A simple discrete model for interaction of adjacent buildings during earthquakes

Alexander, Nicholas A.; Ibraim, Erdin; Aldaikh, Hesham

doi:10.1016/j.compstruc.2012.11.012

Cited by 64 publications

(109 citation statements)

References 17 publications

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“…It appears that the lateral tanks act like a tuned mass damper for the central tank. Similar observations have been made for adjacent buildings by using discrete models . However, it should be expected that inclusion of material damping for the soil in the analysis diminishes to some extent this ‘destructive’ interference of the modes.…”

Section: Response To Harmonic Surface Ground Excitationsupporting

confidence: 70%

Seismic response analysis of adjacent liquid‐storage tanks

Mykoniou

Butenweg

Holtschoppen

et al. 2016

Earthq Engng Struct Dyn

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Summary A refined substructure technique in the frequency domain is developed, which permits consideration of the interaction effects among adjacent containers through the supporting deformable soil medium. The tank‐liquid systems are represented by means of mechanical models, whereas discrete springs and dashpots stand for the soil beneath the foundations. The proposed model is employed to assess the responses of adjacent circular, cylindrical tanks for harmonic and seismic excitations over wide range of tank proportions and soil conditions. The influence of the number, spatial arrangement of the containers and their distance on the overall system's behavior is addressed. The results indicate that the cross‐interaction effects can substantially alter the impulsive components of response of each individual element in a tank farm. The degree of this impact is primarily controlled by the tank proportions and the proximity of the predominant natural frequencies of the shell‐liquid‐soil systems and the input seismic motion. The group effects should be not a priori disregarded, unless the tanks are founded on shallow soil deposit overlying very stiff material or bedrock. Copyright © 2016 John Wiley & Sons, Ltd.

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Section: Response To Harmonic Surface Ground Excitationsupporting

confidence: 70%

Seismic response analysis of adjacent liquid‐storage tanks

Mykoniou

Butenweg

Holtschoppen

et al. 2016

Earthq Engng Struct Dyn

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“…During the last two decades, several authors highlighted the effects of the structure-soil-structure interaction by means of studies on the site-city interaction [5][6][7]. Recently, Alexander et al [8] developed a discrete model to study the SSSI problem of surface foundations by considering stochastic ground motion excitation and, Aldaikh et al [9] extended the work of Alexander et al [8] to the case of three buildings with validation of the discrete theoretical model by means of experimentally shaketable testing.…”

Section: Introductionmentioning

confidence: 99%

Vibration control of a cluster of buildings through the Vibrating Barrier

Tombari

Espinosa

Alexander³

et al. 2018

Mechanical Systems and Signal Processing

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A novel device, called vibrating barrier (ViBa), that aims to reduce the vibrations of adjacent structures subjected to ground motion waves has been recently proposed. The ViBa is a structure buried in the soil and detached from surrounding buildings that is able to absorb a significant portion of the dynamic energy arising from the ground motion. The working principle exploits the dynamic interaction among vibrating structures due to the propagation of waves through the soil, namely the structure-soil-structure interaction. In this paper the efficiency of the ViBa is investigated to control the vibrations of a cluster of buildings. To this aim a discrete model of structures-site interaction involving multiple buildings and the ViBa is developed. In particular, the effects of the soil on the structures, i.e. the soil-structure interaction (SSI) as well as the structure-soilstructure interaction (SSSI) and the ViBa-soil-structures interaction are taken into account in this paper by means of linear elastic springs as in the conventional Winkler approach for a linear elastic soil medium.Closed-form solutions are derived to design the ViBa in the case of harmonic excitation from the analysis of discrete models. Advanced Finite Element numerical simulations are performing in order to assess the efficiency of the ViBa in protecting one or more buildings. Parametric studies are also conducted to identify beneficial/adverse effects in the use of the proposed vibration control strategy to protect cluster of buildings.

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“…Considering pounding and cross-interaction concurrently is not usual in seismic analysis because high-accurate modeling of SSSI problems is particularly complicated. In recent works, researchers have tried to simplify the modeling of SSSI problems while preserving a sufficient level of accuracy, such as simple discrete models for the interaction of adjacent buildings [24][25][26][27] or the near-field method for the inelastic modeling of SSSI problems [28]. The interested reader may refer to the reference [29] where a comprehensive list of SSSI-included studies could be found.…”

Section: Introductionmentioning

confidence: 99%

Damage‐based seismic planar pounding analysis of adjacent symmetric buildings considering inelastic structure–soil–structure interaction

Ghandil

Aldaikh

2016

Earthq Engng Struct Dyn

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Damage-based seismic planar pounding analysis of adjacent symmetric buildings considering inelastic structure-soil-structure interaction Aldaikh, H.; Ghandil, M. Published in: Earthquake Engineering and Structural Dynamics DOI:10.1002/eqe.2848 Publication date: 2017 Document Version Peer reviewed version Link to publication in Discovery Research PortalCitation for published version (APA): Aldaikh, H., & Ghandil, . M. (2017). Damage-based seismic planar pounding analysis of adjacent symmetric buildings considering inelastic structure-soil-structure interaction. Earthquake Engineering and Structural Dynamics, 46(7), 1141-1159. DOI: 10.1002/eqe.2848 General rightsCopyright and moral rights for the publications made accessible in Discovery Research Portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.• Users may download and print one copy of any publication from Discovery Research Portal for the purpose of private study or research.• You may not further distribute the material or use it for any profit-making activity or commercial gain.• You may freely distribute the URL identifying the publication in the public portal. Take down policyIf you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim. Aldaikh, H., & Ghandil, . M. (2016). Damage-based seismic planar pounding analysis of adjacent symmetric buildings considering inelastic structure-soil-structure interaction. Earthquake Engineering and Structural Dynamics. General rightsCopyright and moral rights for the publications made accessible in Discovery Research Portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.• Users may download and print one copy of any publication from Discovery Research Portal for the purpose of private study or research.• You may not further distribute the material or use it for any profit-making activity or commercial gain.• You may freely distribute the URL identifying the publication in the public portal. Take down policyIf you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim. Abstract 8In cities and urban areas, building structures located at close proximities inevitably interact under 9 dynamic loading by direct pounding and indirectly through the underlying soil. Majority of the 10 previous adjacent buildings pounding studies that have taken the Structure-Soil-Structure Interaction 11 (SSSI) problem into account have used simple lumped mass-spring-dashpot models under plane-strain 12 conditions. In this research, the problem of SSSI-included pounding problem of two adjacent 13 symmetric in plan buildings resting on a soft soil pr...

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A simple discrete model for interaction of adjacent buildings during earthquakes

Cited by 64 publications

References 17 publications

Seismic response analysis of adjacent liquid‐storage tanks

Seismic response analysis of adjacent liquid‐storage tanks

Vibration control of a cluster of buildings through the Vibrating Barrier

Damage‐based seismic planar pounding analysis of adjacent symmetric buildings considering inelastic structure–soil–structure interaction

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