Widjaja, Vicky (2010) Analisis kapasitas struktur berdasarkan hasil simulasi uji vibrasi.= Analysis of structural capacity based on vibration test simulation result. Bachelor thesis, Universitas Pelita Harapan.
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Abstract
Perkembangan di dunia teknik sipil menuntut persyaratan keamanan dan kenyamanan yang semakin lama semakin tinggi. Untuk menghindari terjadinya kegagalan bangunan, diperlukan pemeriksaan kapasitas struktur terhadap bagunan yang sedang dibangun atau yang sudah ada pada masa layannya.
Analisis kapasitas struktur dapat dilakukan dengan uji vibrasi yang termasuk dalam Non Destructive Testing (NDT). Data uji vibrasi yang didapat ditransformasikan melalui Fast Fourier Transform (FFT) sehingga data tersebut berubah menjadi rancah ferkuensi. Dari data transformasi ini, kita dapat mengetahui frekuensi alami struktur. Dari diketahuinya frekuensi alami, maka kita dapat menemukan kapasitas struktur. Untuk menunjukkan keefektifan analisis data vibrasi berdasarkan FFT, kami melakukan simulasi uji vibrasi dua model analisis dari jembatan kolom tunggal. Model analisis tersebut yaitu sistem berderajat kebebasan tunggal dan sistem berderajat kebebasan dua, dengan hasilnya adalah perbedaan nilai data keluaran pada dua model analisis ini adalah kurang dari 4%, maka untuk kasus dalam tugas akhir ini, analisis menggunakan sistem berderajat kebebasan tunggal sudah cukup untuk digunakan sebagai asumsi model analisis./ Development in the world of civil engineering demands safety and comfort requirements higher and higher. To avoid building failure, structural capacity inspection is needed for building being built or existing building at service time.
Analysis of structural capacity can be done by vibration test which included in Non Destructive Testing (NDT). The obtained vibration test data are transformed via Fast Fourier Transform (FFT) so that data are transformed into frequency domain. From this transformation data, we can obtain natural frequency. Therefore from the knowledge of natural frequency, we can find structural capacity.
To demonstrate the effectiveness of vibration data analysis based on FFT, we did simulation vibration analysis of two analytical models of single column bridge. The analytical models are single degree of freedom and two degree of freedom, with the result is the difference of the value of output data in this two analytical models is less than 4%, so for case in this theses, analysis with single degree of freedom is enough to be an analytical model.
Item Type: | Thesis (Bachelor) |
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Creators: | Creators NIM Email ORCID Widjaja, Vicky NIM02120060010 UNSPECIFIED UNSPECIFIED |
Contributors: | Contribution Contributors NIDN/NIDK Email Thesis advisor Widjajakusuma, Jack NIDN0327086805, jack.widjajakusuma@uph.edu |
Additional Information: | SK 21-06 WID a = T 72398 |
Uncontrolled Keywords: | uji vibrasi; Fast Fourier Transform; frekuensi alami; kapasitas struktur; vibration test; Fast Fourier Transform; natural frequency; structural capacity. |
Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
Divisions: | University Subject > Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Civil Engineering Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Civil Engineering |
Depositing User: | Mrs Veronica Fitri Astuti |
Date Deposited: | 14 May 2021 10:31 |
Last Modified: | 24 Jul 2024 07:43 |
URI: | http://repository.uph.edu/id/eprint/25041 |