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All Journal Jurnal Teknik Sipil Jurnal Pengabdian kepada Masyarakat Nusantara
Aprilia Sari, Nur Fajar
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Social Sciences

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Implementasi Pengomposan secara Aerobik sebagai Solusi Pengelolaan Sampah Organik di RT 012 RW 008 Perumahan Sutorejo Indah Surabaya Rosalina, Amanda; Rismawati, Ria; Sholihah, Mar’atus; Aprilia Sari, Nur Fajar; Gastriani, Ovi Prina; Fajardini, Ridhani Anita
Jurnal Pengabdian kepada Masyarakat Nusantara Vol. 6 No. 4 (2025): Edisi Oktober - Desember
Publisher : Lembaga Dongan Dosen

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Abstract

Sampah rumah tangga, terutama sisa makanan dan tumbuhan, menjadi salah satu penyumbang utama pencemaran lingkungan akibat kurangnya pemahaman masyarakat dalam pengelolaannya. Kegiatan pengabdian masyarakat ini bertujuan meningkatkan pengetahuan warga tentang pengelolaan sampah organik melalui pembuatan kompos secara aerobik dari limbah rumah tangga. Metode yang digunakan meliputi sosialisasi, demonstrasi pembuatan kompos, dan pengamatan proses pengomposan selama 40 hari. Penelitian ini menerapkan desain quasi-eksperimental dengan pendekatan one group pre-test dan post-test, dan data dianalisis menggunakan uji t berpasangan (paired sample T-test) dengan software Minitab untuk mengukur perubahan tingkat pemahaman. Hasil menunjukkan adanya peningkatan signifikan antara nilai pre-test dan post-test, yang menandakan kegiatan ini berhasil meningkatkan pengetahuan masyarakat dalam mengolah sampah organik menjadi kompos serta mendorong perilaku ramah lingkungan di tingkat rumah tangga.
Compressive Strength and Water Absorption Analysis of Perforated Paving Blocks Incorporating Waste Candlenut Shell Ash Aprilia Sari, Nur Fajar; Cahyono, Luqman; Rismawati, Ria; Sholihah, Mar'atus
Jurnal Teknik Sipil Vol 26, No 1 (2026): Jurnal Teknik Sipil Universitas Tanjungpura
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jts.v26i1.104139

Abstract

The extensive use of candlenut shells as boiler fuel generates substantial ash residues that pose environmental challenges if inadequately managed. Concurrently, conventional paving blocks exhibit limited permeability, thereby increasing urban surface runoff. This study evaluates the feasibility of incorporating candlenut shell ash as a partial replacement for fine aggregate in perforated paving blocks. Distinct from prior studies that focus on ash application in dense concrete systems, this research emphasizes permeability-oriented pavement performance alongside material valorization. Chemical composition was determined using X-ray Fluorescence analysis, while mechanical and durability-related properties, including compressive strength and water absorption, were assessed in accordance with SNI 03-0691-1996. The ash contained 80.04% CaO, suggesting potential pozzolanic activity. Experimental results indicate that a 1:4 mix proportion provides optimal performance, achieving a compressive strength of 20.60 MPa that satisfies Quality B requirements and a water absorption of 9%, meeting Quality C criteria. These findings demonstrate the technical viability of candlenut shell ash for permeable paving applications and support its integration into sustainable urban drainage and circular material management systems.
Co-Authors Cahyono, Luqman Fajardini, Ridhani Anita Gastriani, Ovi Prina Rismawati, Ria Rosalina, Amanda Sholihah, Mar'atus Sholihah, Mar’atus