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Potensi : Jurnal Sipil Politeknik
Published by Politeknik Negeri Bandung
ISSN : 14112949     EISSN : 25808133     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Engineering Transportation
Potensi: Jurnal Sipil Politeknik merupakan hasil penelitian dalam ilmu ketekniksipilan yang dilakukan oleh Jurusan Teknik Sipil Politeknik Negeri Bandung. Potensi: Jurnal Sipil Politeknik ini terindeks google scholar dengan nomor ISSN 2580-8133 (online).
Arjuna Subject : -
Articles 188 Documents
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PENGARUH SERBUK KACA SEBAGAI SUBSTITUSI PARSIAL AGREGAT HALUS DAN SILICA FUME SEBAGAI SUBSTITUSI PARSIAL SEMEN TERHADAP NILAI PROPERTIS MEKANIK BETON Jafar, Jafar; Jamaaludin, Kisna Hafizh
Potensi: Jurnal Sipil Politeknik Vol. 25 No. 2 (2023): Potensi: Jurnal Sipil Politeknik
Publisher : Department of Civil Engineering, Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/potensi.v25i2.4718

Abstract

Sampah berbahan dasar kaca merupakan jenis sampah yang tidak dapat terurai secara alami. Material gelas yang telah melalui proses penggilingan hingga berbentuk bubuk dapat digunakan dalam campuran beton sebagai pengganti sebagian agregat halus Penelitian ini mencoba untuk mengetahui pengaruh subtitusi agregat halus dengan serbuk kaca dalam campuran beton. Persentase serbuk kaca yang digunakan dalam penelitian ini adalah 5, 10, 15, dan 20% dari berat agregat halus. Portland Cement (PC) dalam penelitian ini juga sebagian diganti dengan Silica fume. Silica fume yang digunakan dalam penelitian ini adalah 10% dari berat semen. Studi ini dilakukan berdasarkan SNI 2834-2000 untuk menentukan proporsi PC, agregat halus dan kasar, dan air. Nilai yang diharapkan setelah 28 hari adalah 25 MPa. Pengujian yang dilakukan adalah kuat tekan, tarik belah, lentur, dan modulus elastisitas. Dari hasil pengujian kuat tekan dengan beberapa presentase serbuk kaca didapatkan presentase optimum ialah 5% serbuk kaca dengan menghasilkan kuat tekan 29,42 MPa yang sesuai dengan nilai Penelitian ini menyimpulkan bahwa penggunaan serbuk kaca 5% sebagai pengganti agregat halus dan silica fume 10% sebagai pengganti semen dapat meningkatkan kuat tekan, tarik belah, lentur, dan modulus elastisitas beton. Selanjutnya penambahan serbuk kaca lebih dari 5% menurunkan nilai sifat mekanik beton.
Terminal Facilities Development Strategy Syukuran Aminuddin Amir Luwuk Airport Fatahuddin, Suriyati; Samaduri, Luthfi; Fauziah, Siti
Potensi: Jurnal Sipil Politeknik Vol. 26 No. 1 (2024): Potensi: Jurnal Sipil Politeknik
Publisher : Department of Civil Engineering, Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/potensi.v26i1.5485

Abstract

Banggai Regency is one of the mining areas in eastern Indonesia. Apart from that, there are also several natural tourist attractions spread across several areas in Banggai Regency, so that the flow of passengers and goods has increased from year to year. The availability of passenger facilities and airport activity services is a critical issue to pay attention to, without adequate facilities, airport service activities will be faced with a risk of meeting user needs. This research aims to determine the strategy for developing terminal facilities at Syukuran Aminuddin Amir Airport based on a combination of internal and external airport factors. The research method uses SWOT analysis with primary data sources in the form of distributing questionnaires and interviews with 100 respondents, as well as secondary data in the form of documents related to terminal facilities from the Airport UPT. The results of the analysis on the SWOT diagram show that the position of the airport is in diagram II, which means that even though it faces several threats, the company still has internal strength. The strategy that must be applied is a diversification strategy in which strength is used to overcome threats
STUDI PENERAPAN PRINSIP ZERO RUN-OFF DENGAN MENGGUNAKAN SUMUR RESAPAN DI KAMPUS UNIVERSITAS WIDYATAMA Hasan, Fuad; Widyanto, Bambang Eko; Bayu A., R. Herdian; Setiawan, Asep
Potensi: Jurnal Sipil Politeknik Vol. 25 No. 2 (2023): Potensi: Jurnal Sipil Politeknik
Publisher : Department of Civil Engineering, Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/potensi.v25i2.5764

Abstract

Kota Bandung tempat Universitas Widyatama berada mengalami kemajuan yang pesat dalam sektor pembangunan infrastruktur. Adanya pembangunan infrastruktur yang masif ini dapat meningkatkan kebutuhan air dan menurunkan muka air tanah. Kota Bandung merupakan kota yang memiliki rata-rata curah hujan bulanan yang cukup tinggi sehingga memiliki potensi aliran permukaan yang cukup tinggi. Adanya ketersediaan curah hujan di musim hujan yang cukup melimpah ini belum dapat dimanfaatkan dengan optimal di musim kemarau. Universitas Widyatama dikelilingi oleh zona pemukiman yang semakin hari semakin berkembang dan berubah tata guna lahannya sehingga dapat menyebabkan berkurangnya lahan resapan yang ada. Perpaduan antara hal tersebut jika diiringi dengan intensitas hujan tinggi maka dapat mengakibatkan air yang meresap ke dalam tanah berkurang, sehingga dapat menyebabkan genangan. Untuk mengantisipasi masalah tersebut, perlu dilakukan penataan sistem pengelolaan air dengan menggunakan metode Zero Run–Off. Hasil perhitungan volume hujan yang dapat ditampung yaitu sebesar 2,177 m3 . Berdasarkan hasil pengukuran laju infiltrasi dapat disimpulkan bahwa wilayah kampus Universitas Widyatama masih dapat mengalirkan air ke dalam tanah. Hasil perhitungan debit banjir sumur resapan didapat sebesar 544,23 m3 per jam. Jika sumur resapan yang direncanakan berdinding poros dengan karakteristik tanah pasir halus maka dibutuhkan 161 titik sumur resapan dengan kedalaman 3 m.
PERBANDINGAN KARAKTERISTIK GAMBUT PALANGKARAYA YANG TELAH DISTABILISASI DENGAN BAKTERI BACILLUS SUBTILIS Khoerani, Annisa; Amalia, Dewi; Sulaiman, Suherman
Potensi: Jurnal Sipil Politeknik Vol. 25 No. 2 (2023): Potensi: Jurnal Sipil Politeknik
Publisher : Department of Civil Engineering, Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/potensi.v25i2.5824

Abstract

Indonesia merupakan negara dengan sebaran gambut terbanyak di Asia Tenggara. Luas lahan gambut di Indonesia mencapai 13.43 juta hektar yang tersebar di empat pulau besar di Indonesia. Pembangunan infrastruktur di lahan gambut memiliki banyak resiko karena karakteritik gambut yang buruk, seperti kadar air dan kadar serat yang tinggi, hingga daya dukung yang rendah. Oleh karena itu pada saat ini banyak penelitian yang dilakukan untuk meningkatkan karakteristik gambut berupa stabilisasi, hanya saja stabilisasi yang dilakukan banyak menggunakan bahan kimia yang dapat mencemari lingkungan. Pada dewasa ini, stabilisasi dengan bakteri dianggap lebih ramah lingkungan seperti stabilisasi dengan metode Microbially Induced Calcite Precipitation (MICP) menggunakan bakteri Bacillus subtilis. Proses stabilisasi dengan penambahan 7.5% larutan bakteri dapat meningkatkan kuat geser gambut dari 17.693 kPa menjadi 24.047 kPa. Peningkatan kuat geser pada gambut diikuti dengan perubahan karakteristiknya. Gambut yang berasal dari Kota Palangkaraya, Kalimantan Tengah memiliki karakteristik sebagai gambut berserat tipe hemic dengan kandungan abu yang tinggi kadar organik yang tinggi, tingkat keasaman yang tinggi, serta kemampuan penyerapan air yang sedang. Setelah dilakukan stabilisasi didapatkan karakteristik gambut menjadi gambut tidak berserat tipe sapric dengan kadar abu yang tinggi, kadar organik yang rendah, tingkat keasaman yang sedang, serta kemampuan penyerapan air yang rendah.
The Effect of Polyacrylamide Polymer Stabilization Soil on the Magnitude of Settlement and Stability of Bridge Approach Slabs Yuswandono, Mulyadi; Amalia, Dewi; Permana, Rahmat; Hendry; Arofah, Muhammad Bayu; Sulaiman , Raihan Maulana; Ahmed, Suliman Badawi
Potensi: Jurnal Sipil Politeknik Vol. 26 No. 1 (2024): Potensi: Jurnal Sipil Politeknik
Publisher : Department of Civil Engineering, Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/potensi.v26i1.5840

Abstract

The main problems that often occur in embankments built on soft soil are subsidence of the subgrade and stability of the embankment. This research aims to determine the effect of applying silty clay soil stabilized by PAM on subgrade subsidence and embankment operation stability. Apart from that, this research also analyzes the effect of variations in slope on subgrade subsidence and embankment stability. Analysis uses the finite element method with Plaxis 2D V20 software. From the analysis results it is known that the use of 0.2% PAM stabilized silty clay backfill material; 0.4%; 0.6%; 0.8%; and 1% has a higher Safety Factor (SF) value than the selected embankment, where the SF increase is 28.72%; 29.90%; 30.81%; 32.75%; and 33.10%, respectively. The use of silty clay material stabilized by PAM (0.2%; 0.4%; 0.6%; 0.8%; and 1%) succeeded in reducing settlement occurring in the field respectively by 10.23%; 6.77%; 5.79%; 4.41%; and 1.09%. This means saving on the need for stockpiled materials. Variations in slope affect the decrease in the stability of the subgrade and embankments, where the smaller the slope angle, the smaller the subsidence of the subgrade and the greater the value of the embankment stability safety figure obtained.
The Effect of Polyacrylamide as Stabilization Material on Bearing Capacity of Subgrade and Unit Price of Work Juarti, Ery Radya; Ambat, Ruth Esther; Iskandar; Solih, Ahmad; Oktavania, Salma; Nugraha, Anissa Puspa; Lhwaint, Abdallh
Potensi: Jurnal Sipil Politeknik Vol. 26 No. 1 (2024): Potensi: Jurnal Sipil Politeknik
Publisher : Department of Civil Engineering, Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/potensi.v26i1.5841

Abstract

Stabilization is the mixing of soil with other materials, one of which is polyacrylamide (PAM) synthetic polymer. Subgrade stabilization was carried out on local soil at Jalan Cisasawi, Desa Cihanjuang with the percentage of PAM addition of 4%, 6%, 8%, 10%, and 12% of soil weight. This is done to get a high CBR value. In laboratory tests, PAM was shown to increase the bearing capacity of the soil to the optimum at 8% PAM content from dry weight. At 10% and 12% PAM percentages, the soil experienced a decrease in bearing capacity because it was no longer able to accept other substances from outside. CBR testing with 8% PAM content resulted in a soaked CBR value of 16.4% and an unsoaked CBR of 20.5%. In the Free Compressive Strength test with 4% PAM content, PAM can increase the compressive strength value by 162%, 6% PAM by 207% and 8% PAM by 226% of the original soil compressive strength. It was also calculated the unit price of mixing PAM with soil per 1 m3 as a reference for making a cost budget plan, it was proven that the unit price increased as the percentage of PAM increased.
The Effect of CBR of Soil Stabilised with Polyacrylamide on Flexural Pavement Thickness Based on SKBI 1987 Noorlaelasari, Yullianty; Juarti, Ery Radya; Suyono, Agus; Aisyah, Linda; Oktavania, Salma; Nugraha, Anissa Puspa; Ahmed, Suliman Badawi
Potensi: Jurnal Sipil Politeknik Vol. 26 No. 1 (2024): Potensi: Jurnal Sipil Politeknik
Publisher : Department of Civil Engineering, Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/potensi.v26i1.5842

Abstract

Roads must have safety and comfort, which can be seen through the condition of the pavement. A good pavement is influenced by a good bearing capacity of the subgrade. Not infrequently, road damage that occurs is caused by a lack of bearing capacity of the subgrade (CBR<6). One way to improve the bearing capacity of the subgrade is to stabilize it with polyacrylamide (PAM) synthetic polymer. Subgrade stabilization was carried out on local soil at Jalan Cisasawi, Desa Cihanjuang with a percentage of 4%, 6%, 8%, 10%, and 12% of the dry soil weight. From the results of laboratory CBR testing, calculations were made to determine the effect on the thickness of flexible pavement using the SKBI 1987 method. After the calculation, it can be concluded that the CBR value affects the thickness of the flexible pavement layer. The greater the subgrade CBR value, the thinner the pavement thickness (with 8% polyacrylamide). This has been proven in the calculation where PAM managed to increase the bearing capacity of the soil to the maximum at 8% PAM content (soaked CBR 16.4% and unsoaked CBR 20.5%) and the thickness of the lower foundation layer is 25 cm (the thinnest among other levels).
Influence of Scouring Phenomenon on Slope Stability in Substructure Construction of Cipeles Bridge Jordy, Riskia; Amalia, Dewi; Amarta, Agastyasa Ghea
Potensi: Jurnal Sipil Politeknik Vol. 26 No. 1 (2024): Potensi: Jurnal Sipil Politeknik
Publisher : Department of Civil Engineering, Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/potensi.v26i1.5848

Abstract

Slope stability represents a crucial aspect of terrain integrity, safeguarding against potential landslides and ensuring structural resilience. Instabilities arise primarily from diminished safety margins and landslide occurrences triggered by alterations in slope dimensions or geometry induced by river water scouring. Such scouring processes engender heightened slope steepness, exacerbating vulnerability to failure. Utilizing Finite Element Method (FEM) software, specifically Plaxis 2D Version 22, back calculation analysis, or reverse analysis, offers a robust approach to assess safety factors and collapse patterns resulting from scour-induced alterations. Our investigation reveals a pronounced expansion of slope failure zones attributable to scour phenomena, encompassing both primary and secondary scour instances. Concurrently, there is a discernible reduction in Safety Factor (SF) values and y-displacement magnitudes along the slope, with the most notable declines observed under condition 3 (displacement-y value reaches 79,53 mm). These alterations stem from geometric transformations within the slope, culminating in increased steepness and corresponding destabilization.

Page 19 of 19 | Total Record : 188

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