Full-scale dynamic testing of a steel frame building during construction

Full-scale testing of a six-story steel frame building with infill walls made primarily of autoclaved cellular concrete and curtain walls made of hollow core clay bricks using ambient and forced vibration methods are described in detail. The ambient vibration test took place in two stages of the con...

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Bibliographic Details
Published in:Engineering structures 1999-12, Vol.21 (12), p.1115-1127
Main Authors: Memari, A.M, Aghakouchak, A.A, Ghafory Ashtiany, M, Tiv, M
Format: Article
Language:English
Subjects:
ambient vibration
Applied sciences
autoclaved cellular concrete
Building structure
Buildings. Public works
Construction (buildings and works)
Exact sciences and technology
forced vibration
infill walls
Metal structure
seismic loads
Stresses. Safety
Structural analysis. Stresses
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Summary:Full-scale testing of a six-story steel frame building with infill walls made primarily of autoclaved cellular concrete and curtain walls made of hollow core clay bricks using ambient and forced vibration methods are described in detail. The ambient vibration test took place in two stages of the construction—stage one, when only the frames and slabs where constructed, and stage two when all the walls were put in place. The forced vibration was carried out when some of the walls were constructed. The results from the two test methods are compared with each other and also with computer analysis results based on conventional design office assumptions for modeling. Dynamic characteristics of the structure including natural frequencies, damping ratios and mode shapes determined from the tests are presented. The effect of Autoclaved Cellular Concrete (ACC) block infill and partition walls on the dynamic properties and stiffness of the building are discussed in detail. The advantages of using ACC block walls as infill wall material for seismic regions are concluded.
ISSN:0141-0296
1873-7323
DOI:10.1016/S0141-0296(98)00068-6