Operational modal analysis of a reinforced concrete factory building in Hong Kong

H. F. Lam; J. H. Yang; J. Hu

doi:10.1201/9781315226460-309

Operational modal analysis of a reinforced concrete factory building in Hong Kong

H. F. Lam
, J. H. Yang
, J. Hu

Department of Architecture and Civil Engineering

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

Abstract

This paper presents the ambient vibration test and Operational Modal Analysis (OMA) for a typical reinforced concrete factory building which was built over 40 years ago. Detailed modal parameters of the factory building were obtained under operational conditions. The measurement was conducted in two phases. In the first phase, the vibration of the roof slab was measured to understand its dynamic behaviors. In the second phase, measurements were made on all floors of the building to assess mainly its lateral vibration. Because the number of sensors was limited, multiple setups of measurement were carried out with each setup covering a small portion of the structure so as to obtain high resolution mode shapes of the building. Reference locations were measured between each two successive setups such that the partial mode shapes from different setups could be assembled to form the global mode shapes. The identified modal frequencies, modal damping ratios and mode shapes reveal typical dynamic behaviors of factory buildings in Hong Kong.

Original language	English
Title of host publication	Mechanics of Structures and Materials
Subtitle of host publication	Advancements and Challenges - Proceedings of the 24th Australasian Conference on the Mechanics of Structures and Materials, ACMSM24 2016
Editors	Hong Hao, Chunwei Zhang
Publisher	CRC Press/Balkema
Pages	1839-1846
Volume	2
ISBN (Electronic)	978-1-315-22646-0
ISBN (Print)	9781138029934 (set), 978-1-138-02994-1 (Vol 1), 978-1-138-02995-8 (Vol 2)
DOIs	https://doi.org/10.1201/9781315226460-309
Publication status	Published - Dec 2016
Event	24th Australasian Conference on the Mechanics of Structures and Materials (ACMSM 2016) - Perth, Australia Duration: 6 Dec 2016 → 9 Dec 2016 http://scieng.curtin.edu.au/wp-content/uploads/sites/7/2016/11/ACMSM24_program_REV4.pdf

Conference

Conference	24th Australasian Conference on the Mechanics of Structures and Materials (ACMSM 2016)
Place	Australia
City	Perth
Period	6/12/16 → 9/12/16
Internet address	http://scieng.curtin.edu.au/wp-content/uploads/sites/7/2016/11/ACMSM24_program_REV4.pdf

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Lam, H. F., Yang, J. H., & Hu, J. (2016). Operational modal analysis of a reinforced concrete factory building in Hong Kong. In H. Hao, & C. Zhang (Eds.), Mechanics of Structures and Materials: Advancements and Challenges - Proceedings of the 24th Australasian Conference on the Mechanics of Structures and Materials, ACMSM24 2016 (Vol. 2, pp. 1839-1846). CRC Press/Balkema. https://doi.org/10.1201/9781315226460-309

Lam, H. F. ; Yang, J. H. ; Hu, J. / Operational modal analysis of a reinforced concrete factory building in Hong Kong. Mechanics of Structures and Materials: Advancements and Challenges - Proceedings of the 24th Australasian Conference on the Mechanics of Structures and Materials, ACMSM24 2016. editor / Hong Hao ; Chunwei Zhang . Vol. 2 CRC Press/Balkema, 2016. pp. 1839-1846

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title = "Operational modal analysis of a reinforced concrete factory building in Hong Kong",

abstract = "This paper presents the ambient vibration test and Operational Modal Analysis (OMA) for a typical reinforced concrete factory building which was built over 40 years ago. Detailed modal parameters of the factory building were obtained under operational conditions. The measurement was conducted in two phases. In the first phase, the vibration of the roof slab was measured to understand its dynamic behaviors. In the second phase, measurements were made on all floors of the building to assess mainly its lateral vibration. Because the number of sensors was limited, multiple setups of measurement were carried out with each setup covering a small portion of the structure so as to obtain high resolution mode shapes of the building. Reference locations were measured between each two successive setups such that the partial mode shapes from different setups could be assembled to form the global mode shapes. The identified modal frequencies, modal damping ratios and mode shapes reveal typical dynamic behaviors of factory buildings in Hong Kong.",

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note = "24th Australasian Conference on the Mechanics of Structures and Materials (ACMSM 2016) ; Conference date: 06-12-2016 Through 09-12-2016",

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Lam, HF, Yang, JH & Hu, J 2016, Operational modal analysis of a reinforced concrete factory building in Hong Kong. in H Hao & C Zhang (eds), Mechanics of Structures and Materials: Advancements and Challenges - Proceedings of the 24th Australasian Conference on the Mechanics of Structures and Materials, ACMSM24 2016. vol. 2, CRC Press/Balkema, pp. 1839-1846, 24th Australasian Conference on the Mechanics of Structures and Materials (ACMSM 2016), Perth, Western Australia, Australia, 6/12/16. https://doi.org/10.1201/9781315226460-309

Operational modal analysis of a reinforced concrete factory building in Hong Kong. / Lam, H. F.; Yang, J. H.; Hu, J.
Mechanics of Structures and Materials: Advancements and Challenges - Proceedings of the 24th Australasian Conference on the Mechanics of Structures and Materials, ACMSM24 2016. ed. / Hong Hao; Chunwei Zhang . Vol. 2 CRC Press/Balkema, 2016. p. 1839-1846.

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

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N2 - This paper presents the ambient vibration test and Operational Modal Analysis (OMA) for a typical reinforced concrete factory building which was built over 40 years ago. Detailed modal parameters of the factory building were obtained under operational conditions. The measurement was conducted in two phases. In the first phase, the vibration of the roof slab was measured to understand its dynamic behaviors. In the second phase, measurements were made on all floors of the building to assess mainly its lateral vibration. Because the number of sensors was limited, multiple setups of measurement were carried out with each setup covering a small portion of the structure so as to obtain high resolution mode shapes of the building. Reference locations were measured between each two successive setups such that the partial mode shapes from different setups could be assembled to form the global mode shapes. The identified modal frequencies, modal damping ratios and mode shapes reveal typical dynamic behaviors of factory buildings in Hong Kong.

AB - This paper presents the ambient vibration test and Operational Modal Analysis (OMA) for a typical reinforced concrete factory building which was built over 40 years ago. Detailed modal parameters of the factory building were obtained under operational conditions. The measurement was conducted in two phases. In the first phase, the vibration of the roof slab was measured to understand its dynamic behaviors. In the second phase, measurements were made on all floors of the building to assess mainly its lateral vibration. Because the number of sensors was limited, multiple setups of measurement were carried out with each setup covering a small portion of the structure so as to obtain high resolution mode shapes of the building. Reference locations were measured between each two successive setups such that the partial mode shapes from different setups could be assembled to form the global mode shapes. The identified modal frequencies, modal damping ratios and mode shapes reveal typical dynamic behaviors of factory buildings in Hong Kong.

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M3 - RGC 32 - Refereed conference paper (with host publication)

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SN - 978-1-138-02995-8 (Vol 2)

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Lam HF, Yang JH, Hu J. Operational modal analysis of a reinforced concrete factory building in Hong Kong. In Hao H, Zhang C, editors, Mechanics of Structures and Materials: Advancements and Challenges - Proceedings of the 24th Australasian Conference on the Mechanics of Structures and Materials, ACMSM24 2016. Vol. 2. CRC Press/Balkema. 2016. p. 1839-1846 doi: 10.1201/9781315226460-309

Operational modal analysis of a reinforced concrete factory building in Hong Kong

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