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Pangestuti, Pramesta Armanisag
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Civil Engineering, Building, Construction & Architecture Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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Analisis Kuat Lentur Balok Beton Bertulang dengan Perkuatan Glass Fiber Reinforced Polymer (GFRP) Menggunakan Program Abaqus Patria, Agustinus Sungsang Nana; Pangestuti, Pramesta Armanisag; Sarida, Anggun Dwi; Baene, Master Almoris
Jurnal Talenta Sipil Vol 8, No 1 (2025): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v8i1.843

Abstract

Strengthening is needed to restore structural capacity such as installing GFRP. This research aims to analyze the flexural strength of reinforced concrete beams using the Abaqus 2017 finite element program, experimental and theoretical results, in the form of maximum load, maximum moment and crack patterns. The research object uses secondary data from experiments by Djamaluddin (2011) in the form of five beam variants, namely normal beams without GFRP, beams with 1 layer of GFRP along the span, beams with 1 layer of GFRP along the span plus 2 layers in the middle of the span, beams with 3 layers of GFRP along the span, and 3 layers of GFRP beams along the span plus 2 layers in the middle of the span. Researchers modeled the five beam variants in the Abaqus program and carried out theoretical calculations. Analysis of the three methods showed that the more layers of GFRP installed, the greater the maximum load and maximum moment. There are differences in the values of the three methods which are possible because the bonding (gluing) is less than perfect in installing the GFRP, and the distribution of the elements (meshing) of the model in Abaqus is less dense so that the stress distribution is less even. Apart from that, it was also seen that there was no difference in the crack pattern between the experiment and Abaqus, namely that the crack pattern in all models started from the middle of the span and then spread along the span.
Pengaruh Variasi Ukuran dan Penempatan Void Plat Lantai terhadap Perilaku dan Kekuatan Gedung Bertingkat Pangestuti, Pramesta Armanisag; Patria, Agustinus Sungsang Nana; Sholikhin, Ilham Putra
Jurnal Talenta Sipil Vol 8, No 2 (2025): Agustus
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v8i2.970

Abstract

One of the developments in the world of construction is the variety of structural system configuration types to ensure the strength, stability, efficiency, and safety of buildings. An example of a frequently encountered structural configuration variation is the presence of voids or holes in the floor slab of a building. Floor slabs that have voids affect the structural strength. This study aims to analyze the effect of variations in the size and placement of floor slab voids on the behavior and strength of multi-storey building structures. The results of the analysis are expected to be used as a reference in selecting the size and placement of floor slab voids in building planning. The building structure model analyzed is an 8-storey regular building structure with reinforced concrete materials. The height between floors is 4 meters and the total height of the building is 32 meters. The function of the building is an office located in Semarang City. The earthquake-resistant structural system used is the Special Moment Resisting Frame System (SRPMK). The floor plan size is 18x18 meters with a span between columns of 6 meters. The variations used are 6 void models with different sizes and placements. Each structural model is analyzed using ETABS software. The analysis results state that the larger the void size, the smaller the structural period, the smaller the inter-floor shear force value, and the smaller the inter-floor drift value. The recommendation for selecting the most effective size variations and void placement is in a structural model where the void is placed in the middle of the structure with the largest void size being 6x6 meters.
Co-Authors Agustinus Sungsang Nana Patria Baene, Master Almoris Sarida, Anggun Dwi Sholikhin, Ilham Putra