Kristin, Natalia Vin (2017) Pengaruh Gempa Terhadap Perilaku Jembatan Cable Stayed Tengku Fisabililah Riau dengan Time History Analysis. Sarjana thesis, Universitas Brawijaya.
Abstract
Jembatan merupakan suatu struktur yang berfungsi sebagai penghubung dua bagian jalan yang terputus akibat adanya rintangan seperti sungai, lembah, danau, dan laut. Salah satu tipe jembatan yang banyak diterapkan adalah tipe jembatan cable stayed. Jembatan Tengku Fisabililah Riau merupakan jembatan cable stayed di Indonesia. Indonesia termasuk negara yang rawan mengalami gempa bumi. Terjadinya gempa bumi sedikit banyak memberikan pengaruh terhadap struktur jembatan. Perubahan perilaku ini dapat dianalisis menggunakan time history analysis. Tahap pertama dimulai dengan melakukan pemodelan pada struktur jembatan. Namun spesifikasi dimensi dan material struktur jembatan merupakan desain yang peneliti tentukan sendiri. Setelah pemodelan struktur jembatan selesai, dimasukan data time history yang terjadi. Data ini diambil dari gempa bumi Hyogo-Ken Nanbu di Jepang. Kemudian dilakukan analisis terhadap struktur jembatan akibat gempa berupa mode shapes, displacement, dan tegangan yang terjadi. Hasil analisis menunjukan dari banyak mode shapes yang dihasilkan, bentuk mode shapes terbesar terlihat pada arah sumbu Y jembatan. Untuk displacemet, displacement terbesar terjadi pada arah sumbu Z. Besar lendutan yang terjadi akibat gempa lebih besar dari lendutan maksimum jembatan yang diijinkan. Sedangkan tegangan maksimal terjadi pada kabel. Besar gaya pada kabel akibat gempa lebih besar dari gaya maksimal yang mampu ditahan penampang.
English Abstract
The bridge is a structure that serves as a road connecting two roads that were cut off by obstacles such as rivers, valleys, lakes and the sea. One type of bridge that are widely applied are cable stayed bridge. Tengku Fisabilillah Riau Bridge is a cable stayed bridge that located in Indonesia. Indonesia is among one of the countries that are prone to earthquakes. Effects of earthquake can change the structure of the bridge. These effects can be analyzed using time history analysis. The first step begins with the modeling of bridge structures. But the dimensions and material specifications of the bridge’s structure has been determined by researcher. After modeling the structure of the bridge is completed, input the data of the time history. This data is taken from the earthquake of Hyogo-Ken Nanbu in Japan. Next, the changes of the structure of the bridge caused by the earthquake such as mode shapes, displacement, and stress that occur will be analyzed. Results of the analysis showed that there were many mode shapes generated, the largest mode shapes is on the Y-axis at the direction of the bridge. For displacement, the maximum displacement occurs direction in Z-axis. The deflection that caused by the earthquake is largest than the allowable maximum deflection of the bridge. While, the maximum stress occurs on the cable. The force which is caused by the earthquake is largest than the allowable maximum force owned section.
| Item Type: | Thesis (Sarjana) |
|---|---|
| Identification Number: | SKR/FT/2017/419/051704902 |
| Uncontrolled Keywords: | jembatan, jembatan cable stayed, mode shapes, displacement, tegangan, time history analysis |
| Subjects: | 600 Technology (Applied sciences) > 624 Civil engineering > 624.2 Bridges |
| Divisions: | Fakultas Teknik > Teknik Sipil |
| Depositing User: | Budi Wahyono Wahyono |
| Date Deposited: | 31 Aug 2017 07:12 |
| Last Modified: | 28 Sep 2020 12:00 |
| URI: | http://repository.ub.ac.id/id/eprint/1963 |
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