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All Journal BAKIRA: Jurnal Pengabdian Kepada Masyarakat Jurnal Ragam Pengabdian
Wahyu Setiyadi
STMIK Amikom Yogyakarta
Agriculture, Biological Sciences & Forestry Environmental Science Social Sciences Other

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PENDAMPINGAN KELOMPOK WANITA TANI DALAM PEMANFAATAN SAMPAH ORGANIK RUMAH TANGGA MENJADI EKOENZIM DI DESA KAPUR, KABUPATEN KUBU RAYA, KALIMANTAN BARAT Adwiyani, Pustika; Herwitarahman, Alifiya; Ningsih, Sulistia; Muliandari, Nadya; Annisa, Baaqy Amri; Ramadhani, Amelia Arum; Sitorus, Dermawati; Kusuma, Eka Widiawati Wijaya; Mahmudi, Mahmudi; Safriadi, Safriadi; Setiyadi, Wahyu; Gunadi, Gunadi
BAKIRA: Jurnal Pengabdian Kepada Masyarakat Vol 6 No 1 (2025): BAKIRA : Jurnal Pengabdian Kepada Masyarakat
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LP2M) Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/bakira.2025.6.1.41-51

Abstract

Organic waste contributed for 54.4% of the total volume of household waste. Household waste management and decomposition of organic waste that is not managed properly can cause environmental pollution. The management of organic waste into ecoenzymes is one of the efforts that can be made in overcoming household organic waste. The purpose of this activity is to increase partners' knowledge and skills in managing household organic waste as ecoenzymes. This community service activity was carried out in Kapur Village, Kubu Raya Regency, West Kalimantan, in January 2025. The materials used consisted of household organic waste, water, and brown sugar. This community service activity began with a basic knowledge test in the form of a pre-test, followed by presentations, demonstrations, and evaluations in the form of a post-test. The results showed a significant increase in the post-test results on all indicators assessed, compared to the pre-test results. So it can be concluded that there was an increase in participants' understanding and skills from 47.17% before training to 96.17% after training.
Evaluasi Penambahan Superplasticizer Sikament-LN Terhadap Kuat Lentur Beton  Untuk Perkerasan Kaku Setiyadi, Wahyu; Sugiyanto, Martinus Agus
Jurnal Ragam Pengabdian Vol. 3 No. 2 (2026): Mei-Agustus, Sustainable Development Goals (SDGs): Multidisciplinary Perspectiv
Publisher : Lembaga Teewan Journal Solutions

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62710/v4pjqt54

Abstract

Beton perkerasan kaku memerlukan kuat lentur yang memadai untuk menahan beban lalu lintas berulang. Penggunaan superplasticizer merupakan salah satu upaya meningkatkan kinerja beton melalui pengurangan kebutuhan air tanpa menurunkan kemudahan pengerjaan (workability). Penelitian ini bertujuan menganalisis pengaruh superplasticizer Sikament LN terhadap kebutuhan air, faktor air semen (FAS), berat volume, dan kuat lentur beton. Metode yang digunakan adalah eksperimen laboratorium dengan variasi Sikament LN sebesar 0%; 0,75%; 1,00%; dan 1,25% dari berat semen. Hasil penelitian menunjukkan bahwa penggunaan Sikament LN mampu menurunkan kebutuhan air hingga 17,54% sehingga FAS berkurang dari 0,416 menjadi 0,343, yang diikuti peningkatan berat volume. Nilai kuat lentur beton umur 28 hari meningkat dari 5,688 MPa pada beton normal menjadi 7,516 MPa pada variasi 1,25%, atau meningkat sebesar 32,14%. Dengan demikian, Sikament LN efektif meningkatkan kinerja beton perkerasan kaku melalui pengurangan kebutuhan air dan peningkatan kuat lentur tanpa mengurangi workability beton.
Co-Authors Adwiyani, Pustika Alifiya Herwitarahman Annisa, Baaqy Amri Gunadi Gunadi Kusuma, Eka Widiawati Wijaya Mahmudi Mahmudi Muliandari, Nadya Ramadhani, Amelia Arum Safriadi Sitorus, Dermawati Sugiyanto, Martinus Agus Sulistia Ningsih, Sulistia