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    Estimating Earthquake-Induced Displacement Responses of Building Structures Using Time-Varying Model and Limited Acceleration Data

    Source: Journal of Structural Engineering:;2021:;Volume ( 147 ):;issue: 004::page 04021014-1
    Author:
    Xiaohua Li
    ,
    Masahiro Kurata
    ,
    Yu-Hang Wang
    ,
    Masayoshi Nakashima
    DOI: 10.1061/(ASCE)ST.1943-541X.0002973
    Publisher: ASCE
    Abstract: This paper presents a time-varying model-based method for estimating earthquake-induced displacement responses of building structures using limited acceleration data. First, a time-varying model which considers the variability of stiffness by a time-variant story local stiffness reduction factor and the variability of damping by formulating the Rayleigh damping model with a time-variant mass coefficient was developed. Then, a displacement estimation algorithm was derived on the basis of the state space representation of the time-varying model and the unscented Kalman filter. The effectiveness of the proposed method is numerically verified through nonlinear responses of a ten-story building model where the hysteretic restoring force is simulated by the Bouc–Wen model. In addition, numerical results indicated that a few sensors with low noise are more desirable for the measurement strategy. Finally, the applicability to realistic seismic monitoring of buildings was investigated through a 1∶3-scale 18-story steel frame test at the E-Defense shaking table facility, which tested collapse behavior and realistic damage of high-rise steel buildings constructed in the 1990s in Japan.
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      Estimating Earthquake-Induced Displacement Responses of Building Structures Using Time-Varying Model and Limited Acceleration Data

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4270344
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    contributor authorXiaohua Li
    contributor authorMasahiro Kurata
    contributor authorYu-Hang Wang
    contributor authorMasayoshi Nakashima
    date accessioned2022-01-31T23:46:52Z
    date available2022-01-31T23:46:52Z
    date issued4/1/2021
    identifier other%28ASCE%29ST.1943-541X.0002973.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4270344
    description abstractThis paper presents a time-varying model-based method for estimating earthquake-induced displacement responses of building structures using limited acceleration data. First, a time-varying model which considers the variability of stiffness by a time-variant story local stiffness reduction factor and the variability of damping by formulating the Rayleigh damping model with a time-variant mass coefficient was developed. Then, a displacement estimation algorithm was derived on the basis of the state space representation of the time-varying model and the unscented Kalman filter. The effectiveness of the proposed method is numerically verified through nonlinear responses of a ten-story building model where the hysteretic restoring force is simulated by the Bouc–Wen model. In addition, numerical results indicated that a few sensors with low noise are more desirable for the measurement strategy. Finally, the applicability to realistic seismic monitoring of buildings was investigated through a 1∶3-scale 18-story steel frame test at the E-Defense shaking table facility, which tested collapse behavior and realistic damage of high-rise steel buildings constructed in the 1990s in Japan.
    publisherASCE
    titleEstimating Earthquake-Induced Displacement Responses of Building Structures Using Time-Varying Model and Limited Acceleration Data
    typeJournal Paper
    journal volume147
    journal issue4
    journal titleJournal of Structural Engineering
    identifier doi10.1061/(ASCE)ST.1943-541X.0002973
    journal fristpage04021014-1
    journal lastpage04021014-14
    page14
    treeJournal of Structural Engineering:;2021:;Volume ( 147 ):;issue: 004
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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