IDENTIFICATION OF LRB ISOLATORS USING A MODIFIED NORMALIZED BOUC-WEN MODEL

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BAHAR A.; RASHIDI M.

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Journal Paper

Paper Information

Journal: JOURNAL OF SOLID AND FLUID MECHANICS Year:2017 | Volume:7 | Issue:1 Page(s): 23-33

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Information Journal Paper

Title

IDENTIFICATION OF LRB ISOLATORS USING A MODIFIED NORMALIZED BOUC-WEN MODEL

Author(s)

BAHAR A. | RASHIDI M. | Issue Writer Certificate

Keywords

LRB ISOLATORQ1

STEPWISE IDENTIFICATION METHODQ1

NORMALIZED BOUC-WEN MODELQ1

BENCHMARK BUILDINGQ1

Abstract

Due to the inherent dynamic characteristics of the restoring force of the lead- rubber bearings (LRBs), seismic ‎behavior of the base-isolated structures are highly affected. Applying the right model based on the non-linear role of the isolator is of utmost importance. This ‎paper presents a compound form, based on the modified NORMALIZED BOUC-WEN MODEL, to show the LRB ISOLATOR’s behavior. This model allows to identify the LRB ISOLATORs more accurately by define its phenomenon in two linear and nonlinear phases. Based on a sinusoidal excitation with large enough amplitude, the essential parameters of the model can be realized with a unique test. The identification process and the validation of the model have been carried out using a black box model of an ‎LRB ISOLATOR in a smart base-isolated BENCHMARK BUILDING scheme as a virtual laboratory experiments. The results show a good level of accuracy for the identified model and make it a proper candidate for LRB ISOLATORs representation.

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APA: Copy

BAHAR, A., & RASHIDI, M.. (2017). IDENTIFICATION OF LRB ISOLATORS USING A MODIFIED NORMALIZED BOUC-WEN MODEL. JOURNAL OF SOLID AND FLUID MECHANICS, 7(1 ), 23-33. SID. https://sid.ir/paper/212706/en

Vancouver: Copy

BAHAR A., RASHIDI M.. IDENTIFICATION OF LRB ISOLATORS USING A MODIFIED NORMALIZED BOUC-WEN MODEL. JOURNAL OF SOLID AND FLUID MECHANICS[Internet]. 2017;7(1 ):23-33. Available from: https://sid.ir/paper/212706/en

IEEE: Copy

A. BAHAR, and M. RASHIDI, “IDENTIFICATION OF LRB ISOLATORS USING A MODIFIED NORMALIZED BOUC-WEN MODEL,” JOURNAL OF SOLID AND FLUID MECHANICS, vol. 7, no. 1 , pp. 23–33, 2017, [Online]. Available: https://sid.ir/paper/212706/en

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