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All Journal Edu Sains: Jurnal Pendidikan Sains dan Matematika Abdimas Dewantara Jurnal Qua Teknika Wiyata Dharma: Jurnal Penelitian dan Evaluasi Pendidikan Prokons: Jurnal Teknik Sipil Jurnal Educatio FKIP UNMA Jurnal Pembelajaran Pemberdayaan Masyarakat (JP2M) Jurnal Mandala Pengabdian Masyarakat Vocational : Jurnal Inovasi Pendidikan Kejuruan Almufi Jurnal Pendidikan Jurnal Pengabdian Masyarakat : Pemberdayaan, Inovasi dan Perubahan JANITA Archive: Jurnal Pengabdian Kepada Masyarakat PELS (Procedia of Engineering and Life Science) Open Science and Technology JOSAR (Journal of Students Academic Research) Salus Publica
Lukma, Hazairin Nikmatul
Universitas Islam Balitar
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Journal : JOSAR (Journal of Students Academic Research)

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The Effect of Adding Fly ash Waste And Additive Sikacim Concrete On The Compressive Strength Of CLC Type Lightweight Bricks Lukma, Hazairin Nikmatul
JOSAR (Journal of Students Academic Research) Vol 9 No 1 (2024): March
Publisher : Universitas Islam Balitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35457/josar.v9i1.3690

Abstract

This study aims to determine the results of compressive strength testing between ordinary lightweight bricks compared to lightweight bricks with fly ash waste additives and sikacim concrete additives. The method used is the experimental method. In this study, test objects were made by adding fly ash waste and sikacim concrete additive as a mixture of lightweight brick material. Then the lightweight brick is tested for compressive strength at the age of 14 and 28 days, which is possible that the lightweight brick has reached the maximum compressive strength value. The data analysis used to determine whether or not the use of fly ash waste additives and sikacim concrete additives affects the compressive strength of lightweight bricks is regression analysis. In this study, 3 variations of test objects were made where each variation consisted of 5 test objects that had different mixture compositions, namely 0%, 25%, and 50%. The results of the comparison of the compressive strength of ordinary lightweight bricks with a mixture of fly ash waste and sikacim concrete additives for 14-day-old lightweight bricks, at 0% composition is 3.70 Mpa, and at the age of 28 days it increases to 4.43%. The compressive strength value at the age of 14 days for the 25% composition has increased to 4.38 Mpa and the 28-day old has increased compressive strength to 5.05 Mpa. While the 50% composition at the age of 14 days decreased by 16.15%, namely 3.09 Mpa, and those aged 28 days decreased by 17.60%, namely 3.65 Mpa.
Development of STEM-based Earthquake Mitigation Educational Media for High School Students' Learning Yusofa, Devis; Lukma, Hazairin Nikmatul
JOSAR (Journal of Students Academic Research) Vol 10 No 1 (2025): March
Publisher : Universitas Islam Balitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35457/josar.v10i1.4362

Abstract

Knowledge about earthquake disaster mitigation is mandatory, so the government includes this material in the education curriculum. Earthquake educational media based on science, technology, engineering, and mathematics (STEM) is considered capable of supporting learning that encourages students to be active, creative, and innovative in completing STEM-based experimental projects so that it can improve students' understanding of the material. The purpose of this study was to determine the effect of developing educational teaching media in the form of teaching aids equipped with STEM-based earthquake mitigation learning e-modules on the learning outcomes of students at SMAN 2 Blitar. The research method used in this study is research and development (R&D) with the analysis, design, development, implementation, and evaluation (ADDIE) development model. Data was collected from needs analysis, module validation, response, and student learning outcomes. The results of the T-test showed a significant difference, namely an increase in student learning outcomes, in classes that received learning with STEM-based educational media.
Co-Authors Ardhiansyah, Widha Arsyahudin, Akram Burhani, Mohamad Imam Faridha, Noor Ika Purnama Sari Kurnia Paranita Kartika Riyanti Kurnia Paranita Kartika Riyanti Lukma, Hazairin Marinda Sari Sofiyana N. Nurjanah Nurjanah Nurjanah Nurjanah Nurjanah Nurul Afidah Pambudi, Excel Wahyu Ramadani, Ahmad Rido Setiawan, Hangga Prima Suyitno Suyitno Suyitno Syahriyan, ‘Ainur Rizqi Wahid, Syamsudin Nur Yuana, Haris Yusofa, Devis