Since Padang City is defined to have the most tsunami risk in Indonesia, there are many studies h... more Since Padang City is defined to have the most tsunami risk in Indonesia, there are many studies have been done to mitigate the tsunami disaster. One of the mitigation action for tsunamis is done by constructing tsunami shelters. The tsunami shelter structure must be designed to withstand during a big earthquake which occurred at first before the tsunami. Further, the structure should be able to restrain the tsunami attack along with the tsunami induced forces. Reinforced concrete is a material that has been widely used to build the existing shelter. This study describes the use of the composite material consist of H-section steel and reinforced concrete for the main structure of the tsunami shelter in Padang. Three-dimensional finite element method is used as the numerical tool to calculate the internal forces in the structure of the shelter. Based on the results of this study, it can be elaborated the advantages of the composite materials compared to the reinforced concrete for earthquake and tsunami resistant structures. One of those advantages is the relatively slim structure which resulting relatively smaller internal forces. The composite structure also requires relatively more economic foundation system compared to the reinforced concrete structure.
Since Padang City is defined to have the most tsunami risk in Indonesia, there are many studies h... more Since Padang City is defined to have the most tsunami risk in Indonesia, there are many studies have been done to mitigate the tsunami disaster. One of the mitigation action for tsunamis is done by constructing tsunami shelters. The tsunami shelter structure must be designed to withstand during a big earthquake which occurred at first before the tsunami. Further, the structure should be able to restrain the tsunami attack along with the tsunami induced forces. Reinforced concrete is a material that has been widely used to build the existing shelter. This study describes the use of the composite material consist of H-section steel and reinforced concrete for the main structure of the tsunami shelter in Padang. Three-dimensional finite element method is used as the numerical tool to calculate the internal forces in the structure of the shelter. Based on the results of this study, it can be elaborated the advantages of the composite materials compared to the reinforced concrete for earthquake and tsunami resistant structures. One of those advantages is the relatively slim structure which resulting relatively smaller internal forces. The composite structure also requires relatively more economic foundation system compared to the reinforced concrete structure.
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