Floor acceleration amplification and response spectra of reinforced concrete frame structure based on shaking table tests and numerical study

Zou, Xiaoguang; Yang, Weiguo; Liu, Pei; Wang, Meng

Artykuł - szczegóły

Tytuł artykułu

Floor acceleration amplification and response spectra of reinforced concrete frame structure based on shaking table tests and numerical study

Autorzy

Zou Xiaoguang , Yang Weiguo , Liu Pei , Wang Meng

Wybrane pełne teksty z tego czasopisma

http://www.springer.com/journal/43452

Identyfikatory

Warianty tytułu

Języki publikacji

Abstrakty

In the seismic design of acceleration-sensitive nonstructural components, floor acceleration response spectra are commonly selected for analysis, which has proven to be effective in practice. To accurately study the floor acceleration response spectrum of a reinforced concrete structure under earthquakes, a 3-story reinforced concrete frame structure designed based on Chinese codes was built and placed on a shaking table for testing to obtain actual floor acceleration response for investigation of spectral characteristics. In addition, a set of finite element models of reinforced concrete frame buildings were analyzed to better study the variation of floor acceleration peaks and response spectra with different modal periods. The results show that floor dynamic magnification is highly related to structural dynamic characteristics and building’s relative height. Obvious peaks are observed in the floor response spectrum, which correspond to the structural modal periods. The values of the spectra, particularly the peaks, show a strong correlation with the floor level and the damping ratios of nonstructural components. Based on the observations gained from shaking table tests and numerical study, a function for predicting the floor dynamic magnification factor and a method for generating the spectral amplification factor of the floor are proposed. Then the findings acquired from the test, numerical study, and existing methods were applied for the validation of the proposed methods. It is shown that the proposed floor dynamic magnification factor prediction function and spectral amplification factor prediction method are useful for the seismic design of nonstructural components in various reinforced concrete structures, taking into account the structural dynamic characteristics, the floor level, and the damping ratio of nonstructural components.

Słowa kluczowe

reinforced concrete frame shaking table test nonstructural component floor dynamic magnification factor floor response spectra

rama żelbetowa trzęsienie ziemi zagrożenie sejsmiczne

Wydawca

Springer
Wrocław University of Science and Technology

Czasopismo

Archives of Civil and Mechanical Engineering

Rocznik

2023

Tom

Vol. 23, no. 3

Strony

art. no. e156, 2023

Opis fizyczny

Bibliogr. 51 poz., fot., rys., wykr.

Twórcy

autor

Zou Xiaoguang

School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China

autor

Yang Weiguo

wgyang1@bjtu.edu.cn

School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China

autor

Liu Pei

School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China

autor

Wang Meng

School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024)

Typ dokumentu

Bibliografia

Identyfikator YADDA

bwmeta1.element.baztech-8459b5d1-982d-41b1-821a-2cff0319960c