 500 0 ‐
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Moment (kip.ft) Figure C-22 Compari
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Moment (kip.ft) ‐2% ‐1% 0% 1% 2
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Moment (kip.ft) ‐1.5% ‐1.0% ‐
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Moment (kip.ft) ‐1.5% ‐1.0% ‐
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Moment (kip.ft) ‐1.5% ‐1.0% ‐
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Moment (kip.ft) 1000 750 500 250 0
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Moment (kip.ft) 2000 1500 1000 500
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Moment (kip.ft) 1500 1000 500 0 ‐
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The hysteresis results obtained fro
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Page 205 and 206: Moment (kip.ft) -2% -1% 0% 1% 2% -5
Page 213 and 214: Moment (kip.ft) Figure D-34 Compari
Page 215 and 216: Moment (kip.ft) 900 600 300 0 -2% -
Page 217 and 218: Moment (kip.ft) ‐1.5% ‐1.0% ‐
Page 229 and 230: Moment (kip.ft) 1500 1000 500 0 ‐
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Page 233 and 234: The simulated tri-linear hysteresis
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Page 245 and 246: Moment (kip.ft) Figure E-34 Compari
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Page 253: Moment (kip.ft) Figure E-58 Compari
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Page 263 and 264: The statistical parameters used dur
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Page 281 and 282: [11] Morrison, S. J., Astaneh-Asl,
Page 283 and 284: [33] Tsai K. C., Popov E. P. (1990)
Page 285 and 286: [56] Gebbeken, N., Rothert, H., and
Page 287: BIOGRAGHICAL INFORMATION Roozbeh Ki
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