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All Journal Jurnal Rekayasa Sipil dan Desain Jurnal Jalan Jembatan
Dwiyanto, Efri
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Civil Engineering, Building, Construction & Architecture

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EVALUASI KINERJA JEMBATAN INTERCHANGE BETON DENGAN ANALISIS RIWAYAT WAKTU TIDAK LINEAR Dendi Nosya, Akhmad; Sutrisno, Adi; Farid, Mifta; Ilyas Pratama, Nuriana; Dwiyanto, Efri; Azmi, Nazril
Jurnal Jalan Jembatan Vol 41 No 2 (2024)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58499/jatan.v41i2.1305

Abstract

One of the elements in the bridge structure is prestressed concrete. Bridge performance evaluation is needed to determine the repair method for the element if there is a potential for construction failure. This study aims to design a prestressed concrete bridge using midas Civil software. The bridge structure is modelled along with the working loads, which include Dead Load (DL), Super Impose Dead Load (SIDL), and earthquake loads based on SNI 1725:2016 and SNI 2833:2016. This study uses a non-linear time history analysis method (non-linear time history analysis), and design parameters are taken from the NCHRP 44 and 949 references. Midas Civi software is used for the analysis. Design parameters include concrete material strain, steel reinforcement, and drift on lateral retaining elements (bridge pillars) composed of reinforced concrete material. The Terbanggi Besar Interchange Bridge (IC) STA. 139+925 on the Bakauheni – Terbanggi Besar Toll Road in Lampung Province is used as the focus of the study. This study identifies the limits of bridge structural damage during the post-earthquake to determine the performance of the bridge structure. Seven pairs of ground motions were installed, representing the conditions at the bridge site. The results of this study indicate that the performance level of the Terbanggi Besar IC Bridge Structure is at the whole operational performance level. This level describes the condition after receiving the earthquake load. The bridge condition can operate optimally, and the structure is still elastic. This study suggests using similar methods on other bridges to hinder bridge performance and anticipate building failure.
Analisis Dinamik Struktur Bangunan Gedung Yang Menggunakan Sistem Seismic Isolation Lead Rubber Bearing Dwiyanto, Efri; Bayzoni, Bayzoni; Purwanto, Eddy
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 5 No. 4 (2017): Edisi Desember 2017
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v5i4.780

Abstract

ndonesia is an archipelagic country that passes seismic path, so that earthquakes often occur. Earth vibrations caused by an earthquake, can vibrate the structure on it and cause deformation that can damage the structural building. One effort to reduce the damage is by using seismic isolation system. This system will separate the structure of the horizontal components of ground movement by inserting the base isolator. This study was conducted to examine the effect of using base isolator (lead rubber bearing) when compared with the building without using base isolator on the medium soil and soft soil. Interstory drift is calculated using the response spectrum method by manual and Software SAP2000. Results of the analysis showed that the use of base isolator increase the natural period of the structure so that it can decrease the interstory drift in the building. The maximum interstory drift at fix base and base isolation is 4,3335 mm and 0,5741 mm on medium soil, 6,8606 mm and 0,9139 mm in soft soil, respectively. The reduction of interstory drift in both soil type reached 91%. Keywords: Interstory drift, seismic isolation, lead rubber bearing, response spectrum, SAP2000.
Co-Authors Adi Sutrisno Azmi, Nazril Bayzoni Bayzoni, Bayzoni Dendi Nosya, Akhmad Eddy Purwanto Farid, Mifta Ilyas Pratama, Nuriana