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All Journal Jurnal Teknik Sipil dan Perencanaan Potensi : Jurnal Sipil Politeknik SCIENCE TECH: Jurnal Ilmiah Ilmu Pengetahuan dan Teknologi Jurdimas (Jurnal Pengabdian Kepada Masyarakat) Royal Publikasi Riset Orientasi Teknik Sipil (Proteksi) Jurnal Teknik Sipil
Arusmalem Ginting
Universitas Janabadra
Agriculture, Biological Sciences & Forestry Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering Materials Science & Nanotechnology Social Sciences Transportation

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Program Edukasi Lingkungan Melalui Pemanfaatan Limbah Air Untuk Budidaya Ikan di SMP 2 Cangkringan Prasetya Adi; Arusmalem Ginting
Jurdimas (Jurnal Pengabdian Kepada Masyarakat) Royal Vol. 9 No. 1 (2026): Januari 2026
Publisher : STMIK Royal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33330/jurdimas.v9i1.4224

Abstract

Abstract: This community service program aims to raise environmental awareness and food security by utilizing ablution wastewater as a medium for catfish cultivation at Cangkringan 2 State Junior High School. This activity was motivated by the volume of ablution water wasted daily in the school environment, which is actually still suitable for non-consumption purposes. Through an educational and practical approach, this program teaches students the concept of water recycling, simple technology, and basic catfish cultivation skills. Implementation methods include counseling, training, technical assistance, and evaluation of cultivation results. In addition to providing new knowledge, this activity also fosters environmental awareness and food independ-ence among students. Initial results show an increase in students' understanding of water conservation and their ability to manage a sustainable fish cultivation system. This program is expected to become a model for environmentally-based contextual learning while contributing to the development of sustainable education and strengthening food security at the school level. Keywords: catfish; education; environment Abstrak: Program pengabdian masyarakat ini bertujuan untuk meningkatkan kesadaran lingkungan dan ketahanan pangan melalui pemanfaatan limbah air wudu sebagai me-dia budidaya ikan lele di SMP Negeri 2 Cangkringan. Kegiatan ini dilatarbelakangi oleh volume air wudu yang terbuang setiap hari di lingkungan sekolah, yang sebenarnya masih layak digunakan untuk kebutuhan nonkonsumsi. Melalui pendekatan edukatif dan praktis, program ini mengajarkan siswa konsep daur ulang air, teknologi sederhana, serta keterampilan dasar budidaya ikan lele. Metode pelaksanaan meliputi penyuluhan, pelatihan, pendampingan teknis, dan evaluasi hasil budidaya. Selain memberikan pengetahuan baru, kegiatan ini juga menumbuhkan karakter peduli lingkungan dan kemandirian pangan di kalangan siswa. Hasil awal menunjukkan peningkatan pemahaman siswa terhadap konservasi air dan kemampuan mereka dalam mengelola sistem budidaya ikan secara berkelanjutan. Program ini diharapkan menjadi model pembelajaran kontekstual berbasis lingkungan sekaligus berkontribusi terhadap pembangunan pendidikan berkelanjutan dan penguatan ketahanan pangan di tingkat sekolah. Kata kunci: edukasi;ikan lele;lingkungan
Comparison of the Utilization of Fly Ash with Calcium Carbonate as Supplementary Cementitious Materials: Perbandingan Penggunaan Fly Ash Dengan Kalsium Karbonat Sebagai Bahan Tambah Semen Ginting, Arusmalem; Bing Santosa; Imam Syarif Hidayatulloh; Resqi Prananda
PUBLIKASI RISET ORIENTASI TEKNIK SIPIL (PROTEKSI) Vol 7 No 2 (2025): Vol.7 No 2 (2025)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/proteksi.v7n2.p119-124

Abstract

Commonly used supplementary cementitious materials include fly ash and calcium carbonate. Based on this, necessary to study the comparison of the use fly ash with calcium carbonate as supplementary cementitious materials. The addition of cement with fly ash and calcium carbonate is 5%, 10%, 15% and 20% of the weight of the cement. Each variation consists of 2 concrete cylinder specimens, and a total of 18 specimens. The tests carried out were slump value and compressive strength tests. The results of the study showed that the fly ash used is classified as class C pozzolan, while calcium carbonate is not included in pozzolan. The addition of cement with fly ash and also calcium carbonate 5% to 20% increases the slump value. The addition of cement with fly ash produces a lower slump value than the addition of 10% to 20% calcium carbonate, and higher at 5%. The compressive strength of concrete with the addition of cement with fly ash is higher and calcium carbonate is lower compared to normal concrete up to an addition of 20%.. The compressive strength of concrete with the addition of cement with fly ash is higher than the addition of calcium carbonate up to 20%.
Perbaikan Laju Peningkatan Kuat Tekan Beton dengan Air IPAL Industri Beton Siap Pakai Menggunakan Accelerator Adi, Prasetya; Ginting, Arusmalem; Widiastuti, Elin; Listyowati, Dewi
Science Tech: Jurnal Ilmu Pengetahuan dan Teknologi Vol 12 No 1 (2026): February
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/st.vol12.no1.a21601

Abstract

The concrete industry is one of the industries that uses large volumes of water. Water is used for the cement reaction process and for cleaning equipment. Wastewater treatment plants (WWTPs) are used to restore water quality before being released into the environment. This study was conducted to determine the suitability of treated wastewater for reuse in concrete production. Using WWTP water as a cement reagent is important for conserving groundwater and supporting the sustainability of the ready-mix concrete industry. Previous research has shown that the disadvantage of using treated wastewater in ready-mix concrete is low initial compressive strength. A practical way to increase initial compressive strength is to use an accelerator. Research is needed to increase initial compressive strength for several concrete grades. The use of water as a cement reagent requires certain quality standards, and the higher the planned concrete quality, the better the water quality required, approaching or equivalent to potable water. The study was conducted on two concrete grades to determine the effect of using wastewater treatment for ready-mix concrete on the properties of the resulting concrete. The concrete's compressive strength was tested using a standard test, using a cylinder with a diameter of 150 mm and a height of 300 mm, and workability was tested using an Abrahms cone. Previous research has shown that the use of treated wastewater affects the speed of the concrete hardening process. Therefore, in this study, an accelerator, an additive, was used to accelerate the cement reaction. The results of the study showed that the accelerator added material increased the quality of 20 MPa concrete by 114.452%, 112.091%, 105.671%, and 103.351% compared to concrete with normal water and increased the quality of 25 MPa concrete by 103.909%, 103.442%, 105.940%, and 108.756% compared to concrete with normal water. The rate of increase in the compressive strength of concrete with wastewater without accelerator and using accelerator can meet the requirements.
Co-Authors Adi, Prasetya Bing Santosa Bing Santosa Eliada Obed Manasye Herman Herman Imam Syarif Hidayatulloh Listyowati, Dewi Mekitizon Kambu Mudji Suhardiman Pradikta, Damar Hendra Prasetya Adi Prasetya Adi Prasetya Adi Resqi Prananda Suyono Widiastuti, Elin Yundari, Yundari