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INDONESIA
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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Analysis of Permeability Coefficient on Stabilished Peat using Bacillus Subtilis Bacteria Khoerani, Annisa; amalia, dewi; Sulaiman, Suherman
Potensi: Jurnal Sipil Politeknik Vol. 26 No. 2 (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.v26i2.5825

Abstract

In construction sector, peat is one type of soil that is avoided because it has poor characteristics. This is because peat has very different characteristics when compared to other types of soil. Poor peat characteristics often lead to damage and construction failure of infrastructure buildings on peat. For example, large settlement values are caused by high peat compression that strongly influenced by its permeability value. The smaller the permeability value, the smaller the compression that occurs. Indonesia has the largest peatland distribution in Southeast Asia, this is a problem that must be resolved immediately. Much research has been done to improve the characteristics of peat, one of which is peat stabilization. Microbially Induced Calcite Precipitation (MICP) method using Bacillus subtilis was considered as an effective method in peat stabilization. This stabilization can reduce the permeability value of the peat by closing the pores in the peat. To investigate the influence of the bacteria on the peat sample, several tests was conducted including the physical property and permeability test. In this study, the addition of Bacillus subtilis bacteria solution can reduce the permeability value of peat from 0.001170 cm/sec to 0.000317 cm/s at the addition of 5% bacteria solution.
Uji Konvergensi Mesh Model Elemen Hingga Struktur Mass Timber dengan Abaqus CAE Faveryan, Irkhas Bayu; Syahputra, Muhammad Firman; Sari, Tisa Kavita Ratria; Tridayana, Prima Azha
Potensi: Jurnal Sipil Politeknik Vol. 25 No. 1 (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.v25i2.6095

Abstract

Mass timber adalah alternatif yang dapat digunakan untuk pengganti beton dan baja karena sifat materialnya. Mass timberprefabrikasi adalah komponen kayu yang dibuat di pabrik. Hal ini memungkinkan mass timber dipasang langsung di lokasi proyektanpa memerlukan bekisting, pengecoran, atau pengawetan, yang biasanya diperlukan untuk material beton bertulang. Mass timbermembantu mengurangi emisi karbon dalam industri konstruksi yang umumnya dihasilkan oleh beton dan baja. Penelitian inidilakukan untuk mengetahui apakah model numerik yang dibuat sesuai dengan produk mesh ketika diamati. Penelitian ini diawalidengan mencari sifat produk dan ukuran mesh yang ideal, serta melakukan perbandingan antara nilai momen dan defleksi yangdiperoleh dari pemodelan numerik dengan data hasil eksperimen. Ukuran mesh yang dibandingkan pada model adalah 4mm, 5mm,6mm, 8mm, 10mm, 12mm, dan 15mm. Berdasarkan hasil uji konvergensi, nilai error untuk ukuran mesh 5 dan 4 masing-masingsebesar 3,206% dan 3,985%. Oleh karena itu, dapat disimpulkan bahwa ukuran mesh dalam kisaran ini sesuai dengan karakteristikstruktur aslinya. Namun demikian, seiring bertambahnya jumlah elemen atau berkurangnya ukuran mesh, waktu komputasi padaprogram juga meningkat. Perbedaan nilai error antara mesh 4 dan 5 hanya sebesar 0,779%, namun terdapat perbedaan waktukomputasi yang signifikan. Oleh karena itu, ukuran mesh yang dipilih adalah 5mm.
Analisis Jaringan Drainase Menggunakan EPA-SWMM Pada Kawasan Pabrik Garmen di Kabupaten Garut Widyantoro, Frenki Tres
Potensi: Jurnal Sipil Politeknik Vol. 25 No. 1 (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.v25i1.6265

Abstract

Perencanaan sistem jaringan drainase sangat penting pada suatu kawasan agar tidak terjadi banjir yang akan berdampak pada kegiatan dalam kawasan sehingga menimbulkan kerugian waktu, operasional, finansial dan hal lainnya. Penelitian ini bertujuan untuk menganalisis skema dan arah aliran drainase serta dimensi saluran drainase di kawasan pabrik garmen ini. Metodologi yang digunakan adalah analisis menggunakan pemodelan dengan perangkat lunak EPA SWMM (Storm Water Management Model). Hasil penelitian ini menunjukkan bahwa desain saluran yang terdiri dari u-ditch berukuran 400 mm x 400 mm dan pipa beton dengan diameter 600 mm, 800 mm, dan 1000 mm, mampu menampung debit banjir dengan kala ulang 10 tahun dengan curah hujan sebesar 96,4 mm/hari, serta memenuhi syarat tinggi jagaan. Kecepatan maksimum yang terukur adalah 1,7 m/s pada saluran dalam kawasan dan 2,80 m/s pada outlet. Kecepatan aliran ini memenuhi persyaratan untuk material saluran berupa beton dengan izin kecepatan air > 1,5 m/s. Terdapat saluran yang memiliki kecepatan desain kurang dari kecepatan minimum 0,5 m/s, sehingga perlu dilakukan desain ulang. Selain itu, terdapat saluran dengan kemiringan lebih dari 10%, sehingga disarankan untuk membuat saluran bertangga untuk meredam energi daya rusak air
The Impact of Cracked Soil and Weathering on Slope Stability Against Landslides in Hilly Regions with Heavy Rainfall Kumala sari, Putu tantri; Wardani, Mila K.
Potensi: Jurnal Sipil Politeknik Vol. 26 No. 2 (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.v26i2.6359

Abstract

Landslides are frequent events occurring in hilly regions of Pacitan-Indonesia, specifically beneath High Voltage Air Line (SUTT) tower. These events occur during the rainy season, with a monthly and daily intensity of 1,000 mm and 300 mm, respectively. Therefore, this study aims to identify the causes of landslides in hilly regions with good soil conditions influenced by weathering and cracks. The field observations of geotechnical and geophysical were carried out including Electrical Resistivity Tomography (ERT) and Induced Polarization (IP). The results of geotechnical testing showed that soil conditions were generally stiff, while ERT and IP tests indicated a layer with weathering and cracks. Numerical modeling was also performed using limit equilibrium and finite element methods to simulate the impact of soil weathering and cracks. The results showed that the presence of cracks and weathering in soil at landslide location could significantly reduce slope stability, particularly during heavy rainfall. Additionally, the number of cracks and seepage parameter values in weathered soil influenced slope stability, potentially leading to landslides.
Hubungan Koefisien Determinasi Kohesi Tanah Lempung Untuk Pengujian Unconfined Compression Strength Dibandingkan Dengan Pengujian Hand Penetrometer Yuswandono, Mulyadi; Febriansya, Aditia; Somantri, Andri Krisnandi; Khoerani, Annisa; Firmansyah, Dimas Aldie
Potensi: Jurnal Sipil Politeknik Vol. 23 No. 2 (2021): 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.v23i2.6365

Abstract

Dalam perancangan awal tanah dasar (subgrade) diperlukan parameter kekuatan geser tanah salah satunya nilai kohesi (c) yang didapatkan dari hasil pengujian di lapangan dan di laboratorium. Pada tanah lempung biasanya didapatkan masalah seperti nilai kuat geser yang rendah, maka dari itu penelitian ini akan menggunakan sampel tanah lempung di kawasan Pantai Utara Jawa Barat berdasarkan Atlas Sebaran Tanah Lunak. Penelitian ini bertujuan untuk mempercepat perancangan awal tanah dasar (subgrade) dalam mendapatkan data parameter kekuatan geser tanah dari hasil pengujian. Metodologi yang digunakan dalam penelitian ini dengan melakukan pengujian di lapangan yaitu Hand Penetrometer Test (HPT) dan pengujian di laboratorium yaitu Unconfined Compression Strength (UCS). Hasil penelitian menunjukan bahwa dari kedua hasil pengujian tersebut setelah dibandingkan dengan menggunakan tiga persamaan nilai koefisien determinasi adalah mendekati 1 yaitu eksponensial sebesar 0.87, logaritma sebesar 0.96, dan linear sebesar 0.94. Selanjutnya jika akan melakukan perancangan awal tanah dasar (subgrade) untuk mendapatkan data parameter kekuatan geser tanah hanya perlu dilakukan salah satu pengujian saja, baik itu penguian di lapangan yaitu Hand Penetrometer Test (HPT) atau di laboratorium yaitu Unconfined Compression Strength (UCS)
Evaluation of Soil Stabilization from Marble Ash Powder and Asphalt Emulsion as Supporting Soil for Logistics Buildings Simanjuntak, Meita; Amalia, Putty Maura; Firuliadhim, Geni; Syahril, Syahril
Potensi: Jurnal Sipil Politeknik Vol. 26 No. 2 (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.v26i2.6055

Abstract

This research focuses on improving the bearing capacity of soil by applying soil stabilization methods. Specifically, this research explores the use of a mixture of marble powder ash and emulsified asphalt to improve soil physical properties and increase soil bearing capacity to support logistics buildings such as lime or rice storage warehouses. This research was conducted in Cililin area which has soft clay soil that is unsuitable for construction. Tests were conducted in the laboratory using various compositions of marble dust ash (0%; 2.5%; 5%; 7.5%; 10%) and 6% emulsified asphalt. The tests measure the CBR (California Bearing Ratio) and UCS (Unconfined Compressive Strength) values of the soil. The tests measured the CBR (California Bearing Ratio) and UCS (Unconfined Compressive Strength) values of the soil. The test results showed a direct relationship between increasing marble ash composition with CBR and UCS values, with the highest design CBR value in the unsoaked method being 8% and the maximum qu value being 1.676 kg/cm². However, the desired CBR value of >10% was not achieved in this study. To fulfill this requirement, future studies should consider compositions higher than 10% and for better results can use asphalt emulsion of more than 6%.
Application of JONSWAP Method for Analyzing Wave Height and Period on the Coastal of Poso, Tomini Bay, Poso Regency Bangguna, David; Pakpahan, Irnovia B.; Pandoyu, Ebelhart O.; Abulebu, Henny Indriyani; Bansambua, Elce Misba; Lamusu, Rahman
Potensi: Jurnal Sipil Politeknik Vol. 27 No. 1 (2025): 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.v27i1.6312

Abstract

Poso Regency has great potential to be developed into a marine tourism and fisheries city due to its 64.6 km coastline, extending from Tumora in North Poso Pesisir District to Malei in Lage District. For the development of a marine tourism and fisheries city in Poso Regency, data related to wave height and period are required. One method for measuring wave height and period in a body of water is the JONSWAP (Joint North Sea Wave Project) method, an advancement of the Pierson-Moskowitz (1964) method. The JONSWAP method incorporates fetch length and wind speed parameters for calculating wave height and period, whereas other methods only use fetch length. This study aims to analyze wave height and period in Tomini Bay, using the JONSWAP method. The results show that the wind direction dominantly from the north, with most wind speeds (67.71%) being below 0.5 m/s. Wind gusts from the southeast were not detected on the wind rose because the area is located in the Verbeek Mountains; thus, southeast winds can be deflected. The average wind speed is 1.533 m/s, the significant wave height is 0.09 m, the peak wave period is 3.603 seconds, and the wave type is non-fully developed sea.
Influence Plastic Polyethylene Terephthalate as Strong Adhesive Press Paving Block Delia, Rosalin; Utomo, Gunaedy; Marini Indriani, Andi
Potensi: Jurnal Sipil Politeknik Vol. 27 No. 1 (2025): 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.v27i1.6342

Abstract

As the population growth and human needs rise, the amount of plastic product waste was increase. Polyethylene Terephthalate (PET) plastic waste is difficult to naturally decomposed, but it can be recycled by using it as a mixture for paving blocks. Paving blocks, commonly utilized in urban infrastructure, present an opportunity for incorporating recycled materials, addressing environmental concerns while maintaining structural integrity. Therefore, this study aims to assess the effectiveness of PET as adhesive and partial replacement for cement in paving block mixtures. Compressive strength was conducted according to SNI 03-0691-1996 standards on paving block containing PET plastic. The experimental test was conducted at the Civil Engineering laboratory of Balikpapan University. The test was carried out using three different mixture compositions, including 30% PET : 70% sand, 40% PET : 60% sand, and 50% PET : 50% sand. The compressive test result showed that mixture of 30% PET: 70% sand produced the highest average compressive strength of 15.87 MPa, which meets the C quality standard and is suitable for pedestrian use. Meanwhile, a mixture of 50% PET: 50% sand produced an average compressive strength of 10.0 MPa, which meets the D quality and is suitable for parks and other uses.
The Influence of Buton Tailing and Expanded Polystyrene (EPS) on The Shear Strength of Sandy Soil Amalia, Dewi; Gulo, Elrich Gratiawan WD; Hendry, Hendry; Kumala sari, Putu tantri; Lhwaint, Abdallh
Potensi: Jurnal Sipil Politeknik Vol. 27 No. 1 (2025): 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.v27i1.6415

Abstract

Buton tailings, which are a by-product of Buton asphalt, have not been optimally utilized. In fact, research shows that Buton tailings have the potential as an additive to improve soil characteristics, especially sandy soil. This study aims to analyze the effect of the addition of Buton tailings and Expanded Polystyrene (EPS) on the shear strength of sandy soil. The sandy soil used came from Padalarang, Indonesia. Tests were conducted by adding Buton tailings at 0%, 2.5%, 5%, 7.5%, 10%, and 12.5% of the soil weight, and EPS at 0.15%, 0.3%, and 0.45%. The results showed that the addition of Buton tailings increased the cohesion and shear angle of sand soil. The most significant increase occurred with the addition of 5% Buton tailings and 0.15% EPS which increased the inner shear angle by 44% from the initial condition. Based on these results, it can be concluded that the combination of Buton tailings and EPS has the potential to increase the shear strength of sand soil.
Increased Durability of Concrete Against High Temperatures due to Fire using Vermiculite and Polypropylene Additives Dian Artanti, Lintang; Choiri Windari, Aulia; Ghea Amarta, Agastyasa
Potensi: Jurnal Sipil Politeknik Vol. 26 No. 2 (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.v26i2.6429

Abstract

As a primary material in infrastructure construction, concrete must endure diverse environmental conditions and weather, including maintaining its strength when subjected to high temperatures, especially during fire-related disasters. To address this challenge, additional materials are required in the concrete mixture to enhance its resistance to high temperatures. In this study, vermiculite and polypropylene were chosen as the additives. Vermiculite was added to the concrete mix at a proportion of 36%, and polypropylene at 1%. A fire simulation was conducted by placing 28-day-old concrete specimens in a flame for 1 hour, 2 hours, and 4 hours. After the fire simulation, the results showed that concrete with the addition of vermiculite and polypropylene experienced a strength reduction of 25.76% (1 hour), 45.02% (2 hours), and 66.29% (4 hours), whereas the control concrete exhibited strength reductions of 29.43% (1 hour), 41.02% (2 hours), and 68.63% (4 hours). Therefore, it can be concluded that concrete with 36% vermiculite and 1% polypropylene is effective in maintaining 2.34% more strength. This improvement is attributed to the fact that the concrete with vermiculite and polypropylene has more voids, which effectively facilitate the circulation of trapped heat within the concrete, thereby slightly reducing the extent of damage

Page 17 of 19 | Total Record : 188

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