RISKS OF SEISMIC ACTIVITIES ON BUILT ENVIRONMENT IN NIGERIA

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dc.creatorAkpabot, Akpabot Ifiok, Ede, A. N., Olofinnade, O. M., Bamigboye, Gideon
dc.date2017
dc.date.accessioned2025-03-31T09:50:49Z
dc.descriptionEvery building is designed to be safe and meet certain needs in order to prevent collapse. Factors leading to building collapse could be natural or man-made. Results of collapse of buildings are numerous; they include death, disability of victims, destruction of properties, economic losses, etc. Until recently, Nigeria was believed to be aseismic due its distance away from major earthquake zones. However, modern seismic activities have led to the prediction of a major earthquake occurrence in Nigeria in the future. This study seeks to estimate the risks and impact of seismic hazard on the built environment in Lagos State, Nigeria. Assuming a uniform seismic intensity measure for the study area, a model is created that estimates the number of casualties and built area that would be affected by earthquakes of different ground motions. Monte Carlo simulation method is used in MATLAB software to draw random data of building area, occupancy limits, construction quality and failure probability for the computational analysis. The results showed that an average seismic intensity measure of 0.4g will affect between 1000-1060 km2 of building area. At the same intensity, between 6.5-6.9 million of a total population of 21 million people residing in Lagos State will be affected. These huge losses therefore call for urgent mitigating activities such as the design and construction of seismic resistant buildings to reduce risks of damages when earthquake occur
dc.formatapplication/pdf
dc.identifierhttp://eprints.covenantuniversity.edu.ng/9019/
dc.identifier.urihttps://repository.covenantuniversity.edu.ng/handle/123456789/38376
dc.languageen
dc.subjectTA Engineering (General). Civil engineering (General)
dc.titleRISKS OF SEISMIC ACTIVITIES ON BUILT ENVIRONMENT IN NIGERIA
dc.typeConference or Workshop Item

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