Effect of construction features on the dynamic performance of mid-rise CLT platform-type buildings

Ussher, Ebenezer; Gurholt, Carl-Ulrik Dahle; Mikalsen, Jonas Næss; Aloisio, Angelo; Tomasi, Roberto

doi:10.1080/17480272.2022.2078223

Wood Material Science & Engineering

2022

DOI: 10.1080/17480272.2022.2078223

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Effect of construction features on the dynamic performance of mid-rise CLT platform-type buildings

Ebenezer Ussher

Carl-Ulrik Dahle Gurholt

Jonas Næss Mikalsen

et al.

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Cited by 6 publications

References 22 publications

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Evaluation of vibration properties of an 18-story mass timber–concrete hybrid building by on-site vibration tests

Miyazu,

Loss

2024

J Civil Struct Health Monit

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Timber–concrete hybrid structural systems are a practical option to provide tall mass timber buildings with a lateral load-resisting system. This paper discusses the dynamic behavior of an 18-story timber–concrete hybrid building based on the vibration properties evaluated by on-site vibration tests. First, microtremor measurements and human-powered excitation tests were carried out and the obtained vibration data were analyzed using a stochastic subspace identification method to derive natural frequencies, damping ratios, and mode shapes. Then, a finite-element (FE) model was developed based on detailed structural design information, and its eigenvalues and eigenvectors were compared with the test results. The vibration test results showed various mode shapes, including in-plane deformation of the floor diaphragm composed of cross-laminated timber (CLT) panels. The damping ratios in all the modes were scattered between 1 and 3%, and no frequency dependency was observed. The modal properties of the FE model agreed well with the test results by considering the additional stiffness of non-structural components. In order to simulate the in-plane deformation of the CLT floor diaphragm, detailed modeling of the connection between each CLT floor panel and the connection between CLT floor panels and concrete cores is recommended. The findings provide practitioners with an insight into dynamic properties and FE modeling methods of tall timber–concrete hybrid buildings.

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Evaluation of vibration properties of an 18-story mass timber–concrete hybrid building by on-site vibration tests

Miyazu,

Loss

2024

J Civil Struct Health Monit

View full text Add to dashboard Cite

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Vibration-based monitoring of a cross-laminated timber building in a high seismicity zone

Jara-Cisterna,

Benedetti,

Rosales

et al. 2024

J Civil Struct Health Monit

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Dynamic evaluation of a nine-storey timber-concrete hybrid building during construction

Larsson

Abdeljaber

Dorn

2023

Engineering Structures

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Effect of construction features on the dynamic performance of mid-rise CLT platform-type buildings

Cited by 6 publications

References 22 publications

Evaluation of vibration properties of an 18-story mass timber–concrete hybrid building by on-site vibration tests

Evaluation of vibration properties of an 18-story mass timber–concrete hybrid building by on-site vibration tests

Vibration-based monitoring of a cross-laminated timber building in a high seismicity zone

Dynamic evaluation of a nine-storey timber-concrete hybrid building during construction

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