Experimental Study of Hysteretic Steel Damper for Energy Dissipation Capacity

This study aims to evaluate energy absorption capacity of hysteretic steel damper for earthquake protection of structures.These types of steel dampers are fabricated from mild steel plate with different geometrical shapes on the side part, namely, straight, concave, and convex shapes. The performa...

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Main Authors: Teruna, Daniel R., Majid, Taksiah A., Budiono, Bambang
Format: Article
Language:English
Published: Hindawi Publishing Corporation 2015
Subjects:
Online Access:http://eprints.usm.my/39071/
http://eprints.usm.my/39071/1/Experimental_Study_of_Hysteretic_Steel_Damper_for_Energy_Dissipation_Capacity.pdf
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author Teruna, Daniel R.
Majid, Taksiah A.
Budiono, Bambang
author_facet Teruna, Daniel R.
Majid, Taksiah A.
Budiono, Bambang
author_sort Teruna, Daniel R.
building USM Institutional Repository
collection Online Access
description This study aims to evaluate energy absorption capacity of hysteretic steel damper for earthquake protection of structures.These types of steel dampers are fabricated from mild steel plate with different geometrical shapes on the side part, namely, straight, concave, and convex shapes. The performance of the proposed device was verified experimentally by a series of tests under increasing inplane cyclic load. The overall test results indicated that the proposed steel dampers have similar hysteretic curves, but the specimen with convex-shaped side not only showed stable hysteretic behavior but also showed excellent energy dissipation capabilities and ductility factor. Furthermore, the load-deformation relation of these steel dampers can be decomposed into three parts, namely, skeleton curve, Bauschinger part, and elastic unloading part. The skeleton curve is commonly used to obtain the main parameters, which describe the behavior of steel damper, namely, yield strength, elastic stiffness, and postyield stiffness ratio. Moreover, the effective stiffness, effective damping ratio, cumulative plastic strain energy, and cumulative ductility factor were also derived from the results. Finally, an approximation trilinear hysteretic model was developed based on skeleton curve obtained from experimental results.
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institution Universiti Sains Malaysia
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spelling usm-390712018-02-20T08:14:10Z http://eprints.usm.my/39071/ Experimental Study of Hysteretic Steel Damper for Energy Dissipation Capacity Teruna, Daniel R. Majid, Taksiah A. Budiono, Bambang TA1-2040 Engineering (General). Civil engineering (General) This study aims to evaluate energy absorption capacity of hysteretic steel damper for earthquake protection of structures.These types of steel dampers are fabricated from mild steel plate with different geometrical shapes on the side part, namely, straight, concave, and convex shapes. The performance of the proposed device was verified experimentally by a series of tests under increasing inplane cyclic load. The overall test results indicated that the proposed steel dampers have similar hysteretic curves, but the specimen with convex-shaped side not only showed stable hysteretic behavior but also showed excellent energy dissipation capabilities and ductility factor. Furthermore, the load-deformation relation of these steel dampers can be decomposed into three parts, namely, skeleton curve, Bauschinger part, and elastic unloading part. The skeleton curve is commonly used to obtain the main parameters, which describe the behavior of steel damper, namely, yield strength, elastic stiffness, and postyield stiffness ratio. Moreover, the effective stiffness, effective damping ratio, cumulative plastic strain energy, and cumulative ductility factor were also derived from the results. Finally, an approximation trilinear hysteretic model was developed based on skeleton curve obtained from experimental results. Hindawi Publishing Corporation 2015 Article PeerReviewed application/pdf en http://eprints.usm.my/39071/1/Experimental_Study_of_Hysteretic_Steel_Damper_for_Energy_Dissipation_Capacity.pdf Teruna, Daniel R. and Majid, Taksiah A. and Budiono, Bambang (2015) Experimental Study of Hysteretic Steel Damper for Energy Dissipation Capacity. Advances in Civil Engineering, 2015 (631726). pp. 1-12. ISSN 1687-8086 http://dx.doi.org/10.1155/2015/631726
spellingShingle TA1-2040 Engineering (General). Civil engineering (General)
Teruna, Daniel R.
Majid, Taksiah A.
Budiono, Bambang
Experimental Study of Hysteretic Steel Damper for Energy Dissipation Capacity
title Experimental Study of Hysteretic Steel Damper for Energy Dissipation Capacity
title_full Experimental Study of Hysteretic Steel Damper for Energy Dissipation Capacity
title_fullStr Experimental Study of Hysteretic Steel Damper for Energy Dissipation Capacity
title_full_unstemmed Experimental Study of Hysteretic Steel Damper for Energy Dissipation Capacity
title_short Experimental Study of Hysteretic Steel Damper for Energy Dissipation Capacity
title_sort experimental study of hysteretic steel damper for energy dissipation capacity
topic TA1-2040 Engineering (General). Civil engineering (General)
url http://eprints.usm.my/39071/
http://eprints.usm.my/39071/
http://eprints.usm.my/39071/1/Experimental_Study_of_Hysteretic_Steel_Damper_for_Energy_Dissipation_Capacity.pdf