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All Journal Jurnal Teknik Sipil Fondasi: Jurnal Teknik Sipil BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Martabe : Jurnal Pengabdian Kepada Masyarakat Portal: Jurnal Teknik Sipil JMTS: Jurnal Mitra Teknik Sipil Jurnal Riset Teknologi Pencegahan Pencemaran Industri Teknika Sains : Jurnal Ilmu Teknik Jurnal Talenta Sipil Jurnal Teknik Sipil Institut Teknologi Padang Jurnal Teknologi dan Inovasi Industri Nata Palemahan: Journal of Environmental Engineering Innovations Jurnal Rekayasa Infrastruktur Hexagon Jurnal Bangunan Konstruksi
Dila Oktarise Dwina
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Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation

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Analisis Daya Dukung Fondasi pada Gedung Perkantoran Universitas Jambi: Foundation Bearing Capacity Analysis On Jambi University Office Building Ramadhanis, Ulfa Dayini; Dwina, Dila Oktarise; Nuklirullah, M.
Jurnal Rekayasa Infrastruktur HEXAGON Vol 9 No 1 (2024): HEXAGON
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/hexagon.v9i1.1209

Abstract

Several pile caps changed shape and size due to the addition of pile columns on some pile caps of the Jambi University office building. The pre-planned pile caps depth changed to 11-19,5 m from 30 m at each point. The change was due to the existing land conditions on the field that did not support the original foundation plan. For the construction of the building to stand firm, the foundation plan must adapt to the field conditions. The research method used is the evaluation method, which performs an analysis of the foundation-bearing capacity after the occurrence of changes. It consists of three stages: the data collection stage, the analysis stage, and the decision-making stage. At the critical depth achieved, the days of axial support pressure 744,107 kN, the traction axial support power 169,16 kN, and the P6A type pillar group bearing capacity 11161,6 kN. The foundation is said to be able to withstand the upper structural load demonstrated by the results of a single pillar analysis when Qall > upper structure load worth 218.867,458 kN > 157924,94 kN and on the group pillar is said safe when the security factor obtained > the minimum security factor. The results concluded that the foundation bearing capacity analysis on Jambi University Office Building is safe and able to withstand the load of structures above the building.
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 Abiyoga, Nurza Purwa Ade Adriadi Ade Nurdin Al Fikri, Risky Dwi Alfernando, Oki Annisa Rizki Sulardi Fitriani Del Zamre Ikhlas Dhimas Cakrawisnu Diah Riski Gusti Dona Prillya S Dyah Kumalasari Dyah Kumalasari Ema Fitriani Fetty Febriasti Bahar Fitriyana A Galih, Ira Hariestya Viareco Hutagalung, Winny Laura Christina Ilman, Dzulfanur Intan Lestari M Nuklirullah M. Nuklirullah Melia Juniza Muhammad Sidqi Virginda Nazarudin Nuklirullah, M. Oki Alfernando Putri, Fiona Dehansa Putri, Niken Tasya Clara Rainiyati Rainiyati Ramadhanis, Ulfa Dayini Revis Asra Rinaldi Rinaldi Rizki Diana Putri S Sarah Fiebrina Heraningsih Siti Inayah Natasya Siti Inayah Natasya Tia Nofrina Yulia Morsa Said