In recent years, tsunami surges several regions in Indonesia, particularly in Sumatera Island which cause the damage to various facilities and infrastructures, even inflicting considerable casualties. The last strong undersea earthquake in Mentawai, West Sumatera on 2009, has warned the government to face the tsunami disaster in next big earthquake. Therefore, it is needed rescue strategies (mitigation) in the form of vertical evacuation in high and strong buildings, one of which is in the form of providing shelter at vulnerable area to tsunami. Padang City has built a five-story shelter building made of Reinforced Concrete Structures located in Ulak Karang, North Padang. Based on the review, there is no tsunami loads consider by the design consultant in designing the shelter due to there is no Indonesian standard code in designing the shelter building. Actually, the tsunami loads should be considered if the shelter will be used for evacuation due to earthquake and tsunami. This paper presents the effect of tsunami loads on Ulak Karang Shelter structure. The comparison of structural responses on the shelter structure with and without impacted by tsunami loads based on FEMA-646 standard code was also discussed.
Tsunami loads, earthquake, internal forces, load-bearing capacity, shelter, FEMA P-646
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