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Peran Pivot Hooks dalam Peningkatan Kapasitas Lentur pada Balok Beton Bertulang Bambu Ummati, Alfinna Mahya; Michael, Michael; Sarassantika, I Putu Ellsa; Fanna, Gibral Tariq; Syuhada, Syahidus; Bayzoni, Bayzoni; Nasution, Ade Prayoga
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 29, Nomor 2, DESEMBER 2023
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v29i2.48288

Abstract

Some researcher missed the role of hooks in their bamboo reinforcement. Consequently, the bamboo reinforcement and concrete used to have slip and failure to composited, this make the concrete and bamboo working independently to sustain the given loading and the bond failure become the main issue than the beam failure. This research studied about the role of the pivot hooks that capable to enhance the loading capacity higher than the beams without the pivot hooks. Experimental test performed in order to identify the effect of the pivot hooks presence which added to the flexural reinforcement which made by bamboo materials to avoid the bond slip failure that mostly occur in the bamboo reinforced concrete beams. The experimental test which verified by the numerical analysis by FEA NX commercial software proof that the pivot hooks are able to increase the loading capacity of a concrete beam 33% - 40% higher than the bamboo reinforcement without the pivot hooks. Architectural façade and budget efficiency caused the bamboo become unavoidable material in construction, by adding the structure modification such as the pivot hooks for the bamboo reinforcement, the failure can be reduced, then the entanglement of bamboo in construction become more functional.
Analisa Level Kinerja Struktur Pada Bangunan 12 Lantai Dengan Metode Pushover Zuher, M. Hasbi; Sidiq, Zairah Nabila; Nasution, Ade Prayoga; Masrilayanti, Masrilayanti; Sunaryati, Jati
Jurnal Talenta Sipil Vol 7, No 1 (2024): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v7i1.508

Abstract

There have been many earthquakes in Indonesia, especially West Sumatra. There was a fairly large earthquake, one of which was in 2009 with a magnitude of 7.6 on the Richter scale centered in Padang Pariaman, causing damage to vulnerable structures and loss of life. Therefore, evaluating the seismic vulnerability of buildings before an earthquake occurs is an important step in preventing damage to buildings and loss of life. In this study, a pushover analysis was carried out to determine the level of structural performance. The method used is a 12-storey building where both the existing building and its detailed properties are known, modeled using the Software Structural Analysis Program (SAP2000) Version 23. From the analysis results, the structure of the 12-storey building will experience the first yield point when given the 3rd pushover load, both at in the X-direction and Y-direction and the building structure will collapse when given the 10th pushover load in the X-direction and the 8th in the Y-direction. The performance level of the 12-story building structure is included in the Damage Control (DO) category level for the X-X direction, which means the transition between Immediate Occupancy (IO) and Life Safety (LS). Meanwhile, in the Y-Y direction, the structure is included in the Immediate Occupancy (IO) category level. Thus, in this case the building is still able to withstand the burden of the earthquake that occurred, the building can also be used again when it has received the earthquake load and the risk of human casualties is relatively small.
Fragility Assesment of Mid-Rise RC Building using HAZUS Method in High Seismic Zone Zuher, M. Hasbi; Nasution, Ade Prayoga; Sidiq, Zairah Nabila; Masrilayanti, Masrilayanti; Tanjung, Jafril
Jurnal Bangunan, Konstruksi & Desain Vol 1 No 2 (2023): Agustus 2023
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbkd.1.2.79-89.2023

Abstract

Earthquake is a pounding that caused by a released energy of ground motion. The earthquake in high seismic zone caused damages and loss of live. Thus, there was important to evaluate the seismic vulnerability of structure before an earthquake was occurred to prevent the damage and safe of lives. The seismic vulnerability can be described by using fragility curves. These fragility curves was developed by HAZUS method that present the probability of the structure damage due to various ground shaking or lateral displacement of the building. This paper addresses the performance based design method to consider the building capacity due to Padang ground motion. Therefore, the damage probability was calculated by using the lognormal distribution with the probabilistic parameter was acquired by HAZUS engineering building module. Then, the fragility assesment of the building was compared in transverse and longitudinal direction. The result reveals that the building is vulnerable to collapse due to Padang ground motion.