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Studi Numerik Pengaruh Penggunaan Vertical Corrugated Shearwall pada Struktur Portal Baja Akibat Pembebanan Statik Monotonik

Authors: Parulian, Simarmata;

Studi Numerik Pengaruh Penggunaan Vertical Corrugated Shearwall pada Struktur Portal Baja Akibat Pembebanan Statik Monotonik

Abstract

Dinding geser merupakan dinding struktural yang terbuat dari baja atau beton bertulang yang berfungsi untuk menahan gaya geser ataupun beban lateral pada struktur tersebut. Penggunaan shearwall pada struktur bangunan seperti portal berguna untuk menambah kapasitas pada struktur tersebut. Penelitian ini bertujuan untuk mengetahui kinerja struktur portal yang diberi dinding geser bergelombang (Corrugated Steel Plate Shearwall / CoSPSW) pada setiap variasi ketebalan dengan pembebanan statik monotonik berupa nilai beban ultimate ,daktilitas struktur, dan pola distribusi tegangan struktur portal baja. Permodelan struktur pada penelitian ini menggunakan software MSC Nastran Partran. Profil baja yang digunakan pada kolom dan balok yaitu IWF 400.200.8.13 dengan tinggi kolom 3,5 m dan lebar balok 6 m. Sedangkan untuk tebal shearwall divariasikan dengan ketebalan antara 3 mm sampai 10 mm. Hasil akhir yang diperoleh yaitu grafik hubungan antara beban ultimate dengan perpindahan (grafik P-delta) ,beban maksimum (P-ultimate), serta pola distribusi tegangan pada masing masing ketebalan shearwall. Untuk setiap variasi ketebalan, buckling (tekuk lateral) saat kondisi ultimate terjadi pada balok (panel zone), kecuali ketebalan 3 mm buckling yang terjadi pada shearwall di sekitar lokasi pembebanan. Peningkatan ketebalan shearwall akan meningkatkan nilai beban ultimate serta nilai beban perpindahan ultimatenya. Pada ketebalan 4 mm – 10 mm, peningkatan nilai beban ultimate yang terjadi tidak terlalu signifikan yaitu sebesar 1,37 – 1,44 kali lebih besar daripada nilai beban ultimate yang terjadi pada shearwall dengan tebal 3 mm. Peningkatan nilai daktilitas untuk variasi ketebalan 4 mm – 10 mm berbanding lurus dengan penambahan tebal shearwall. Besar peningkatan nilai daktilitas sebesar 156 % - 687 % dari nilai daktilitas yang terjadi pada shearwall dengan tebal 3 mm. Kata kunci : portal, Corrugated Steel Plate Shearwall, statik monotonik, MSC Patran Nastran, tekuk lateral, panel zone

Country
Indonesia
Related Organizations
Keywords

TH Building construction

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    influence
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average