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Effective Gap Size Index for Determination of Optimum Separation Distance Preventing Pounding between Buildings during Earthquakes

Abstract

Seismic excitations may lead to collisions between adjacent civil engineering structures causing major damage. In this paper, an effective equation for calculating the gap size index is proposed so as to provide the optimum separation distance preventing structural pounding during different earthquakes. Evaluation of the best prediction of the required separation distance between two adjacent buildings was carried out by using the lumped mass multi-degree-of-freedom models of structures. Special computer program was used to perform dynamic analyses in order to confirm the accuracy of the proposed formula. For this purpose, several different models of buildings with various properties under different earthquake excitations were analyzed. The results of the study clearly show that the proposed formula for the gap size index (based on vibration periods and damping ratios of buildings) is effective and it allows us to calculate the optimum separation between adjacent structures preventing their pounding during different earthquakes.

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Keywords

Details

Category:
Articles
Type:
artykuły w czasopismach
Published in:
Applied Sciences-Basel no. 11,
ISSN: 2076-3417
Language:
English
Publication year:
2021
Bibliographic description:
Khatami S., Naderpour H., Mortezaei A., Nazem Razavi S., Lasowicz N., Jankowski R.: Effective Gap Size Index for Determination of Optimum Separation Distance Preventing Pounding between Buildings during Earthquakes// Applied Sciences-Basel -Vol. 11,iss. 5 (2021), s.2322-
DOI:
Digital Object Identifier (open in new tab) 10.3390/app11052322
Verified by:
Gdańsk University of Technology

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