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Riyanto Haribowo
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Badan Penerbitan Jurnal Fakultas Teknik Universitas Brawijaya Jln. MT. Haryono No.167, Malang, Jawa Timur – Indonesia, 65145 Telpon. (0341) 587710 / Fax. (0341) 551430
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Civil and Environmental Science Journal (CIVENSE)
Published by Universitas Brawijaya
ISSN : -     EISSN : 26206218     DOI : https://doi.org/10.21776/ub.civense
Core Subject : Social, Engineering,
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Environmental Science
Civil and Environmental Science Journal (Civense) is an international journal, peer-reviewed research publication covering new concepts, theories, methods, and techniques related to science and engineering. The journal will cover, but is not limited to, the following topics: 1. Structural engineering 2. Construction management 3. Environmental engineering 4. Water resources and hydrologic engineering 5. Geotechnical engineering 6. Information technology 7. Coastal and harbor engineering 8. Surveying and geo-spatial engineering 9. Transportation engineering 10. Tunnel engineering 11. Construction materials
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 88 Documents
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Improving the quality of toll Road services to increase satisfaction level of Pekanbaru – Dumai toll road
Civil and Environmental Science Journal (CIVENSE) Vol. 6 No. 1 (2023)
Publisher : Fakultas Teknik Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.civense.2023.00601.4

Abstract

Pekanbaru - Dumai toll road is one of the segments of the Trans Sumatra toll roads built by PT Hutama Karya. The Pekanbaru - Dumai toll road connects economic centers in Riau Province, including Dumai-Duri-Kandis-Petapahan-Minas-Pekanbaru. On the Pekanbaru-Dumai toll road, problems with service quality were found. This research has two objectives: to analyze the quality of service and level of satisfaction of the toll road users assessed from the toll road users. The second objective is to formulate referral recommendations to fix and improve the quality of toll road services in terms of the needs and expectations of toll road users. This study employs IPA analysis to identify the degree of performance and the level of importance of service qualities, CSI analysis to determine the level of satisfaction of toll road users, and QFD analysis to define the development priorities for the Pekanbaru-Dumai toll road. The results of this study obtained that the satisfaction level of the Pekanbaru-Dumai toll road was 0.63, with the category quite satisfied. The priority is toll road surface maintenance regularly, the second priority is toll road lighting facility maintenance regularly, the third priority is toll road safety facility maintenance regularly, the fourth priority is to improve rest area facilities, the fifth priority is to expand parking in the rest area, and the absolute priority is to enforce electronic fines or (e-ticket) for traffic violations.
The evaluation of GPM IMERG v.06 rainfall product over the Lau Simeme Watershed in Indonesia
Civil and Environmental Science Journal (CIVENSE) Vol. 6 No. 1 (2023)
Publisher : Fakultas Teknik Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.civense.2023.00601.5

Abstract

In Indonesia, rainfall is still significant spatially and temporally. In order to gain optimal results from utilising water resources, we have to ensure that the precipitation data is provided in good quality and quantity. Several spatial rainfall measurement sources have become available in recent years, such as GPM data (Global Precipitation Measure). In this study, the GPM IMERG V.06 product was evaluated using rain gauge measurements in the Lau Simeme watershed in North Sumatra Province, Indonesia. The relevance of the GPM IMERG was tested by direct comparison with observations at different time scales (daily, monthly, annual and seasonal) between 2005 and 2019. Results show that the satellite product provides poor rainfall estimations at the daily and annual time scales. However, the accuracy of GPM IMERG Final datasets is improved when temporally average to monthly timescale (R2 of 0.728, RMSE of 68.318 mm and NSE of 0.725), wet seasonal time scale (R2 of 0.673, RMSE of 79.287 mm and NSE of 0.658) and dry seasonal time scale (R2 of 0.947, RMSE of 20.356 mm and NSE of 0.924).
Evaluation of accessibility commuter-line station with jitney transportation modes by using GIS application: a case study of Depok Station
Civil and Environmental Science Journal (CIVENSE) Vol. 6 No. 1 (2023)
Publisher : Fakultas Teknik Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.civense.2023.00601.6

Abstract

This research aims to evaluate the aspects that can increase the Station's service area by maximising the integrated Jitney as the other public transportation modes that can increase reachability for the people near the Station. Evaluating the accessibility of some stations in the Depok area is needed to identify the infrastructure upgrading priorities, such as providing pedestrian roads and giving better access to the Station to increase the Station's service area. The methodology used in this research is analysing method using a GIS application to assess and discover the pattern of travel behaviour for public transport in the Depok municipality area. The GIS Database Design in this research uses the Spatial Database and Attribute Database, which are integrated with the QGIS application to become Maps for the service area of public transportation in the Depok Municipality. The road network in Depok municipality is dominated by the jitney route as intracity public transportation, which travels on the arterial and collector road. Then the railway is located in the central area of Depok that stretches from South to North. There are some areas that do not have access to jitney services due to this residential area being far from the arterial and collector road travelled by Jitney. Looking at its planning for jitneys in the Depok area, the availability of jitneys follows the demand of the passenger population, and there are no travel analyses from the Transportation Department of Depok Municipality or local public transport organisations (ORGANDA) as private jitney operators. The ineffective jitney route planning is the other reason that there are some uncovered residential areas from public transport access. Subsequently, there are different travel time characteristics among four commuter line stations in the Depok Municipality area. The Citayam and New Depok Stations have wider access for pedestrians which these two stations have a more extensive service area than Old Depok Station, whereas Old Depok Station has restricted access to the west area of this Station. The rearrangement of the Station access is needed, especially for Old Depok Station, by adding road access on the west side to increase the service area of the Station.
Distribution service performance optimization of PDAM Tirta Taman Bontang City East Kalimantan Province
Civil and Environmental Science Journal (CIVENSE) Vol. 6 No. 1 (2023)
Publisher : Fakultas Teknik Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.civense.2023.00601.7

Abstract

To achieve the level of service performance from PDAM Tirta Taman Kota Bontang, obtained based on user perceptions of PDAM Taman Tirta obtained from the results of a questionnaire with a Likert scale using the Importance Performance Analysis (IPA) method. From the IPA analysis results, interviews were conducted using the Strength, Weakness, Opportunities, Threats (SWOT) method. The results of the IPA analysis were used in quadrant I, namely service to the registration process (x11), the survey of prospective customer locations (x12), time of survey implementation (x13), Payment orders before installation (x15), Notice the length of the installation process (X15). Registration up to installation (X16), the supplied water meets health standards, attributes (X21 ), the quality of the supplied water (color, smell, taste) (X22), report to PDAM Tirta Taman if there is a disturbance or it doesn't work smoothly (x 33 ), the duration of handling the damage house connection (x 43 ), customer or prospective customer database of PDAM Tirta Taman (x 71 ). Then the SWOT quadrant matrix with the SO ( Strengths-Opportunities ) strategy, namely development with IT and social media Periodic pipe rejuvenation to avoid pipe leaks that can affect quality, Providing Customer Service via WhatsApp for service notifications, disruptions and payment orders, Issuing SOPs new and regular schedule for maintenance. Continue to perform security updates on the database storage system. Use official forms for prospective customers interested in installing a new connection. Keywords: PDAM Taman Tirta, Validity Test, Reliability Test, Service Performance, Importance Performance Analysis, SWOT
Lanting House preservation based on river culture in Sasirangan Village, Banjarmasin
Civil and Environmental Science Journal (CIVENSE) Vol. 6 No. 1 (2023)
Publisher : Fakultas Teknik Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.civense.2023.00601.8

Abstract

The shift in time has brought about changes that clearly leave the cultural identity of the archipelago. Sasirangan Village is one of the villages located in the middle of Banjarmasin City. This village still has a strong atmosphere, especially in the diversity of architecture in the area. River culture is still visible in this village, both for daily needs and also land for housing, namely Rumah Lanting. There are 3 Lanting houses in Sasirangan Village. The lack of a number of Lanting Houses left at this time raises a concern that there is a threat of extinction from cultural heritage. In this case, it is necessary to have a study of the architectural concept of the Lanting House to determine the right steps in preserving the Lanting House. The results of this study found that the right effort to preserve the Lanting House in Sasirangan Village was a revitalization effort that did not require material replacement and developed it as a Sasirangan gallery or souvenir shop that supports local wisdom and the identity of Sasirangan Village.
Prediction of changes in land use/land cover and hydrological response in the Upper Ciliwung Watershed
Civil and Environmental Science Journal (CIVENSE) Vol. 6 No. 1 (2023)
Publisher : Fakultas Teknik Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.civense.2023.00601.9

Abstract

As a result of rapid urbanization, in 2021, it was recorded that the forest area in the Upper Ciliwung Watershed was only a quarter of the total area. Therefore, the Upper Ciliwung Watershed cannot optimally perform its hydrological functions. One of the reasons for conducting this research is to provide consideration in calculating the adequacy of the forest area in the Upper Ciliwung watershed. In addition, this research was also conducted to estimate the discharge and volume of water, the trend of land use change in the Upper Ciliwung watershed in the last few decades, what might happen in the future if land use change continues, and how much influence it will have in maintaining forest areas that exist in minimizing the risk of future disasters occurring due to the high rate of development. This study combines remote sensing technology and hydrological modelling to understand changes in hydrological characteristics when LULC transformed from 2001 to 2051. The spatial-temporal dynamics of LULC and its hydrological response were estimated using an integrated approach that combines remote sensing, Cellular Automata-Markov Chain based on Multi-Layer Perceptron with an HEC-HMS modelling system. Multitemporal satellite imagery is used to understand LULC changes and projections for 2031 and 2051 in the Upper Ciliwung watershed. The analysis shows that there has been a very significant increase in the developed area over the years. In contrast, other types of LULC have decreased. In 2001-2051, the forest area experienced the worst decline, 22,423,493 m2. Meanwhile, the developed area experienced a significant increase of 49,771,952 m2. This changing pattern has a negative impact on hydrological characteristics. Hydrological modelling shows that the volume and discharge are projected to increase drastically to reach 258.61 x 106 m3 and 26.3 m3/s, respectively, in 2051.
Dynamic analysis of reinforced concrete plate resting on elastic foundation using state space method and refined plate theory
Civil and Environmental Science Journal (CIVENSE) Vol. 6 No. 1 (2023)
Publisher : Fakultas Teknik Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.civense.2023.00601.10

Abstract

This paper studies the dynamic response of rectangular reinforced concrete plates on an elastic foundation by state space method. The system of differential equations of vibration of the plate is developed by using Hamilton's principle. With a single-link rectangular plate, the displacements are represented through a double trigonometric series. Use the state space method to find the plate vibrational responses. The calculation examples are performed to calculate the displacement and stress of the plate with different structural parameters, thereby evaluating the influence of these parameters.
Analysis of Made Lamongan Residential Drainage System Using SWMM (Storm Water Management Model) and HEC-RAS (Hydraulic Engineering Centre-River Analysis System) Models
Civil and Environmental Science Journal (CIVENSE) Vol. 6 No. 2 (2023)
Publisher : Fakultas Teknik Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/civense.v6i2.396

Abstract

Made Lamongan Residential is located in an area that has a flat slope and is flanked by two rivers Kali Mengkuli and Kali Gorok, the problem in the study area is that the drainage system is unable to serve rainwater runoff. This is evidenced by the occurrence of inundation during the rainy season with high intensity. The height of the inundation that occurs in the Residential complex ± 60 cm with a reduction in inundation of more than 12 hours. The calculation results showed that there were several sections of the channel that occurred runoff with a planned Q5 flood discharge of 8.14 m3/sec. Based on the results of surveys in the field, many channels were found that had changed their dimensions due to the renovation of residents' houses. In this study, 1D channel hydraulic modelling was carried out using SWMM and HEC-RAS software to obtain a model that was close to the surface runoff conditions at the study site. The purpose of this study is to obtain the greatest handling of inundation in Made Residential in reducing the height of the inundation based on the model to be carried out, as well as obtaining the value of model calibration at the study site.  
Assessment of Water Supply System Performance Indicators Based on the Customer Bill-Based Approach
Civil and Environmental Science Journal (CIVENSE) Vol. 6 No. 2 (2023)
Publisher : Fakultas Teknik Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/civense.v6i2.400

Abstract

Significant efforts have been undertaken over the last two decades by governmental organizations and local and international non-governmental sectors to improve water supply and sanitation structures; however, there are significant challenges to the town's growth and expansion. Chiro town's population is increasing, and the community is affected by water and excreta-borne diseases as a result of a lack of proper sanitation facilities and a water supply system. In this study, billed data from Chiro Town water supply service enterprise customers have been used to assess the performance of the water distribution network over ten years (2011-2020). The findings show that the Town's water coverage is 62.9%, the water demand is 8,121.6m3/day, and the computed annual water production is 4,222.3m3/day. Residents of the town have complained about a lack of access to improved drinking water supplies, low water consumption, and sanitation facilities, particularly in the community of those who live in the town's borders and practice open defecation. For all domestic use, 16.32% and 83.68% of respondents used unprotected and protected water sources, respectively. This study suggested that strong sectoral coordination, community involvement, and sufficient financial resources were required to identify the root causes and provide an efficient water supply system in the study area.
Speed, Density, and Crash Relationship in Urban Arterial Roads
Civil and Environmental Science Journal (CIVENSE) Vol. 6 No. 2 (2023)
Publisher : Fakultas Teknik Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/civense.v6i2.401

Abstract

Vehicle speed has an essential role in the occurrence of traffic accidents. Increasing the number of vehicles operating on the road will further increase the risk of traffic accidents because it is not balanced with discipline in driving. This study's purpose is to analyze the relationship between speed and traffic accidents that occurred in Gadjah Mada and Hayam Wuruk Road, Jember, through several variations of calculations. The independent variables used are average speed and 85th percentile speed and density, while the dependent variable used is the accident rate. The analysis used is a correlation test that determines the level of closeness of the relationship between the two variables and a regression test that helps estimate the relationship between the two variables through a regression equation model that will be selected based on conditions in the field. The results of this study indicate that lower speed is associated with a lower accident rate. Meanwhile, lower vehicle density leads to an increase in the accident rate. Speed management to improve traffic safety in Indonesia is needed. Direction for future research is presented.

Page 8 of 9 | Total Record : 88

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