Model updating of seven-storey cross-laminated timber building designed on frequency-responsefunctions-based modal testing

Blaž Kurent (Author), Boštjan Brank (Author), Kei Ao Wai (Author)

Abstract

Based on the experimental estimation of the key dynamic properties of a seven-storey building made entirely of cross-laminated timber (CLT) panels, the finite element (FE) model updating was performed. The dynamic properties were obtained from an input-output full-scale modal testing of the building in operation. The chosen parameters for the FE model updating allowed the consideration of the timber connections in a smeared sense. This approach led to an excellent match between the first six experimental and numerical modes of vibrations, despite spatial aliasing. Moreover, it allowed, together with the sensitivity analysis, to estimate the stiffness (affected by the connections) of the building structural elements. Thus, the study provides an insight into the as-built stiffness and modal properties of tall CLT building. This is valuable because of the currently limited knowledge about the dynamics of tall timber buildings under service loadings, especially because their design is predominantly governed by the wind-generated vibrations.

Keywords

gradbene konstrukcije;visoke lesene stavbe;kalibracija modela;engineering structures;tall timber building;model updating;crosslaminated timber (CLT);dynamic service loading;forced vibration tests;modal parameters;spatial aliasing;finite element model updating;

Data

Language:	English
Year of publishing:	2021
Typology:	1.01 - Original Scientific Article
Organization:	UL FGG - Faculty of Civil and Geodetic Engineering
UDC:	624.07
COBISS:	66879491
ISSN:	1573-2479
Views:	341
Downloads:	53
Average score:	0 (0 votes)
Metadata:

Other data

Secondary language:	Slovenian
Secondary keywords:	gradbene konstrukcije;visoke lesene stavbe;kalibracija modela;
Type (COBISS):	Article
Pages:	str. 1-20
Chronology:	2021
DOI:	10.1080/15732479.2021.1931893
ID:	13024028