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All Journal Journal of Civil Engineering Prosidia Widya Saintek
Ika Salsabila Nurahida
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Agriculture, Biological Sciences & Forestry Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mechanical Engineering Social Sciences Transportation

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FINITE ELEMENT ANALYSIS ON THE NONLINEAR BEHAVIOR OF THE RC SHEAR WALL WITH REGULAR OPENINGS INFLUENCED BY HIGH-STRENGTH STEEL Ika Salsabila Nurahida; Bambang Piscesa; Pujo Aji; Asdam Tambusay
Journal of Civil Engineering Vol 37, No 2 (2022)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v37i2.13447

Abstract

This paper presented a nonlinear finite element analysis of lateral loading RC shear walls with regular openings using the 3D-NLFEA program. The RC shear walls model was generated from the available test results in the literature. To model the concrete under a complex stress state, a multi-surface plasticity model which combines compression failure surface with tension cut-off failure surface was used. The model was intended to look at the load-displacement relationship and the crack pattern between the model and the numerical model. In addition to the numerical model verification, parametric studies were carried out to investigate the use of high-strength steel (HSS) of the two different grades (grades 100 and 120) to replace all the normal-strength steel (NSS) or only some of it. The parametric studies found that the shear wall with the NSS bar demonstrated higher stiffness and achieved higher lateral load with the lowest extent of damage (compared to the RC shear wall with the HSS bar). On the other hand, using the HSS bar resulted in lower stiffness, lower lateral load, and higher damage region, which was expected as more strain is required to yield the HSS bar.
EVALUASI STRUKTUR DERMAGA KAISON AKIBAT RENCANA PENGEMBANGAN PELABUHAN Nurahida, Ika Salsabila; Pranoto, Pranoto; Suraji, Aji
Prosidia Widya Saintek Vol. 3 No. 2 (2024)
Publisher : Universitas Widyagama Malang

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Abstract

Negara Indonesia sebagian besar berupa lautan, sehingga Indonesia memerlukan pelabuhan sebagai saran penunjang pertumbuhan ekonomi. Pelabuhan Tanjung Perak Surabaya merupakan pelabuhan dengan wilayah yang strategis dengan dikukung daerah hinterland Jawa Timur. Seiring meningkatnya pertumbuhan ekonomi maka PT Pelindo III melakukan penataan ruang bongkar muat dan klasterisasi pada beberapa dermaga. Salah satu dermaga yang mengalami klasterisasi adalah dermaga X dimana dulu dermaga X adalah dermaga yang menangani muatan general cargo menjadi dermaga multipurpose. Sehingga dermaga X akan mengalami pengembangan seperti yang direncanakan, yaitu peningkatan bobot kapal yang ditambat sesuai dengan stabilitas struktur kapal yang dapat ditambat agar struktur kaison tetap aman, yaitu kapal container 10.000 DWT. Namun, tetap perlu dilakukan perkuatan terhadap struktur kaison dikarenakan terjadi pengerukan. Struktur dermaga X menggunakan kaison, sehingga perlu dilakukan evaluasi terhadap stabilitas eksternal dan kapasitan elemen struktur dermaga itu sendiri. Berdasarkan hasil evaluasi, untuk stabilitas eksternal struktur dermaga masih memenuhi, namun untuk kapasitas elemen struktur dermaga kaison tidak memenuhi, sehingga diperlukan rencana perkuatan kedepannya. Rekomendasi perkuatan yang diusulkan adalah penambahan elemn struktur dinding pengaku di tengah bentang atau dermaga baru didepan struktur dermaga eksisting.
Co-Authors Aji Suraji Asdam Tambusay Bambang Piscesa Pranoto Pranoto Pujo Aji