Automated Model Updating of Historical Masonry Structures Based on Ambient Vibration Measurements

Altunışık, Ahmet Can; Okur, Fatih Yesevi; Genç, Ali Fuat; Günaydın, Murat; Adanur, Süleyman

doi:10.1061/(asce)cf.1943-5509.0001108

Cited by 29 publications

(11 citation statements)

References 24 publications

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“…The analyses showed that the results of the nonlinear analyses were quite realistic when compared with existing damage. Altunışık et al [21] calibrated FEM of a masonry bastion by using OMA method and manual and automated model calibrating. The maximum differences are reduced from 27 to 3 % by using manual calibrating method and to 0.02 % with automated model calibrating method.…”

Section: Introductionmentioning

confidence: 99%

Seismic Assessment in a Historical Masonry Minaret by Linear and Non-linear Seismic Analyses

Hökelekli

Demir

Ercan

et al. 2020

Period. Polytech. Civil Eng.

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Operational Modal Analysis (OMA) method is frequently used in order to determine dynamical properties of historical masonry structures. In this study, damage pattern of historical Alaca minaret which is selected as application is investigated under different ground motions by updating finite element models (FEM) depending on operational modal analysis test. Initial Finite element model was prepared in ABAQUS V10 program and numerical dynamic characteristics of minaret were determined. In addition, experimental dynamic properties of minaret were provided by operational modal analysis. Initial numerical model of brick masonry structure was calibrated via OMA method. Then, linear and non-linear seismic analyses of calibrated FEM of historical minaret were performed by using different earthquakes acceleration records that occurred in Turkey. Concrete Damage Plasticity model was taken into account in non-linear seismic analyses. As a result of the analyses, it is concluded that the stresses obtained with linear analyses aren’t as realistic as the non-linear analyses results and the earthquakes can cause some damages in the minaret.

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Section: Introductionmentioning

confidence: 99%

Seismic Assessment in a Historical Masonry Minaret by Linear and Non-linear Seismic Analyses

Hökelekli

Demir

Ercan

et al. 2020

Period. Polytech. Civil Eng.

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“…Min et al proposed a sensitivity‐based FE updating method using natural frequencies and zero frequencies to update the stiffness matrix and to identify the damping matrix using damping ratios, which are obtained from experimental data . Altunişik et al updated the FEM of a historical structure where the initial FEM was modeled from relief drawings. Bassoli et al updated the model of a masonry tower from ambient vibration measurements.…”

Section: Proposed Methodsmentioning

confidence: 99%

Transfer function‐based Bayesian damage detection under seismic excitation

Vahedi

Khoshnoudian

Hsu

et al. 2019

Structural Design Tall Build

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Summary Transfer function (TF) data are recognized as diagnostic features in damage detection procedure. The objective of this paper is to present a damage detection method in Bayesian paradigm based on TF data due to ground excitation. The measured seismic responses of the structure in the frequency domain are adopted to obtain displacement TFs and the structural natural frequencies are identified from observed TFs. The derived features are utilized for Bayesian structural damage detection. In addition, the challenging issue of underlying flexible soil in real cases has been addressed. The proposed technique is applied to a numerical shear frame to evaluate the capability of the method. An experimental study on a six‐story steel building has been validated to demonstrate the capability of the method for damage detection purpose. The results of studied cases indicated that the proposed method is capable of identifying the location and the severity of damage precisely.

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“…The acceleration component with a maximum value of 373.7 cm/s 2 is applied in the minaret's horizontal (x) direction. Many researchers have used the effective portion of acceleration records instead of a full record [20,33,[43][44][45][46][47]. The effective portion, which is between 7-19 seconds, has been obtained by using Housner and Arias intensity methods with DEEPSOIL software [48] as shown in Fig.…”

Section: The Strong Ground Motionsmentioning

confidence: 99%

Seismic damage assessment of a historical masonry minaret considering soil-structure interaction

Altıok¹,

Demir²

2021

JSEAM

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Historical structures should be carefully preserved and transferred to the next generations. Therefore, their seismic performances should be investigated in detail. In the finite element method, many parameters affect the seismic behaviour and damage distribution in the structures. One of the most significant parameters is the Soil-Structure Interaction effect. In finite element analyses, the soil medium is generally neglected, and the structures' base is restrained by fixed supports. In this study, seismic response of a historical masonry minaret is investigated by considering the Soil-Structure Interaction and Operational Modal Analysis methods. To determine the effect of Soil-Structure Interaction on structural behaviour, the fixed supports, hard and soft soil mediums at the base of the structure are modelled. The material and failure behaviours are defined with the Concrete Damage Plasticity model. Displacements, principal stresses, damage rates, and damage distribution of models are obtained with nonlinear time history analyses. According to the results, the interstory drift increases due to the decrease in the stiffness of the soil media. In addition, the fixed supports model was damaged more tensile stress damage than the other models. The least occurred in the soft soil model. It is concluded that the Soil-Structure Interaction effect significantly affects structural behaviour, especially the damage rate and distribution.

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Automated Model Updating of Historical Masonry Structures Based on Ambient Vibration Measurements

Cited by 29 publications

References 24 publications

Seismic Assessment in a Historical Masonry Minaret by Linear and Non-linear Seismic Analyses

Seismic Assessment in a Historical Masonry Minaret by Linear and Non-linear Seismic Analyses

Transfer function‐based Bayesian damage detection under seismic excitation

Seismic damage assessment of a historical masonry minaret considering soil-structure interaction

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