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Analisis Kuat Lentur Beton SCC Menggunakan Fiberglass Dengan Variasi Additive Sika Viscocrete Hamdan Hamdan; Adnan Adnan; Abd. Muis B
Venus: Jurnal Publikasi Rumpun Ilmu TeknikĀ  Vol. 2 No. 1 (2024): Februari : Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/venus.v2i1.206

Abstract

Self Compacting Concrete (SCC) is an innovative concrete that can compact itself (without vibrators) and flow under its own weight to saturate the shape without segregation. The SCC material is not much different from ordinary concrete, namely coarse aggregate, fine aggregate, cement, water, only SCC has additional ingredients such as superplasticizer. This research uses quantitative methods. The aim of this research is to determine the workability, compressive strength, flexural strength of SCC concrete with the addition of 2% fiberglass to each sample with added material in the form of sika visconcrete with variations of 0%, 1%, 1.5%, and 2%, % of the cement weight. Slump flow testing was carried out which was obtained from several variations of SV `0%, 1%, 1.5%, 2%, the slump flow values were obtained for 80 mm fiber concrete and 550 mm, 575 mm, 600 mm SCC concrete with the time taken to reach 500 mm of 4.25 seconds, 3.57 seconds and 2.11 for SCC concrete. The compressive strength value of the cylinder size (15 x 30) in samples BFS0, BFS1, BFS2BFS3 aged 28 days obtained a compressive strength of 30.29 Mpa, 34.44 Mpa, 31.23 Mpa, while the flexural strength test of the beam was 15 x 15 x 60 d samples BFS0, BFS1, BFS2BFS3 obtained results of 3.11 Mpa, 4.35 Mpa, 3.64 Mpa and 3.29 Mpa, excessive use of visconcrete in the concrete mixture can reduce the strength of the samples.
Evaluasi Kinerja Struktur Gedung Bertingkat di Parepare Menggunakan Metode Analisis Time History Arisandi, Yusril; Mustakim; Abd. Muis B
Jurnal Konstruksi Vol 23 No 2 (2025): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.23-2.2745

Abstract

The island of Sulawesi is classified as seismically active in Indonesia, requiring buildings to be constructed in such a way that they do not collapse during an earthquake. One cause of building damage is the inability to withstand the dissipation of structural elements due to an earthquake. Evaluating structural performance is an effective way of mitigating the impact of earthquakes. This study evaluates the B.J. Habibie Institute of Technology Laboratory building in Parepare using linear dynamic time history analysis with ETABS. The analysis results show excessive lateral displacement in the X direction of the building due to the Eketahuna, Duzce, and Miyagioki earthquakes, while in the Y direction of the building, the displacement occurred during the Duzce earthquake, exceeding the national standard limit of 82.80 mm. The maximum deflection ratio from the Duzce earthquake with a magnitude of 7.14 resulted in an inter-story deflection ratio of 0.035 mm, which is still safe because it is below the limit of 13.50 mm according to seismic design provisions. The structural performance of the six recorded ground motion earthquake loads, as per ATC-40, is at the Immediate Occupancy (IO) level, indicating that the structure remains stable and can be immediately reoccupied after the earthquake.