Mulyadi, Elian Davin (2023) Simulasi Numerik Struktur Bawah Tanah yang Terkorosi pada Lapisan Tanah yang Berpotensi Mengalami Likuefaksi. Masters thesis, Institut Teknologi Sepuluh November.
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Abstract
Dalam dunia geoteknik, kondisi tanah lokal menjadi salah satu faktor yang berperan penting terhadap kerusakan struktur akibat gempa. Diketahui bahwa jenis tanah yang berbeda dapat menghasilkan karakteristik gelombang seismik yang berbeda selama terjadinya gempa, dan pengaruhnya terhadap struktur di sekitarnya sangat bergantung terhadap karakteristik gelombang tersebut. Salah satu fenomena paling kompleks yang dapat terjadi selama terjadinya gempa hingga menyebabkan kerusakan struktur yang parah adalah likuefaksi. Di sisi lain, tidak dapat dipungkiri bahwa dunia konstruksi, termasuk di dalamnya terkait struktur bawah tanah, sangat erat kaitannya dengan permasalahan korosi. Mempertimbangkan permasalahan tersebut, analisis numerik perlu dilakukan. Oleh karena itu, dalam studi ini, program PLAXIS 2D digunakan tidak hanya untuk memperoleh hasil potensi likuefaksi, tetapi juga untuk mensimulasikan perilaku seismik dan kinerja struktural dari struktur beton bertulang yang rusak akibat berbagai tingkatan dan rentang kerusakan korosi. Hasilnya menunjukkan bahwa pada gempa bumi dengan skala intensitas besar seperti gempa bumi Chi-Chi 1999 di Taiwan dan gempa bumi Kobe 1995 di Jepang, struktur bawah tanah yang terkorosi tentu berdampak terhadap kinerja struktur yang dihasilkan.
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In the world of geotechnical engineering, local soil conditions play an important role in the damage caused by earthquakes to structures. It is well known that different soil types can generate different seismic waves during earthquakes, and the way they affect nearby structures depends on their properties. One of the most complex phenomena that can occur during earthquakes and cause severe damage to structures is liquefaction. Meanwhile, it is also undeniable that the world of civil engineering itself, including underground structures, is closely related to corrosion problems. Considering these problems, numerical analysis must be carried out. Therefore, in this study, PLAXIS 2D software is used not only to obtain the results of liquefaction potential, but also to simulate the seismic behavior and structural performance of the deterioration of reinforced concrete structures due to various grades and ranges of corrosion damage. The results show that in strong earthquakes such as the 1999 Chi-Chi earthquake in Taiwan and the 1995 Kobe earthquake in Japan, corroded underground structures have some impacts to the results.
Item Type: | Thesis (Masters) |
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Uncontrolled Keywords: | struktur bawah tanah, simulasi numerik, struktur terkorosi, gempa intensitas besar, analisa PLAXIS 2D, underground structure, numerical simulation, corroded structure, strong earthquake,,PLAXIS 2D analysis |
Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TA Engineering (General). Civil engineering (General) > TA760+ Retaining walls |
Divisions: | Faculty of Civil Engineering and Planning > Civil Engineering > 22101-(S2) Master Thesis |
Depositing User: | Elian Davin Mulyadi |
Date Deposited: | 03 Feb 2023 17:39 |
Last Modified: | 03 Feb 2023 17:39 |
URI: | http://repository.its.ac.id/id/eprint/96188 |
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