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All Journal RACIC : Rab Construction Research Jurnal Pengabdian Masyarakat Multidisiplin
Fas'ul Akbar
Universitas Muhammadiyah Bangka Belitung
Aerospace Engineering Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Environmental Science Immunology & microbiology Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Public Health Social Sciences Other

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KAJIAN KINERJA BETON RAMAH LINGKUNGAN DENGAN PEMANFAATAN SERBUK CANGKANG TELUR SEBAGAI PENGGANTI SEBAGIAN SEMEN Fas'ul Akbar; Irene Tresna Wiati; Farah Mawaddah
Racic : Rab Construction Research Vol. 11 No. 1 (2026): JUNI
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v11i1.8188

Abstract

This study aims to analyze the effect of using Eggshell Powder (ESP) as a partial cement replacement on the fresh properties and compressive strength of mortar. The mixtures consisted of a control mortar (S100), mortar with 10% ESP replacement (S90C10), and mortar with 20% ESP replacement (S80C20). The tests conducted included material characterization using X-Ray Diffraction (XRD) and X-Ray Fluorescence (XRF), Flow Table Test, Vicat Needle Test, and compressive strength tests at curing ages of 3, 7, and 28 days. The XRD and XRF results indicated that eggshell powder was predominantly composed of calcium carbonate (CaCO₃) in the form of calcite. The Flow Table Test results showed that the addition of ESP reduced the flowability of the mortar. The Vicat Needle Test demonstrated that increasing ESP content prolonged both the initial and final setting times. In terms of compressive strength, the S90C10 mixture achieved the highest value at 28 days, reaching 36.80 MPa, which was higher than the control mortar at 34.40 MPa. The results indicate that a 10% ESP replacement level is the optimum proportion, as it enhances mortar compressive strength despite reducing workability and increasing setting time
PELATIHAN GERAK DASAR BERBASIS PERMAINAN TRADISIONAL UNTUK MENDUKUNG AKTIVITAS FISIK DAN KEBUGARAN SISWA SD Fas'ul Akbar
Jurnal Pengabdian Masyarakat Multidisiplin Vol 10 No 1 (2026): Oktober
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/jpm.v10i1.8653

Abstract

The narrow variety of physical activities at SD Negeri 6 Tempilang promotes the implementation of a traditional-based training program. This program mainly aims to improve indicators of coordination, balance, agility, and active engagement of higher-level elementary school students. This training used a participatory approach through the practice of the traditional game gobak sodor. The participants consisted of 20 sixth-grade students. Data collection employed pre-test and post-test of basic movements, activity observation with the SOFIT (Systematic Observation of Fitness Instruction Time) format, fitness tests, and questionnaires. Analysis was conducted descriptively quantitatively. The average score of basic movement skills increased from 59.00 (± 4.12 SD) to 77.10 (±3.85 SD). The actual activity time of the students (the time when students were actively moving on the field as counted by the observer) reached 67 minutes out of 90 minutes (74.44%), with 18 out of 20 students (90%) fully participating in each session. Fitness performance showed short-term improvements: the 30-meter sprint improved from 6.42 to 5.91 seconds, the shuttle run decreased from 13.18 to 12.31 seconds, and the standing broad jump increased from 128.5 to 141.2 cm. This training resulted in improvements in motor performance and fitness immediately after the treatment.
Co-Authors Farah Mawaddah Irene Tresna Wiati