Abstract
The selection of material is one of the important aspects used to design a building as it is known that every type of material has a different characteristic. The steel material used as the main component of building structure because of its ductility is more than another material which is the main criterion to design an earthquake resistance building. In this paper, an earthquake steel resistant structure building will be design. This building structure will consist of a five-story office with a regular structure configuration. A special moment frame (SMF) used as the resisting structure system of the earthquake loads as the amount of its load is analyzed using the spectrum response method. The steel material used is type of A36 (fy = 250 MPa; fu = 400 MPa), concrete used f’c = 30 MPa. The design process then produces an earthquake steel resistant structure building, which satisfies the requirement of story drift with a maximum number of story drift occurred in the 2nd story which is 93.5 mm less than allowed story drift that is 95 mm. A structure element dimension used is a beam with a profile of W16x7x40 for every level in the X-axis direction, and the beam with a profile is W14x6.75x38 for every level in Y-axis direction, 12 cm thick plates and column with a profile W14x16x211 is regularly used to every level.
Highlights
design a building as it is known that every type of material has a different characteristic
The steel material used as the main component of building structure
because of its ductility is more than another material which is the main criterion to design an earthquake resistance building
Summary
Lokasi perencanaan gedung dalam tulisan ini terletak di Kota Palu, Sulawesi Tengah. Pemilihan lokasi ini dimaksudkan karena Kota Palu merupakan salah satu wilayah gempa kuat sesuai dengan Peta Hazard Gempa Indonesia 2017 [11]. Sistem struktur atas yang digunakan merupakan Sistem Rangka Pemikul Momen Khusus (SRPMK) dari baja [12,13,14,15,16]. Pemilihan dimensi profil yang akan digunakan dalam perencanaan yaitu dengan cara memperkirakan (trial error) dimensi awal elemen struktur berdasarkan ketentuan yang berlaku. Material struktur yang digunakan terdiri dari baja dengan mutu A36 (fy = 250 MPa; fu = 400 MPa) dan beton dengan kuat tekan f’c = 30 MPa. Denah gedung arah horizontal memiliki bentang yang bervariasi yaitu 4 m dan. Adapun denah dari struktur yang direncanakan seperti Gambar 5
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