Abstract
This study performs a structural analysis to determine seismic behaviour of bridge structures with optimally designed metallic damper absorbing earthquake energy. Since the metallic damper utilizes the plastic deformation of steel to reduce vibration of the structures, this optimized metallic damper can be more economic, reliable and sustainable than the conventional bridge dampers such as friction or viscous dampers. The considered earthquake loads applied to the structure is assumed to work on two-dimensional directions. Also, the shape optimization of metallic damper is purposed to perform ideally under those bi-axial earthquake excitations. The optimizing process is based on the calculation of dissipated energy by the damper through finite element analysis of ABAQUS and the SQP algorithm by MATLAB. The MATALB algorithm controls the alteration of the damper's shape to maximize the amount of energy dissipation under the constraint of total mass of the damper. To evaluate the effect of the developed metallic damper using this optimized shape, this study applied the damper into a three-span bridge model and conducted earthquake analysis through SAP2000.
| Original language | English |
|---|---|
| Article number | 122008 |
| Journal | IOP Conference Series: Materials Science and Engineering |
| Volume | 431 |
| Issue number | 12 |
| DOIs | |
| Publication status | Published - 2018 Nov 15 |
| Event | 14th International Conference on Concrete Engineering and Technology, CONCET 2018 - Kuala Lumpur, Malaysia Duration: 2018 Aug 8 → 2018 Aug 9 |
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All Science Journal Classification (ASJC) codes
- Materials Science(all)
- Engineering(all)
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Bi-axial Seismic Behaviour of a Bridge Structure with a Shape Optimized Metallic Damper. / Park, Ji Woon; Yoon, Ji Hoon; Yoon, Gil Ho; Lim, Yun Mook.
In: IOP Conference Series: Materials Science and Engineering, Vol. 431, No. 12, 122008, 15.11.2018.Research output: Contribution to journal › Conference article
TY - JOUR
T1 - Bi-axial Seismic Behaviour of a Bridge Structure with a Shape Optimized Metallic Damper
AU - Park, Ji Woon
AU - Yoon, Ji Hoon
AU - Yoon, Gil Ho
AU - Lim, Yun Mook
PY - 2018/11/15
Y1 - 2018/11/15
N2 - This study performs a structural analysis to determine seismic behaviour of bridge structures with optimally designed metallic damper absorbing earthquake energy. Since the metallic damper utilizes the plastic deformation of steel to reduce vibration of the structures, this optimized metallic damper can be more economic, reliable and sustainable than the conventional bridge dampers such as friction or viscous dampers. The considered earthquake loads applied to the structure is assumed to work on two-dimensional directions. Also, the shape optimization of metallic damper is purposed to perform ideally under those bi-axial earthquake excitations. The optimizing process is based on the calculation of dissipated energy by the damper through finite element analysis of ABAQUS and the SQP algorithm by MATLAB. The MATALB algorithm controls the alteration of the damper's shape to maximize the amount of energy dissipation under the constraint of total mass of the damper. To evaluate the effect of the developed metallic damper using this optimized shape, this study applied the damper into a three-span bridge model and conducted earthquake analysis through SAP2000.
AB - This study performs a structural analysis to determine seismic behaviour of bridge structures with optimally designed metallic damper absorbing earthquake energy. Since the metallic damper utilizes the plastic deformation of steel to reduce vibration of the structures, this optimized metallic damper can be more economic, reliable and sustainable than the conventional bridge dampers such as friction or viscous dampers. The considered earthquake loads applied to the structure is assumed to work on two-dimensional directions. Also, the shape optimization of metallic damper is purposed to perform ideally under those bi-axial earthquake excitations. The optimizing process is based on the calculation of dissipated energy by the damper through finite element analysis of ABAQUS and the SQP algorithm by MATLAB. The MATALB algorithm controls the alteration of the damper's shape to maximize the amount of energy dissipation under the constraint of total mass of the damper. To evaluate the effect of the developed metallic damper using this optimized shape, this study applied the damper into a three-span bridge model and conducted earthquake analysis through SAP2000.
UR - http://www.scopus.com/inward/record.url?scp=85057308390&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85057308390&partnerID=8YFLogxK
U2 - 10.1088/1757-899X/431/12/122008
DO - 10.1088/1757-899X/431/12/122008
M3 - Conference article
AN - SCOPUS:85057308390
VL - 431
JO - IOP Conference Series: Materials Science and Engineering
JF - IOP Conference Series: Materials Science and Engineering
SN - 1757-8981
IS - 12
M1 - 122008
ER -