Analisis Prilaku Struktur Rangka Baja Penahan Gempa Eksentris Dengan Modifikasi Sistem Self-Centering

Anwar, Masruri (2018) Analisis Prilaku Struktur Rangka Baja Penahan Gempa Eksentris Dengan Modifikasi Sistem Self-Centering. Masters thesis, Institutut Teknologi Sepuluh Nopember.

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Abstract

Konsep Dasar untuk Desain EBF adalah Kekuatan dan daktilitas struktur portal yang dirancang dengan berhubungan langsung dengan kekuatan Dan daktilitas dari link. Untuk desain EBF disipasi energi gempa terjadi melalui deformasi plastic pada elemen link selama gempa besar terjadi.
Sistem struktur penahan gempa yang disebut sistem self-centering adalah sistem yang menggunakan perilaku kesenjangan-pembukaan (Gap Opening) di sendi kritis yang dipilih antara elemen struktural utama tanpa mengesampingkan disipasi energi pada elemen untuk memberikan perilaku pelunakan nonlinier, daktilitas, dan energi disipasi tanpa deformasi inelastis yang signifikan yang mengakibatkan kerusakan pada bagian struktur utama terkait. Energi elastis untuk mengembalikan posisi elemen struktur disediakan oleh post-tensioning tendon, serta dapat membantu menghilangkan sisa drift.
Simpangan lateral dan drift yang dihasilkan pada model gedung SCEBF-SL lebih kecil dibandingkan dengan dua model gedung yang lain, dan Model gedung SCEBF-LL memiliki nilai simpangan deck terbesar. Dengan demikian struktur gedung yang menggunakan short link (link pendek) memberikan respon yang lebih baik dibandingkan intermediate link (link menengah) maupun long link (link panjang). Diagram hesterersis menunjukan bahwa model SCEBF-IL memiliki nilai tegangan terbesar pada drift maksimal dibandingkan dengan model SCEBF-SL maupun SCEBF-LL.
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Basic concepts for EBF design are strength and ductility of portal structure designed to deal directly with the strength and ductility of the link. For the design of EBF earthquake energy dissipation occurs throught plastic deformation of the link element during a large earthquake
An earthquake retaining structure system called a self-centering system is a system that uses gap opening behavior at selected critical joints between the main structural elements without overriding the energy dissipation of the element to provide nonlinier softening behavior, ductility, and dissipation energy without deformation significant inelastic resulting in damage to the main structural parts related. Elastic energy to restore the position of structural element is provide by post-tensioning tendons, and can help eliminate residual drift.
The lateral deviation and drift generated in the SCEBF-SL building model are smaller than the other two building models, and the SCEBF-LL building model has the largest deck deviation value. Thus the building structure that ises short links provide a better response that intermediate links and long links. The hesterersis diagram shows that the SCEBF-IL model has the greatest stress value on maximum drift compared to the SCEBF-SL and SCEBF-LL

Item Type:	Thesis (Masters)
Additional Information:	RTS 624.176 2 Anw a-1 2018
Uncontrolled Keywords:	SC-EBF , Self-centering , Post-tensioning tendon
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) T Technology > TA Engineering (General). Civil engineering (General) > TA658 Structural design
Divisions:	Faculty of Civil, Planning, and Geo Engineering (CIVPLAN) > Civil Engineering > 22101-(S2) Master Thesis
Depositing User:	Anwar Masruri
Date Deposited:	13 Sep 2021 02:37
Last Modified:	13 Sep 2021 02:37
URI:	http://repository.its.ac.id/id/eprint/59867

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