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Incremental dynamic analysis and fragility assessment of buildings founded on different soil types experiencing structural pounding during earthquakes
Abstract
The effect of the soil type on buildings experiencing pounding during earthquakes is investigated in this study using the incremental dynamic analysis and fragility assessment methods. Three 3-D structures with different number of storeys (4, 6 and 8) were considered in this study. Three pounding scenarios between these three buildings were taken into account, i.e. pounding between 4-storey and 6-storey buildings, between 4-storey and 8-storey buildings and between 6-storey and 8-storey buildings. First, the effect of the site parameters was investigated so as to take into consideration the values that lead to higher responses. Then, the effects of earthquake-induced pounding between buildings founded on a specified soil type for these three pounding scenarios were analysed and compared with no pounding case. Finally, pounding for these three scenarios was studied under different soil types defined in the ASCE 7-10 code (hard rock, rock, very dense soil and soft rock, stiff soil and soft clay soil). The results of this study indicate that the effect of pounding follows two general trends which are destructive and beneficial. Also, the vibrating buildings was found to be more vulnerable to damage due to pounding when they are founded on the soft clay soil, then when they are founded on the stiff soil, then when they are founded on very dense soil and soft rock, and finally when they are founded on the rock and hard rock.
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
ENGINEERING STRUCTURES
no. 252,
ISSN: 0141-0296 - Language:
- English
- Publication year:
- 2022
- Bibliographic description:
- Miari M., Jankowski R.: Incremental dynamic analysis and fragility assessment of buildings founded on different soil types experiencing structural pounding during earthquakes// ENGINEERING STRUCTURES -Vol. 252, (2022), s.113118-
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.engstruct.2021.113118
- Sources of funding:
-
- COST_FREE
- Verified by:
- Gdańsk University of Technology
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