Abstract
Indonesia is an area prone to earthquakes. Earthquakes caused by the movement of the earth's plates are the biggest cause of earthquakes that will cause damage to the building structure. Earthquakes occurring in Indonesia often cost lives. However, it is certain that the cause of the loss of life is not directly caused by the earthquake, but caused by the destruction of the building that caused the collapse in the building.The purpose of writing the final task is to determine the performance criteria of the university building's seismic performance from the performance point value using the ATC-40 code, showing the melamine scheme (plastic joint distribution) occurring from the calculation of the software program, knowing the collapse pattern of the building so it can be known the joints Suffered damage and suffered destruction and compared the results of spectral response analysis with pushover analysis. From the results of the study, the structure of the building is able to provide nonlinear behavior indicated by the initial phase and the majority of plastic joints occur in new beam elements and then column elements. The performance level of the structure enters the criterion of Immediate Occupancy which means that minor structural and building damage can be reused immediately.
Highlights
Indonesia is an area prone to earthquakes
Earthquakes caused by the movement of the earth's plates are the biggest cause of earthquakes
Earthquakes occurring in Indonesia often cost lives
Summary
Gempa bumi adalah pelepasan energi pada muka bumi, merambat melalui permukaan tanah. Terjadinya gempa bumi disebabkan oleh benturan/gesekan antara plat tektonik (lempeng bumi) atau amblesnya dasar laut. Lempeng samudera yang rapat massanya lebih besar bertumbukkan dengan lempeng benua di zona tumbukan (subduksi) akan menyusup ke bawah. Gerakan lempeng itu akan mengalami perlambatan akibat gesekan dari selubung bumi. Perlambatan gerak itu menyebabkan penumpukkan energi di zona subduksi dan zona patahan. Akibatnya zona-zona itu terjadi tekanan, tarikan dan geseran. Pada batas elastisitas lempeng terlampaui maka terjadilah patahan batuan yang diikuti oleh lepasnya energi secara tiba-tiba. Proses ini menimbulkan getaran partikel ke segala arah yang disebut gelombang gempa
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