Finite Element Modelling Results of High-Rise Timber Buildings

Dynamic Modal Analysis

Document identifier: oai:DiVA.org:ltu-77064
Keyword: Engineering and Technology, Civil Engineering, Building Technologies, Teknik och teknologier, Samhällsbyggnadsteknik, Husbyggnad, Cross laminated timber, Wind-induced vibration, Modal analysis, Floor plan, Openings, Byggproduktion och teknik, Construction Management and Building Technology
Publication year: 2019
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Abstract:

Tall timber buildings are built around the world and the development is moving forward. Tall timber buildings are sensitive to wind-induced vibration and can cause discomfort for humans. In this report is the results from a dynamic analysis preformed on a cross-laminated buildings system presented. Size and placement of openings and floor plans have been investigated using finite element analysis and dynamic modal analyses. The results show that asymmetric placement of openings and asymmetric floor plans may affect the dynamic behaviour of tall timber buildings. Asymmetry can cause modes with a tendency to rotate and even diagonal modes. Timber buildings may have problem to fulfil the comfort criteria already at a slenderness of 1.5-2.1.

Authors

Ida Edskär

Luleå tekniska universitet; Industriellt och hållbart byggande
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    header: 
        identifier: oai:DiVA.org:ltu-77064
        datestamp: 2021-04-19T12:41:36Z
        setSpec: SwePub-ltu
    metadata: 
        mods: 
            @attributes: 
                version: 3.7
            recordInfo: 
                recordContentSource: ltu
                recordCreationDate: 2019-12-04
            identifier: 
                978-91-7790-519-6
                http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-77064
            titleInfo: 
                @attributes: 
                    lang: eng
                title: Finite Element Modelling Results of High-Rise Timber Buildings
                subTitle: Dynamic Modal Analysis
            abstract: 
Tall timber buildings are built around the world and the development is moving forward. Tall timber buildings are sensitive to wind-induced vibration and can cause discomfort for humans. In this report is the results from a dynamic analysis preformed on a cross-laminated buildings system presented. Size and placement of openings and floor plans have been investigated using finite element analysis and dynamic modal analyses. The results show that asymmetric placement of openings and asymmetric floor plans may affect the dynamic behaviour of tall timber buildings. Asymmetry can cause modes with a tendency to rotate and even diagonal modes. Timber buildings may have problem to fulfil the comfort criteria already at a slenderness of 1.5-2.1.

            subject: 
                    @attributes: 
                        lang: eng
                        authority: uka.se
                    topic: 
                        Engineering and Technology
                        Civil Engineering
                        Building Technologies
                    @attributes: 
                        lang: swe
                        authority: uka.se
                    topic: 
                        Teknik och teknologier
                        Samhällsbyggnadsteknik
                        Husbyggnad
                    @attributes: 
                        lang: eng
                    topic: cross laminated timber
                    @attributes: 
                        lang: eng
                    topic: wind-induced vibration
                    @attributes: 
                        lang: eng
                    topic: modal analysis
                    @attributes: 
                        lang: eng
                    topic: floor plan
                    @attributes: 
                        lang: eng
                    topic: openings
                    @attributes: 
                        lang: swe
                        authority: ltu
                    topic: Byggproduktion och teknik
                    genre: Research subject
                    @attributes: 
                        lang: eng
                        authority: ltu
                    topic: Construction Management and Building Technology
                    genre: Research subject
            language: 
                languageTerm: eng
            genre: 
                publication/report
                vet
            note: 
                Published
                1
            name: 
                @attributes: 
                    type: personal
                    authority: ltu
                namePart: 
                    Edskär
                    Ida
                role: 
                    roleTerm: aut
                affiliation: 
                    Luleå tekniska universitet
                    Industriellt och hållbart byggande
                nameIdentifier: 
                    idanas
                    0000-0002-0675-6875
            originInfo: 
                dateIssued: 2019
                publisher: Luleå University of Technology
                place: 
                    placeTerm: Luleå
            relatedItem: 
                @attributes: 
                    type: series
                titleInfo: 
                    title: Teknisk rapport / Luleå tekniska universitet
                identifier: 1402-1536
            location: 
                url: http://ltu.diva-portal.org/smash/get/diva2:1375132/FULLTEXT02.pdf
            accessCondition: gratis
            physicalDescription: 
                form: electronic
                extent: 25s.
            typeOfResource: text