Evaluation of Cost Analyses for Earthquake Resistant Reinforced Concrete Buildings Based on Malaysian National Annex to Eurocode 8
Earthquake is one of the most destructive natural disasters. Malaysia is perceived as an earthquake-free zone because the country is situated relatively far from active seismic fault region. As such, almost all buildings in Malaysia were designed without considering and seismic action. However, the June 2015 Ranau earthquake has proven that buildings in East Malaysia can be susceptible to damage due to local earthquake event. With the establishment of Malaysia National Annex to Eurocode 8, buildings in Malaysia can be designed considering seismic loading. A number of studies have been conducted to investigate the response and the change in the material cost, however, the results were scattered. This study aims to investigate the increase in the material cost due to the adoption of seismic loading and evaluate the influence of building height with respect to the material cost. Three types of buildings with different storey height were generated in the designs namely, low rise (5-storey), medium rise (10-storey) and high-rise (20-storey). All models were regular in plan and elevation and generated into two-dimensional (2D) reinforced concrete moment resisting frame using SAP2000 software. The results showed that the cost for the main frame members increased 41%, 25% and 7% for low-rise, medium-rise and high-rise, respectively.
KeywordsEarthquake Seismic design EC 8 Reinforced concrete Cost analyses
The authors express their gratitude and appreciation for the funding provided by the Research University Grant (101/PAWAM/8014096) from Universiti Sains Malaysia.
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