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All Journal Jurnal Pengabdian Masyarakat Bidang Sains dan Teknologi Jurnal Riset Rumpun Matematika dan Ilmu Pengetahuan Alam (JURRIMIPA)
Iryan Dwi Handayani
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Electrical & Electronics Engineering Engineering Health Professions Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Public Health Transportation Veterinary

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Analisis Percepatan Gravitasi pada Ayunan Sederhana dengan Memanfaatkan PhET (Physics Education Technology) Diah Aryati Puji Lestari; Andi Nurcahyo; Iryan Dwi Handayani
JURNAL RISET RUMPUN MATEMATIKA DAN ILMU PENGETAHUAN ALAM Vol. 3 No. 2 (2024): Oktober : Jurnal Riset Rumpun Matematika dan Ilmu Pengetahuan Alam
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurrimipa.v3i2.4598

Abstract

Physics is a part of natural science that has the properties of processes, products and values. Most of the concepts of physics are formulas, but they can be tested through experiments. Along with technological developments in experiments often used technology-based aids, for example the use of PhET (Physics Education Technology) applications to determine gravitational acceleration through simple swivel arrangements. The simple rotation experiment was performed by giving variations in rope lengths of 50 cm, 60 cm, 70 cm, 80 cm, 90 cm, and 100 cm for each of the different bulk masses of 0.5 kg and 1 kg. The study aims to determine the value of gravitational acceleration in simple rotations using PhET applications. (Physics Education Technology). Research data is displayed in tables and graphs. The data analysis uses a linear regression equation between the length of the string (L) and the square of the period (T2). Large gravitational acceleration is obtained through the gradient of the linear equation of the longness of the rope (L). The magnitude of gravitational acceleration obtained for a 0.5 kg body mass was 9.50 m/s2, for a 1 kg body weight was 9.67 m /s2, and the average perception of gravity was 9.58 m / s2.
Pengabdian kepada Masyarakat melalui Optimalisasi Detail Engineering Design (DED) Struktur Masjid Berbasis Standar Konstruksi Nasional Nur Fithriani Fatma Cholida; Thalita Zhafira; Iryan Dwi Handayani; Trias Widorini
ABDIKAN: Jurnal Pengabdian Masyarakat Bidang Sains dan Teknologi Vol. 4 No. 3 (2025): Agustus 2025
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/abdikan.v4i3.6118

Abstract

The mosque is the center of religious and social activities of the community. Its construction requires careful technical planning. This will ensure that the building is safe, efficient, and in accordance with Standar Nasional Indonesia (SNI). The purpose of this community service activity is to provide technical assistance during the process of preparing the Detail Engineering Design (DED) of the Assafi Qolbu Mosque building located in Mranggen District, Demak Regency. Using an expert-driven design approach, the assistance was carried out by a team of Civil Engineering lecturers at Semarang University. Site surveys, needs analysis, technical working drawings, and selection of structural materials according to standards were all work carried out. The activity resulted in a one-story building structure technical document (DED) that included the planning of strip and footplate foundations, sloofs, columns, beams, floor slabs, and light reinforced roof structures. A well-designed DED ensures that the durability of the building is guaranteed to meet the aspects of structural safety and material efficiency. This activity not only creates design documents, but also increases partners' understanding of the importance of involving experts in the construction of mosques, especially their structures. It is expected that this assistance will serve as an implementative model for the construction of worship facilities based on Indonesian National Standards.
Peningkatan K3 dan Produktivitas Pekerja Konstruksi pada Proyek Rumah Kos Talitha Hafira; Nur Fithriani Fatma Cholida; Iryan Dwi Handayani; Widya Ayu Prawesthi
ABDIKAN: Jurnal Pengabdian Masyarakat Bidang Sains dan Teknologi Vol. 5 No. 1 (2026): Februari 2026
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/abdikan.v5i1.7158

Abstract

This community service activity was motivated by the low awareness of construction workers towards K3 in a small-scale boarding house construction project in Wanamukti, Tembalang, Semarang, where the construction sector contributes >30% of national work accidents due to minimal use of PPE and supervision. The problem formulation includes low knowledge ofK3, non-compliance with PPE, and the absence of simple SOPs that lead to high risks and low productivity. The program's objective is to improve understanding, skills, and a safe work culture through training and mentoring. The research method consisted of an initial survey, a pretest with 15 workers, applied K3 training with PPE demonstrations and safety talks, field mentoring, and a posttest using the N Gain formula. The results showed an increase in posttest scores from the range of 30–60 to 70–95 (100% of participants increased), with an average N Gain of 56.78% (moderate category); workers began to get used to wearing helmets, safety shoes, and gloves, and a decrease in unsafe acts. The conclusion is that the training is effective in improving safety and productivity. Suggestions for future service include continuing regular training, developing K3 SOPs, and expanding to similar projects in several other cities.
Co-Authors Andi Nurcahyo Diah Aryati Puji Lestari Nur Fithriani Fatma Cholida Talitha Hafira Thalita Zhafira Trias Widorini Widya Ayu Prawesthi