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All Journal BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Martabe : Jurnal Pengabdian Kepada Masyarakat Jurnal Komposit : Jurnal Ilmu-Ilmu Teknik Sipil Jurnal Riset Teknologi Pencegahan Pencemaran Industri Jurnal Akademik Pengabdian Masyarakat Jurnal Bangunan Konstruksi
Abiyoga, Nurza Purwa
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Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Social Sciences Transportation

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Palm Oil Fuel Ash Fineness in Modifying CBR Characteristics of Peat Soil Dwina, Dila Oktarise; Abiyoga, Nurza Purwa; Nurdin, Ade
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 12 No 2 (2024): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (July 2024)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v12i2.9598

Abstract

Palm Oil Fuel Ash (POFA) is a waste product from the palm oil industry that often causes environmental problems. Its potential as a pozzolan for soil stabilization has been proven; however, the low CaO content makes it an ineffective sole stabilization material. Some researchers suggest reducing the particle size of pozzolan materials to optimize stabilization. This research aims to evaluate the effectiveness of increasing POFA particle fineness in peat stabilization. The study uses samples stabilized with fine and coarse POFA at 30%, 35%, and 40% of the soil's dry weight. California Bearing Ratio (CBR) tests were conducted after curing for 0, 7, 14, and 28 days. Test results show that the highest CBR values for samples with fine and coarse POFA are 5.48% and 5.80%, respectively, with coarse POFA consistently outperforming fine POFA at all curing times. For samples with the same curing time, the CBR value difference between 30% and 40% POFA is less than 1.00, except for fine POFA at 40% after 28 days, which is 1.25 higher than 30%. However, the performance of peat samples with 40% fine POFA is only comparable to those with 35% coarse POFA after 28 days. Based on these results, it can be seen that POFA is more effective as a filler rather than a pozzolan material for peat soil. As a filler, coarse POFA can better enhance the stability of peat.
OPTIMALISASI PRODUKTIVITAS SAWAH KELURAHAN OLAK KEMANG MELALUI IMPLEMENTASI SISTEM IRIGASI TENAGA ANGIN Nurdin, Ade; Kumalasari, Dyah; Fevriasti Bahar, Fetty; Harmes, Harmes; Purba Abiyoga, Nurza
Martabe : Jurnal Pengabdian Kepada Masyarakat Vol 8, No 2 (2025): MARTABE : JURNAL PENGABDIAN KEPADA MASYARAKAT
Publisher : Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/jpm.v8i2.830-835

Abstract

Kelurahan Olak Kemang, Kota Jambi, menghadapi tantangan signifikan dalam pengelolaan irigasi pertanian akibat kerusakan sistem irigasi dan minimnya pemeliharaan oleh petani. Hal ini berdampak pada penurunan produktivitas padi hingga 50,8% di wilayah tersebut. Melalui program pengabdian masyarakat, solusi berbasis teknologi ramah lingkungan dikembangkan dengan mengimplementasikan sistem irigasi bertenaga angin. Sistem ini dirancang untuk meningkatkan efisiensi distribusi air, mengurangi ketergantungan pada bahan bakar fosil, serta menekan biaya operasional.  Program ini melibatkan metode partisipatif yang mengedukasi petani tentang perakitan, pengoperasian, dan pemeliharaan teknologi. Hasil kegiatan menunjukkan peningkatan pemahaman dan keterampilan petani dalam mengelola sistem irigasi serta kesadaran akan pentingnya pengelolaan lingkungan berkelanjutan. Penerapan sistem ini juga terbukti meningkatkan efisiensi pengairan lahan sawah, menjaga produktivitas pertanian, dan mendukung ketahanan pangan lokal. Program ini menjadi model pengelolaan irigasi berbasis energi terbarukan yang efektif dan berdampak positif bagi kesejahteraan masyarakat.
Pemeliharaan Saluran Sistem Drainase Melalui Manajemen Pastisipatif di RT 7 Kelurahan Legok, Kota Jambi Lailal Gusri; Nurza Purwa Abiyoga; Abdul Manab; Tri Syukria Putra; M. Nuklirullah
JURNAL AKADEMIK PENGABDIAN MASYARAKAT Vol. 3 No. 3 (2025): MEI
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/japm.v3i3.6125

Abstract

Drainage systems require maintenance to ensure the proper functioning of the constructed system. If maintenance is not maintained or is inadequately maintained, problems with drainage capacity will occur. Community participation in drainage management can foster human-environmental relations through mutual cooperation. The goal is to increase understanding of the importance of community participation in drainage maintenance through participatory management. The community service method facilitates understanding and visits to drainage areas, and offers solutions on how participatory management works in the community. The results of community participation are an important component for successful drainage maintenance and community flood preparedness. The residents of RT 07, Legok Village, were very impressed and inspired a desire to participate in drainage system maintenance to prevent garbage accumulation and siltation.
The Influence of Subgrade CBR Value and Concrete Quality on Rigid Pavement Thickness (Case Study: Desa Simpang/Berbak to Simpang Ma. Sabak Road) Noka, Hardiani Nofriza Zarisma; Nurdin, Ade; Abiyoga, Nurza Purwa
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 2 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i2.17343

Abstract

Roads are the primary infrastructure for land transportation, facilitating traffic from one place to another. The road from Desa Simpang/Berbak to Simpang Ma. Sabak in Muara Sabak Timur District, Tanjung Jabung Timur Regency, faces a significant issue with low California Bearing Ratio (CBR) values of the subgrade soil. These low CBR values can lead to instability and deformation of the subgrade, ultimately damaging the rigid pavement built upon it. This study aims to evaluate the influence of subgrade CBR values and concrete quality on the thickness of rigid pavement for the road from Desa Simpang/Berbak to Simpang Ma. Sabak. The research employs a quantitative approach using the AASHTO 1993 method. The results indicate that subgrade CBR values and concrete quality significantly affect the thickness of rigid pavement. Higher CBR values allow for a reduction in concrete slab thickness, while higher concrete quality increases the modulus of elasticity and flexural strength of the concrete, enabling a reduction in slab thickness. However, the influence of CBR values is more significant than that of concrete quality, particularly at higher concrete grades.In conclusion, improving subgrade CBR values is more effective in reducing rigid pavement thickness than solely enhancing concrete quality. Further economic analysis is recommended to evaluate the most cost-effective combination of concrete quality and subgrade CBR values, considering both construction and long-term maintenance costs.
Pengaruh Perubahan Elevasi Muka Air Sungai Terhadap Stabilitas Dinding Penahan Tanah (DPT) Kantilever Pada Revitalisasi Aliran Anak Sungai Asam Kec. Kota Baru Al Fikri, Risky Dwi; Dwina, Dila Oktarise; Abiyoga, Nurza Purwa
Jurnal Bangunan Konstruksi Vol 3 No 2 (2025): Barakka - Jurnal Bangunan Konstruksi
Publisher : PSTS FT UIM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63877/jbk.v3i2.182

Abstract

Revitalisasi Sungai pada daerah anak Sungai yang dangkal meliputi penggalian dan pelebaran sungai menjadi fokus utama untuk mengatasi banjir. Disepanjang aliran anak Sungai asam berdiri banyak bangunan menyebabkan lahan untuk pelebaran Sungai menjadi kecil sehingga rawan terjadi longsor jika tidak diberi perkuatan pada lereng sungai. Penelitian ini berfokuskan untuk mendesain perkuatan lereng Sungai menggunakan dinding penahan tanah kantilever dengan memperhitungkan pengaruh elevasi muka air Sungai dengan empat kondisi. Hasil penelitian didapatkan nilai faktor keamanan yang berbeda-beda dari setiap ketinggian elevasi muka air sungai, pada elevasi air normal, elevasi air baniir, elevasi air setelah banjir dan pada elevasi air surut Dapat disimpulkan dalam desain awal dinding penahan tanah kantilever pada lereng Sungai perlu memperhitungkan fluktuasi muka air Sungai karna berpengaruh terhadap dimensi rencana dan nilai faktor keamanan.
Mechanical Properties Improvement of Peat Soils Stabilized by Palm Oil Fuel Ash (POFA) based Geopolymer Abiyoga, Nurza Purwa; Dwina, Dila Oktarise; Alfernando, Oki; Putri, Fiona Dehansa
Jurnal Riset Teknologi Pencegahan Pencemaran Industri Vol. 16 No. 2 (2025): November
Publisher : Balai Besar Standardisasi dan Pelayanan Jasa Pencegahan Pencemaran Industri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21771/jrtppi.2025.v16.no2.p176-185

Abstract

Peat soils are generally characterized by high water content, significant organic matter composition, and relatively low shear strength compared to mineral soils. These properties may lead to excessive settlement and reduced load-bearing capacity, which can affect the performance of foundations and embankments constructed on peat deposits. Extensive peatland areas can be found in Jambi, Indonesia and innovative stabilization methods are required to enhance their mechanical properties for sustainable land use. This study develops an alternative method of stabilization by using palm oil fuel ash (POFA) as a base material for geopolymerization. POFA, an industrial by-product, is abundant in Jambi and offers a sustainable alternative to highly polluting Portland cement. The research methodology involved the preparation of geopolymer-stabilized peat samples with 0%, 10%, 15%, and 20% to total dry weight of POFA addition, followed by Unconfined Compressive Strength (UCS) tests to assess the improvement in soil strength. The results indicate a positive trend with increasing compressive strength values as the geopolymer content increases to 15%. The average UCS results for the consecutive amount of POFA geopolymer addition are 15.10 kPa, 30.05 kPa, 37.90 kPa, and 9.71 kPa. In conclusion, using POFA-based geopolymer shows potential as an effective and sustainable solution for improving the strength characteristics of peat soils with a notable maximum amount of addition at 15%. This stabilization technique could provide a viable method for infrastructure development in peatland areas.
Co-Authors Abdul Manab Ade Nurdin Al Fikri, Risky Dwi Alfernando, Oki Dila Oktarise Dwina Dwina, Dila Oktarise Dyah Kumalasari Fetty Febriasti Bahar Gusri, Lailal Harmes, Harmes M. Nuklirullah Noka, Hardiani Nofriza Zarisma Putri, Fiona Dehansa Tri Syukria Putra