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All Journal Jurnal Teknik Sipil Jurnal Rekayasa PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Jurnal Sosial dan Teknologi International Journal of Research in Vocational Studies (IJRVOCAS) Retensi Indonesian Journal of Environment and Sustainability Issues
Randy Setiawan, Randy
Program Studi Teknik Sipil Universitas Teknokrat Indonesia
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Transportation Other

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Perilaku Kuat Tekan Beton Konvensional dengan Penambahan Fiber Reinforced Polymer Setiawan, Randy; Safaril, Darmawi; Khaswara, Joelliestian Geri
Jurnal Sosial Teknologi Vol. 5 No. 3 (2025): Jurnal Sosial dan Teknologi
Publisher : CV. Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/jurnalsostech.v5i3.32015

Abstract

Dalam pembangunan infrastruktur di Indonesia, banyak terjadi kerusakan pada struktur bangunan yang disebabkan oleh berbagai faktor. Untuk mengatasi masalah ini, penelitian ini bertujuan untuk menganalisis perilaku kuat tekan beton konvensional dengan penambahan Fiber Reinforced Polymer (FRP), serta pengaruh media perendaman air gambut dan air PDAM. Metode penelitian yang digunakan adalah eksperimen, di mana beton silinder dengan diameter 15 cm dan tinggi 30 cm direndam dalam kedua media tersebut dengan variasi jumlah lapisan FRP (0, 1, 2, dan 3 lapis) yang direkatkan menggunakan cat tembok No Drop. Penemuan menunjukkan bahwa penambahan lapisan FRP meningkatkan kuat tekan beton, dengan nilai tertinggi pada beton 3 lapis yang direndam dalam air PDAM selama 7 hari (31,938 MPa) dan beton tanpa lapisan FRP pada air gambut selama 21 hari (32,580 MPa). Implikasi penelitian ini mengindikasikan bahwa penggunaan FRP sebagai perkuatan pada beton konvensional efektif dalam meningkatkan daya tahan dan kekuatan beton, serta pentingnya pemilihan media perendaman dalam menentukan performa beton. Temuan ini dapat menjadi referensi bagi praktisi dan peneliti dalam merancang struktur beton yang lebih kuat dan tahan lama.
The Use of Expanded Polystyrene (EPS) Waste on the Compressive Strength of Concrete Using Fiber Reinforced Polymer (FRP) Rasendriya, Shafa; Effendi, Rizki; Setiawan, Randy; Purnama, Ikhwan Arief
International Journal of Research in Vocational Studies (IJRVOCAS) Vol. 5 No. 4 (2026): IJRVOCAS - Special Issues - Hybrid International Conference on Construction, Ma
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijrvocas.v5i4.263

Abstract

The increase in restaurants and online food ordering can increase waste or waste made from Expanded Polystyrene (EPS).  Expanded Polystyrene (EPS) can be used as an additive to concrete because it has properties that are difficult to decompose naturally. Along with the development of the times, many innovations have sprung up in the world of construction to increase the strength of structures. The reinforcement of concrete is done by providing alternative materials that are quite popular, namely Fiber Reinforced Polymer (FRP). This study was conducted to determine the physical properties, mechanical properties of concrete, and the percentage of the use of the most optimum additives that will be applied to the foundation structure using additional materials in the form of Expanded Polystyrene (EPS) with variations of 0%, 1%, 1.5%, 2%, and 2.5% and a layer of Fiber Reinforced Polymer (FRP) as much as 1 layer which will be tested compressively, by looking at the effect of two types of water for curing, namely peat water and normal water with a planned concrete quality of 21.7 MPa using a cylindrical concrete mold 15 cm in diameter and 30 cm high. Concrete compressive strength tests were conducted at 7 days and 28 days of concrete age. Based on the test results, there is an increase in the highest water absorption of concrete, namely in the 28-day normal water immersion variation of 2% EPS + FRP by 4.05% The addition of Expanded Polystyrene (EPS) and Fiber Reinforced Polymer (FRP) in concrete can increase the highest concrete compressive strength, namely in the 7-day NORMAL water immersion variation 1.5% EPS + FRP by 27.54 MPa. While the highest concrete strength value in peat water immersion for 7 days of normal variation is 27.10 MPa.
The Effect of Variations of Mussels and Egg Shells on SCC (Self-Compacting Concrete) Damara, Yusril; Fahrudin, Muhammad; Haryani, Susi; Setiawan, Randy
International Journal of Research in Vocational Studies (IJRVOCAS) Vol. 5 No. 4 (2026): IJRVOCAS - Special Issues - Hybrid International Conference on Construction, Ma
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijrvocas.v5i4.482

Abstract

Self-Compacting Concrete (SCC) could flow and fill molds without compaction (vibrator). use of cement in concrete mixes is crucial, resulting in increasing construction projects. Therefore, ideas or innovations are needed to reduce cement use by utilizing shellfish and eggshells as cement substitutes. This study used a quantitative method taken through experiments aimed at observing the effect of adding shells and eggshells as cement substitutes in Self-Compacting Concrete (SCC) concrete, with variations in eggshell substitution of 0%, 1.5%, 2.5%, 3.5%, and 4.5%, as well as a shell substitution of 5%, with a concrete compressive strength of 21 MPa, made of cylinders with a diameter of 15 cm and a height of 30 cm, testing fresh concrete using the slump flow method and concrete compressive strength testing was carried out at the ages of 3 days, 7 days, and 28 days. The compressive strength test results for the 28-day immersion in PDAM water yielded a maximum concrete compressive strength of 39.71 MPa at the 1.5% variation, and a minimum compressive strength of 31.22 MPa. The 7-day immersion in PDAM water yielded a maximum compressive strength of 26.35 MPa at the 1.5% variation, and a minimum compressive strength of 21.76 MPa at the 4.5% variation. Furthermore, for the 3-day immersion, the highest compressive strength at the 1.5% variation, with a compressive strength of 27.50 MPa, and the minimum achieved at the 4.5% variation, with a compressive strength of 24.07 MPa.
Co-Authors Ahmad Muhtadi Ahmad Zakaria Asmadi asmadi Damara, Yusril Diva, Priska Aura Effendi, Rizki Eva Ryanti Fahrudin, Muhammad Fera Lestari Haffiyan, Qalby Hafiyyan, Qalbi Haryani, Susi Helyanto, Helyanto Hillary, Janne idiris, nurianda ikhwan Arief Purnama Irene anggraini Khaswara, Joelliestian Geri Nur Arifaini Perangin Angin, Imanuel Kemenangenta Pratiwi, Dian Purnama, Ihkwan Arief Rabihati, Etty Rasendriya, Shafa Reski, Indah Anjar Riyanti, Rika Rizal Rizal rizky Adhitya Rosanti, Indah Safaril, Darmawi Sarpawi, Sarpawi Sasongko, Hartanto Wahyu Syahrani, Deny Viktorgus