J-Sil (Jurnal Teknik Sipil dan Lingkungan)
J-Sil (Jurnal Teknik Sipil dan Lingkungan) was established in 2016 and is managed by the Department of Civil and Environmental Engineering, IPB University, and the Institute of Engineering Indonesia (PII), Bogor. The journal aims to disseminate original and quality academic papers that have the potential to contribute to the advancement of science and technology in the field of civil and environmental engineering to support sustainable development. The journal covers any scopes within civil and environmental engineering, such as structure, irrigation, drainage, water quality, water construction, hydrology, water management, groundwater conservation, soil mechanics, foundation, soil improvement, slope stability, liquefaction, and soil modeling, road engineering, transportation management, construction management, environmental atmosphere and climate change environment (control of greenhouse gases, air quality models, climate change locally and globally), renewable energy and waste management (recovery of energy from waste, incineration, landfills, and green energy, biotechnology environment (nano-bio sensors, bioenergy, environmental eco-engineering), technology, physical, biological, and chemical (membrane technology, the process of advanced oxidation technology Physico-chemical, biological treatment of water), engineering environmental control (desalination, ICA (instruments, power, and automation), and water reuse technologies) and Applied Geomatics. The journal receives original papers from various contributors, such as academicians, scientists, researchers, practitioners, and students worldwide.
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<![CDATA[Hydraulic Analysis of Flood Characteristics in Way Sekampung Watershed Using HEC-RAS with Various Return Periods ]]>
<![CDATA[Finanda, Reysa]]>;
<![CDATA[Arifaini , Nur]]>;
<![CDATA[Zakaria, Ahmad]]>;
<![CDATA[Wahono, Endro]]>
<![CDATA[ Jurnal Teknik Sipil dan Lingkungan Vol. 10 No. 1: April 2025 ]]>
Publisher : <![CDATA[Departemen Teknik Sipil dan Lingkungan IPB ]]>
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DOI: 10.29244/jsil.10.1.1-14
<![CDATA[A river is a flow of water that flows in one direction from a high area to a low area by gravity or from upstream to downstream. Although there have been many studies using HEC-RAS software, its application in Way Sekampung watershed still needs further evaluation. The purpose of this study is to analyze the high elevation of overflow that occurs at the reviewed location and analyze the comparison between permanent and non-permanent flows of flood tide elevation in Way Sekampung watershed. The flood discharge values for the 10, 25, 50, and 100-year re-periods were 506.01 m3/s, 576.82 m3/s, 627.01 m3/s, and 675.20 m3/s, respectively. Meanwhile, in the hydraulic analysis, the high elevation of the flood water level of the unsteady flow was obtained from the results of the hydraulic analysis using the HEC-RAS V6.5 application at 10, 25, 50 and 100 years repeatedly, namely 177.57 meters, 179.63 meters, 183.86 meters, and 192.73 meters in the upstream part. In addition, in the downstream part, 95.49 meters, 97.53 meters, 101.28 meters, 106.52 meters were obtained for each re-period. and experienced overflow heights of 5.57 m, 6.54 m, 6.99 m, and 16.03 m during the 10-year, 25-year, 50-year, and 100-year periods. From the results of the research that has been carried out, it is concluded that in the upstream and downstream areas there will be no flooding because the flood water level is still lower than the high elevation of the left and right river banks.]]>
<![CDATA[Evaluation of the Safety of the Way Sekampung Bridge Against Extreme Flooding for the 50 Year Return Period ]]>
<![CDATA[Al Rasyid, Burhan Najib]]>;
<![CDATA[Purwadi, Ofik Taufik]]>;
<![CDATA[Tugiono, Subuh]]>;
<![CDATA[Zakaria, Ahmad]]>
<![CDATA[ Jurnal Teknik Sipil dan Lingkungan Vol. 10 No. 1: April 2025 ]]>
Publisher : <![CDATA[Departemen Teknik Sipil dan Lingkungan IPB ]]>
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DOI: 10.29244/jsil.10.1.87-96
<![CDATA[The purpose of this study is to evaluate the Sekampung Way Bridge, which is located on the Sumatra Cross Road on the border between Bumi Agung Village in Tegineneng District, Pesawaran and Mandah Village in Natar District, South Lampung, with coordinates 105°10'33.75"T 5°11'49.65"S, is in the process of being rebuilt to improve services to road users. In conducting a bridge planning study, river hydrological factors must be analyzed to take into account the flood level and vertical clearance, so that the bridge remains safe despite extreme flooding. According to the Highway regulations, permanent bridges are generally planned with a building life of 50 years, For rivers that do not carry drift, the minimum clearance value is 1.0 meter. Therefore, the hydrological analysis was carried out using the Nakayasu HSS method with a Q50 discharge of 426.96 m³/second in 2.7 hours. From the results of 1D and 2D hydraulic analysis using HEC-RAS version 6.4.1, it shows that the elevation of the flood water level with a 50-year re-period is at an elevation of +75.23 m to +75.38 m, while the base elevation of the Way Sekampung Bridge is at an elevation of +79.44 m. Therefore, the clearance of the Way Sekampung Bridge is 4.21 m to 4.06 m, so it can be concluded that this bridge is safe from flood risk with a 50-year re-enactment period, although the potential for flooding around the Way Sekampung river bridge area is large. This is due to the slope of the river around the location of approximately 2.5%.]]>
<![CDATA[Evaluation of Occupational Safety Performance Using Key Performance Indicators in Manufacturing Industrial Construction ]]>
<![CDATA[Prasetya, Dimas Ardi]]>;
<![CDATA[Dellarosa, Luvy]]>;
<![CDATA[Hidayat, Bayu Rahmat]]>
<![CDATA[ Jurnal Teknik Sipil dan Lingkungan Vol. 10 No. 1: April 2025 ]]>
Publisher : <![CDATA[Departemen Teknik Sipil dan Lingkungan IPB ]]>
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DOI: 10.29244/jsil.10.1.203-212
<![CDATA[Occupational Health and Safety (OHS) in work environments is crucial for optimal productivity. Work accidents affect productivity because they can reduce working hours and decrease productivity. The problem faced by a company is the absence of a Key Performance Indicator that explicitly considers the safety aspect. This study aims to determine and calculate the key performance indicator safety of KPIs and implement a correlation between work accidents and productivity. Key Performance Indicator data processing Safety consists of leading indicators for potential future events and lagging indicators for past accident data using the Safe T-Score method to determine the effect of accident rates on work productivity. The Key Performance Indicator calculation results for safety showed good performance, with a total actual value of 94.74%. The results show that the Safe T Score is 2.68 in 2022 and -1.61 in 2023, indicating little change in the occupational health and safety program. The results show a positive relationship between occupational safety and productivity; the fewer the accidents, the higher the productivity.]]>
<![CDATA[Using GPM and BMKG Satellite Rain Data for Compiling Intensity-Duration-Frequency (IDF) Curves in the Residential Area of Medan Marelan District ]]>
<![CDATA[Hanova, Yudha]]>;
<![CDATA[Sari, Kartika Indah]]>;
<![CDATA[Regina, Pramesti]]>
<![CDATA[ Jurnal Teknik Sipil dan Lingkungan Vol. 10 No. 1: April 2025 ]]>
Publisher : <![CDATA[Departemen Teknik Sipil dan Lingkungan IPB ]]>
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DOI: 10.29244/jsil.10.1.45-54
<![CDATA[Medan Marelan District is a densely populated residential area with an area of 4.20 km2. This area often experiences flooding, particularly during the rainy season. Flooding is caused by water resource infrastructure buildings that do not function optimally, so runoff is not distributed properly. This study aims to compile an IDF curve using Global Precipitation Measurement (GPM) satellite data and the Meteorology, Climatology, and Geophysics Agency (BMKG). The IDF curve informs the pattern and characteristics of regional rainfall so that it can be the basis for the planning and evaluation of water resource infrastructure buildings in residential areas. The compilation of the IDF curve started with the validation of the maximum daily rainfall data for 10 years (2014–2023) using the double mass curve method to ensure the consistency and accuracy of the rainfall data from the GPM and BMKG satellites. After data validation, a frequency analysis was performed to determine the probability distribution that matches the characteristics of the rainfall data. The statistical parameters analyzed included the average daily maximum rainfall, standard deviation, skewness, and kurtosis. Furthermore, the Goodness-of-Fit test using the Smirnov-Kolmogorov method was conducted to evaluate the suitability of the probability distribution (Normal, Log-Normal, Gumbel, or Log Pearson III) with the observed rainfall data. The best probability distribution was used to determine the return period rainfall intensity. The analysis results showed that the Log Pearson III distribution was the best distribution for rainfall in the Medan Marelan District. The IDF curve shows the pattern of rainfall intensity and duration for 24 h, with the peak of rainfall intensity and duration occurring in the 6th hour.]]>
<![CDATA[Development of Planting Media for Agricultural Land Prone to Waterlogging ]]>
<![CDATA[Sugiarto, Ari]]>;
<![CDATA[Syafriyandi, Debby]]>;
<![CDATA[Yovanda, Ridho]]>
<![CDATA[ Jurnal Teknik Sipil dan Lingkungan Vol. 10 No. 1: April 2025 ]]>
Publisher : <![CDATA[Departemen Teknik Sipil dan Lingkungan IPB ]]>
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DOI: 10.29244/jsil.10.1.35-44
<![CDATA[Waterlogging is a serious problem currently being faced in the agricultural sector. Climate change has increased the frequency of extreme rainfall events, which has increased the potential for agricultural land flooding. Therefore, innovations in planting media that can float during waterlogging are required. The purpose of this study was to create a planting medium based on simple automatic water flow and excess water control using a climate-based approach and plant water needs. The study stages were divided into three categories: climate data, planting media design and simulation, and field tests. The results of this study show that the design of planting media that considers plant water needs based on the amount of water lost can save water. The application of a drainage system on the side of the planting media prevented plant death in the planting media due to waterlogging, based on projections of an increase in extreme R-events. The use of plastic bottles in the design of the planting media was effective in providing buoyancy to the planting media during waterlogging. The developed planting medium is suitable for adaptation to agricultural land that is prone to waterlogging amidst the threat of the climate crisis that the world is currently facing.]]>
<![CDATA[The Design of A Canteen Organic Waste Management System Using Black Soldier Fly at Universitas Jambi ]]>
<![CDATA[Mutmainnah, Elma]]>;
<![CDATA[Jalius]]>;
<![CDATA[Hutagalung, Winny Laura Christina]]>
<![CDATA[ Jurnal Teknik Sipil dan Lingkungan Vol. 10 No. 1: April 2025 ]]>
Publisher : <![CDATA[Departemen Teknik Sipil dan Lingkungan IPB ]]>
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DOI: 10.29244/jsil.10.1.15-26
<![CDATA[Universitas Jambi adopted the Green Campus concept and joined the UI Green Metric as a commitment to environmental sustainability. One crucial step is the management of solid waste, particularly organic waste. In 2023, Universitas Jambi generated 835.7 kg of organic waste per day; however, its management at the Temporary Disposal Site remains suboptimal. This study aimed to measure the amount of organic waste from canteens in the Mendalo Campus area, evaluate the effectiveness of the Black Soldier Fly (BSF) method, and design a sustainable organic waste management system. The results show that the BSF method can reduce waste by up to 77.5%, with a Waste Reduction Index (WRI) of 5.16% and an Efficiency Conversion Degree (ECD) of 9.15%. BSF larvae have proven to be effective in processing various types of organic waste, making this bioconversion technique widely applicable at the Universitas Jambi. The proposed management system includes waste collection from sources, transportation, and processing using BSF to enhance the efficiency of organic waste management.]]>
<![CDATA[Mapping of Road Pavement Conditions on the Cikampak Cicadas to the Segog Pamijahan Road Section ]]>
<![CDATA[Rantelino, Owen]]>;
<![CDATA[Suharnoto, Yuli]]>;
<![CDATA[Sudibyo, Tri]]>;
<![CDATA[Sutoyo]]>
<![CDATA[ Jurnal Teknik Sipil dan Lingkungan Vol. 10 No. 1: April 2025 ]]>
Publisher : <![CDATA[Departemen Teknik Sipil dan Lingkungan IPB ]]>
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DOI: 10.29244/jsil.10.1.97-106
<![CDATA[Roads are one of the land transportation infrastructures that have a vital role in supporting community activities. Road damage is often encountered in various places. If left unchecked, handling road damage will cost a lot. The purpose of this study is to identify the type and extent of damage from road pavement and drainage in the study area, as well as determine handling recommendations for road pavement using the Bina Marga method. The method used is the Bina Marga method and the main output of this method is the value of the Priority Order (UP) and the recommendation for handling the observed road. The results of the study showed that the most common type of damage encountered at the study site was elongated cracks with a total area of 582.44m2, and lateral cracks were damages with the smallest total area, which was 6.27 m2. The value of road condition obtained from summing the number of damage in each segment showed that the condition value of 7 was mostly owned by the road segments at the research site, namely 18 segments, while the condition values 3 and 6 were only owned by 1 segment. Recommendations for handling the east side drainage were obtained as a result that 27 segments require routine maintenance, 18 segments require periodic maintenance and 10 segments require addition to the drainage system. The drainage on the west side was obtained as a result of 35 road segments requiring routine maintenance, 14 road segments requiring periodic maintenance and 6 road segments requiring addition to the drainage system. The recommendations for handling on the road were obtained as a result that 10 road segments require routine maintenance, 26 road segments require periodic maintenance and 19 road segments require improvement with the required handling costs of Rp 39,857,105, Rp 302,529,219 and Rp 1,719,020,425 respectively.]]>
<![CDATA[Criticality Analysis of Water Catchment Areas in Depok City, West Java ]]>
<![CDATA[Irsyad Syaifudin]]>;
<![CDATA[Saptomo, Satyanto K]]>;
<![CDATA[Pandjaitan, Nora H]]>
<![CDATA[ Jurnal Teknik Sipil dan Lingkungan Vol. 10 No. 1: April 2025 ]]>
Publisher : <![CDATA[Departemen Teknik Sipil dan Lingkungan IPB ]]>
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DOI: 10.29244/jsil.10.1.77-86
<![CDATA[The rapid development of Depok City has led to a high demand for the construction of facilities for housing and commercial areas. This can result in a decrease in water catchment areas, which can cause water shortages and flooding. The purpose of this study was to identify and create a map of water catchment areas using a geographic information system (GIS) and analyze the infiltration rate and cumulative infiltration in Depok City. The method used was spatial data extraction and spatial analysis of the condition of the water catchment area by scoring potential infiltration and actual infiltration. Spatial analysis was also performed by overlapping spatial data for water catchment area zoning. Infiltration measurement using a double-ring infiltrometer based on SNI 7752:2012. Infiltration rate analysis using the Horton model. The mapping results show that Depok City is dominated by slightly critical criteria, covering an area of 15,589.327 ha (77.98%), followed by conditions that are starting to be critical, covering an area of 4,146.347 ha (20.75%), and natural normal conditions, covering an area of 168,515 ha (0.84%). The highest infiltration rate was measured in Cipayung at 0.330 cm/minute, and the lowest was recorded in Cilodong at a rate of only 0.110 cm/minute. The smallest cumulative infiltration value was 15.744 cm/h, and the largest was 51.886 cm/h.]]>
<![CDATA[Improvement of the Shear Strength and Reduction of the Permeability of Sandy Soil using Soybean Crude Urease Calcite Precipitation (SCU-CP) ]]>
<![CDATA[Erizal]]>;
<![CDATA[N Annisa, Chika]]>;
<![CDATA[Putra, Heriansyah]]>;
<![CDATA[Apriadi]]>
<![CDATA[ Jurnal Teknik Sipil dan Lingkungan Vol. 10 No. 1: April 2025 ]]>
Publisher : <![CDATA[Departemen Teknik Sipil dan Lingkungan IPB ]]>
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DOI: 10.29244/jsil.10.1.27-34
<![CDATA[Calcite precipitation is a sustainable soil improvement method because it can increase soil strength and is environmentally friendly. This study aimed to evaluate the use of an innovative soil improvement method, namely soybean crude urease calcite precipitation (SCU-CP), in modifying the strength and permeability of sandy soil. Two types of reagents based on their purity, namely pro analysis (PA) and technical (technical grade), combined with two types of soybeans, namely seeds (conventional) measuring 0.1–0.5 mm and manufactured soybean powder measuring <0.1 mm, were used in this study as the main ingredients in the preparation of calcite. This research was conducted using various tests, including test-tube testing, soil characterization, compressive strength testing (UCS), and permeability testing. The results showed that the variation in reagent purity had no significant effect on the sand soil parameters. Technical and pro-analytical reagents can produce significant soil strength in soils with UCS values >50 kPa and reduce permeability by 50%. Meanwhile, soybean type is an important parameter affecting soil strength in the SCU-CP method. The smaller size of the soybean can lead to a large amount of soybean content in the SCU-CP solution, which affects the disruption of the calcination and bonding process in the soil. This study also showed that the variation in curing time had no significant effect on the soil properties. This study concluded that the particle size of soybean powder is an important factor in the SCU-CP method.]]>
<![CDATA[Utilization of HEC DSS and HEC SSP Software for Rainfall Frequency Analysis in Drainage System Design for City’s Industrial Area ]]>
<![CDATA[Rahayu, Diana]]>;
<![CDATA[Rizal, Risdiamon]]>;
<![CDATA[Chumaedi, Irpan]]>
<![CDATA[ Jurnal Teknik Sipil dan Lingkungan Vol. 10 No. 1: April 2025 ]]>
Publisher : <![CDATA[Departemen Teknik Sipil dan Lingkungan IPB ]]>
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DOI: 10.29244/jsil.10.1.179-192
<![CDATA[The analysis of designed rainfall frequency is a key input in various designing in the field of hydraulic engineering, such as floodplain mitigation, water structure construction, and flood inundation mapping. The calculation of rainfall frequency analysis still largely uses Microsoft Excel-based statistics that are calculated manually. The purpose of writing this article is to utilize HEC DSS and HEC SSP software in analyzing rainfall frequency at the measurement location. Measured rainfall data collected from the BMKG Hang Nadim rain station over the past 12 years has been inventoried in the HEC DSS and descriptions have been inputted in sections A to F. Then the data that has been input into HEC DSS will be integrated with HEC SSP. By plotting rainfall data at HEC SSP and running an analysis of the rainfall data, the rainfall frequency analysis at the measurement location was obtained. From running the HEC SSP with Normal, Log-Normal, Gumbel, and Log-Pearson III rainfall distributions, the distribution fit tests using the Kolmogorov-Smirnov method yielded the smallest error value for Log-Pearson III at 0.149 and for the Anderson-Darling method at 0.176. Therefore, the rainfall frequency analysis used is based on the Log-Pearson III rainfall distribution. Where the rainfall design values for return periods of 2, 5, 10, 20, and 50 years are sequentially 118.434 mm/day, 172.94 mm/day, 217.94 mm/day, 268.73 mm/day, 355.81 mm/day, and 442.90 mm/day. The rainfall frequency analysis results are used as input data to compute the flood discharge recurrence interval with the Rational methode. Using a flood discharge with a 10-year return period (Q10) and a concrete channel, the proposed drainage channel dimensions of 0.80 m and 1.20 m were determined.]]>
