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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 119 Documents
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Study of Tiu Kulit Dam Reservoir Operational Pattern Simulation in Sumbawa Island Putranto, Yoyok Dwi; Harisuseno, Donny; Prayogo, Tri Budi
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.v6i2.402

Abstract

Tiu Kulit Reservoir plays a pivotal role in managing water resources in West Nusa Tenggara, Indonesia, serving as a vital source for raw water, irrigation, and livestock consumption in the neighboring regions. This study aims to assess the operational dynamics of Tiu Kulit Reservoir across varying hydrological conditions, namely dry, normal, and wet years. The analysis is based on inflow rates and equilibrium water surface elevations. To achieve the objectives, an investigation of the reservoir's operation pattern was conducted. Inflow rates and equilibrium water surface elevations were scrutinized to discern operational behaviors under different hydrological scenarios. The findings indicate distinct operational strategies for Tiu Kulit Reservoir. During dry years, the outflow rate is restricted to 1.20 m3/s at a water surface elevation of +53.07 m. Conversely, the reservoir's operation in normal and wet years allows for a maximum outflow rate aimed at satisfying water demand, set at +57.00 m. In instances of excessive rainfall, the study highlights the potential for overflow beyond the spillway threshold. The study underscores the significance of these results for effective water management and resource allocation in the region. Understanding the reservoir's behavior under various conditions enables informed decision-making and sustainable utilization of water resources. To build upon this study, it is recommended to implement continuous monitoring systems for both inflow and outflow rates. Furthermore, the installation of rainfall monitoring stations within the catchment area would enhance data accuracy. Regular evaluations of the reservoir's operational patterns are also advised, allowing for adaptive strategies in response to evolving climate conditions. Moreover, future research endeavors should focus on augmenting water supply to meet the demands of a growing population and livestock, while optimizing agricultural practices to boost productivity.
An Alternative Model to Estimate Total Suspended Solids Concentrations using Landsat 8 Imagery in Indonesia Wijaya, Devy Risky Panji; Haribowo, Riyanto; Ball, James E.
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.v6i2.404

Abstract

A regular monitoring program of water quality is generally performed using a direct measurement method, which requires substantial efforts and resources. These issues can be minimised using several options, one of which is Landsat 8 (L8). This imagery has been broadly used to measure several water quality parameters, especially Total Suspended Solids (TSS) concentrations, even in Indonesia. This paper will compare several models from previous studies and a modified model generated using data from various sites. The comparison is based on their competencies to estimate TSS concentrations. The competencies are determined by the coefficient of correlation (r), correlation of determination (R2), and residual standard error (RSE) parameters as these three parameters are strongly correlated, generally applied, and provide distinctive determinations. The best model should have the highest r and R2 values, while the RSE value should be the lowest. The results imply that TSS model 4 generated in this study provides comparable results with TSS model 1, which has been generally used in Indonesia and provided favourable results. Thus, it can be an alternative model to estimate TSS concentrations in Indonesia.
Relationship Between Soil Physical Characteristics and Infiltration Rate of The Practice Area of SMK PPN Banjarbaru Fitriati, Ulfa; Rahman, Kholiq Malikur
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.v6i2.408

Abstract

The practice area for the Banjarbaru State Agricultural Development Vocational School (SMK PP N Banjarbaru) is located in Kemuning Village, South Banjarbaru District, Banjarbaru City, South Kalimantan Province. Regarding the land use in the research location, the majority is used for plantation land, which is one of the lands suitable for water catchment areas in Banjarbaru City. The Practice Land of PP N Banjarbaru Vocational School is one of the models of good catchment area land from good land use and irrigation systems. Conducted this analyze the infiltration rate and its influence on the physical properties of the soil. From the results of the infiltration test using a double ring infiltrometer which was then analyzed using the Horton method, the most considerable infiltration rate was in open land, namely 33.83 cm/hour, rubber plantations of 22.57 cm/hour, on palawija land it is 15.57 cm/hour and on mahogany land, it is 14.47 cm/hour. From the results of the analysis using the linear regression approach, the physical properties of the soil that can affect the infiltration rate include 16.7% bulk density, 75% permeability, and 90% moisture content. Meanwhile, particle density and porosity only affect 0.7% and 3.5%.
Sustainability Evaluation of the 'Batu Into Green' Village Based on the United Nation Sustainable Development Goals (SDGs) Sari, Hela Radika; Yusran, Yusfan Adeputera; Wulandari, Lisa Dwi; Santoso, Joko Triwinarto; Nordin, Jestin
Civil and Environmental Science Journal (CIVENSE) Vol. 7 No. 1 (2024)
Publisher : Fakultas Teknik Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.civense.2024.007.01.1

Abstract

Nowadays, environmental issues deserve everyone's attention. People can actually improve their surrounding environment to be healthier and more comfortable, started with their own houses. This idea realizes an ecology village named 'Batu Into Green', located in Pattimura V, Temas, in the City of Batu, Indonesia. Originally, this village was a slum, but with the initiation of the local village head and with the increase of local public awareness for a healthier environment, the locals improved the ecology of their village. 'Batu Into Green' applies to the concept of environmental friendly village. Thus, an analysis was carried out to examine the level of sustainability of this ecology village. This research applied a qualitative approach to descriptively evaluate the current condition of the village based on the principles of the United Nation's Sustainable Development Goals (SDGs). The focus of the SDGs in this discussion is Sustainable Cities and Communities (SDGs No.11). From the analyses, the 'Batu Into Green' initiative has a great potential for economic, social, and cultural sustainability
Comparison of Formwork use in Building X Project in Surabaya City Agriansyah, Eza; Suryo, Eko Andi; Arifi, Eva
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.v6i2.411

Abstract

The Value Engineering method is a method that analyzes the problems of a project through a systematic and organized approach by eliminating unnecessary costs without reducing the function, appearance, quality, and reliability of the project. The object x building, which has an estimated project value of IDR 42,812,329,371 in structural work. With the estimated value of the work costing a lot, it is, therefore, necessary to make efforts to streamline costs by using the value engineering method; this study aims to choose an alternative material for it. This research method uses a Pareto chart to find the highest work value. The results of this study indicate that the beam work is priced at IDR 15,088,457,899, floor plate work of IDR 12,530,471,281, column work of IDR 10,228,438,679. The results of the analysis of alternative structural calculations using semi-system formwork and full system formwork, which initially used conventional formwork, were simulated using alternative 1, namely semi-system formwork,k and by using alternative two full system formwork. The two alternatives are applied to column, beam and floor plate formwork. So, for this building, it is recommended to replace formwork because the conventional formwork used in this building incurs a large enough price, it is necessary to save on beam parts, and it is recommended to use full system formwork because the cost of beam formwork using full system formwork is IDR 134,950 per square meter. For the floor plate formwork, it is recommended to use a full floor plate formwork system because the cost per square meter is IDR 202,360. And for columns, it is recommended to use full system formwork because the cost of column formwork if using full system formwork is IDR 115,290. And from the use of all the full-system formwork for structural work, a total cost of IDR 40,312,992,291.32.
Wave Transformation Pattern in Submerged Breakwater Planning with 2D Wave Model at Mengening Beach, Badung Regency, Bali, Indonesia Damayanthi, I Dewa Ayu Meia; Eryani, I Gusti Agung Putu; Bagiarta, I Ketut Yasa
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.v6i2.412

Abstract

Mengening Beach is located in Badung Regency, Bali, Indonesia. The average erosion rate in Badung Regency is 1.96 m/year, so the right plan is a submerged breakwater to reduce wave energy coming to the beach, which causes erosion. This building artistically does not lessen the beauty of the beach and sea because it’s below the sea mean sea water level (MSL). Because the beach is a tourist area, it is essential to maintain the beauty of the beach. Two-dimensional wave modeling uses the CMS Wave model on SMS software version 10.1 with two modeling scenarios: before and after there is a submerged breakwater. The two-dimensional wave results show that the submerged breakwater plan can dampen waves in the building placement area, which was initially 1.3 m-1.4 m high to 0.9 m-1.3 m, so this submerged breakwater plan can reduce waves by 10%-40%. From this research, readers can learn how to plan a submerged breakwater and know the performance of the planned breakwater function at Mengening Beach.
BIM Implementation for Storing, Sharing and Capturing Knowledge in Indonesian Project Construction Utama, Singgih Fitra; Negara, Kartika Puspa; Wijatmiko, Indradi
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.v6i2.414

Abstract

BIM as a digital representation of assets has been used to facilitate design, construction, and operation process to form a reliable basis for decisions. While knowledge is part of the company's assets, knowledge will be maintained in the system so that it may be recalled if needed if BIM is used to document, store, and distribute knowledge more easily. This study will determine how BIM adoption supports knowledge storage, knowledge share, and knowledge capture in Indonesian construction projects. Data was obtained by interview and analysed using qualitative method. The results showed that large state-owned construction companies in Indonesia had implemented BIM-based knowledge management to assist organisational knowledge management process, especially in knowledge capture, storage and share on several projects, and reduce knowledge loss due to time lapse. Finding also shows that knowledge created in a project is centralised in one model, and lessons or knowledge can be grouped with BIM user preferences.
Landak Industrial Park (LIP) Development Strategy Sagala, Tanty N. J.; Surjono; Antariksa; Sari, Indah Cahayaning; Dzvimbo, Munyaradzi Admire; LeaBarrett, Janine
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.v6i2.418

Abstract

Landak Industrial Park (KIL; Kawasan Industri Landak) is a national strategic project for Industrial Estates in West Kalimantan and is included in the List of 14 Priority Industrial Estate Developments Outside Java Island in the 2020-2024 National Medium-Term Development Plan (RPJMN; Rencana Pembangunan Jangka Menengah Nasional). The construction of KIL is experiencing delays, and to prevent the project from stalling, the main sources of industrial growth are new investment and increased utility from the current capacity. This study’s approach is both qualitative and quantitative. The analysis technique used is SWOT analysis using Internal Strategic Factor Analysis Summary (IFAS) and External Strategic Factor Analysis Summary  (EFAS), developed using spatial analysis techniques from the concept of economic aggregation, which then generates value propositions and makes them the basis of a marketing strategy that includes market segmentation (segmenting), setting market targets (targeting), and creating a unique position (positioning). The result is from the SWOT analysis. KIL is in the turnaround quadrant, a position with a strategy of maximizing opportunities because it has major internal weaknesses. The geographical reach of other economic groups or business clusters that are quite close together is a trigger for the development of KIL. Scenarios from the KIL development strategy are expected to support strategic business decisions.
Analysis of Wanggu River Sedimentation Due to Land Cover Change using ArcSWAT and its Alternative Control Hariyanto, Andri Kwin; Sisinggih, Dian; Andawayanti, Ussy
Civil and Environmental Science Journal (CIVENSE) Vol. 7 No. 1 (2024)
Publisher : Fakultas Teknik Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.civense.2024.007.01.2

Abstract

The downstream Wanggu watershed is located in Kendari City, the capital of Southeast Sulawesi Province, with an area of 329.59 km2. So it is very important to arrange the right space. In this research, an analysis of the impact of changes in land cover on sedimentation levels will be carried out, as a basis for considering space utilization so as not to exceed the carrying capacity of the watershed. The analysis method uses the Arcswat application, and land cover changes using comparative data for 2001, 2006, 2009, 2014, and 2020. One of the obstacles in land cover classification is the presence of clouds that cover part of the image. In this research, Google Earth Engine (GEE) is used which will automatically process historical data so that areas covered by clouds are replaced with images that are clear of clouds. The research results show that agricultural land cover has the greatest influence, and overall the watershed shows accumulated sedimentation of 2,515,409.90 tons or a rate of 76.40 tons/ha for land cover in 2001 and sedimentation of 2,808,683.45 tons or rate 85.31 tons/ha. for land cover in 2020.
Safety Factor and Settlement Analysis of Borepile Foundation in Warmadewa Gianyar Hospital Building Sinarta, I Nengah; Wisnawa, I Putu Gede Dharma; Sumanjaya, Anak Agung Gede
Civil and Environmental Science Journal (CIVENSE) Vol. 7 No. 1 (2024)
Publisher : Fakultas Teknik Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.civense.2024.007.01.3

Abstract

Building structure planning must be distinct from foundation structure planning. The foundation plays an important role in transferring building loads to the ground. The Warmadewa Gianyar Hospital building consists of 5 floors with a building area of 8323. 471 m2 on a granular soil location where there are three layers of soil types, namely sandy silt soil, silty sand, and sand mixed with rock grains. The Borepile foundation is installed at a depth of 12 m with an N SPT value of 60. This building carries dead loads, live loads, rain loads, wind loads, and earthquake loads. This building will use a bore pile foundation by modeling bore pile piles in GEO5 software to obtain safety factor values and installed reinforcement. Based on the analysis results, the pile diameter used is 450 mm and has a length of 12 m. The analysis obtained the carrying capacity with a safety factor of 2.1> 2 and a maximum settlement of 4.77 mm.

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