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Jurnal Infrastruktur
Published by Universitas Pancasila
ISSN : 24769339     EISSN : 25409212     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Transportation
Jurnal Infrastruktur merupakan jurnal yang dikelola oleh Program Studi Teknik Sipil Universitas Pancasila dengan nomor ISSN 2476-9339 dan E-ISSN 2540-9212 Jurnal Infrastruktur diterbitkan secara berkala 2 (dua) kali dalam 1 (satu) tahun, yaitu pada bulan April dan Oktober. Fokus dan ruang lingkup Jurnal Infrastruktur adalah pengembangan Infrastruktur dalam bidang: Struktur; Manajemen Konstruksi; Geoteknik; Keairan; Transportasi, Pengembangan Wilayah dan Kota.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 152 Documents
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Search results for , from "2017" : 152 Documents clear
FAKTOR PENYEBAB PEMBENGKAKAN BIAYA YANG BERPENGARUH TERHADAP BIAYA AKHIR PADA PROYEK KONSTRUKSI GEDUNG Meassa Monikha Sari; Tb. Sofwan Hadi; Aldiansyah
Jurnal Infrastruktur Vol 6 No 1 (2020): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/infrastruktur.v6i1.1335

Abstract

During the implementation of project construction, there were frequently problems arising come from many kind of factors. Therefore implementation of project construction is not only delay but also apprear a huge loss or a cost overrun. The research aims to identify which factors are the cause of the cost overrun that affects the final cost of the construction project, as well as to determine how the relationship and influence of the factor affects the final cost. The data collected in this research is by spreading the questionnaire to the labors in 4 building construction projects in Tangerang, Banten. Data processing is done using SPSS 23 program. Based on the results of the data processin, here is the order of factors that cause cost overrun: a. Bad weather that affects the decline in worker productivity; b. the available project drawing information is inadequate/incomplete hence there were many jobs should be repeated due to defects/false (poor quality); c. the job delays frequently and there were earthquakes, landslides and forest fires have been temporarily suspended; d. the job scope information is incomplete; e. the imprecision of estimation and often changes in scope of work/implementation. There is a very strong relationship between the factors causing the cost overrun to the final cost with a pearson correlation value 0.813 and a substantial influence of 65.3% of the cost overrun factors of the project's final cost.
KELAYAKAN FINANSIAL NEAR ZERO ENERGY BUILDING DENGAN PERATURAN KEMENTERIAN ENERGI DAN SUMBER DAYA MINERAL NO. 49 TAHUN 2018 MENGENAI INSENTIF ENERGI TERBARUKAN Ario Bintang Koesalamwardi; Andre Eldrian; Irene; Wellie Tjahyadi
Jurnal Infrastruktur Vol 6 No 1 (2020): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/infrastruktur.v6i1.1421

Abstract

The construction industry and building are responsible for more than 35% of the world's energy consumption and produces almost 40% of greenhouse gas emissions such as CO2. The CO2 emissions come from building energy consumption where more than 65% of them is still generated from fossil fuels. Net Zero-Energy Building (NZEB) is a building system that has high energy efficiency and can generate electricity on-site from renewable energy sources, thereby reducing the operational costs of the annual electricity bill significantly in its whole life cycle. This design concept will add initial construction costs for the application of energy-efficient designs and renewable energy generation systems in buildings. The financial feasibility of a building with this design is measured by a Life Cycle Cost analysis method that also takes into account operational costs over its whole life cycle. Renewable energy incentives are an important factor in financial feasibility analysis because these incentives directly reduce the operational costs (annual electricity costs) of buildings. The Ministry of Energy and Mineral Resources (ESDM) has issued new regulations regarding the amount of incentives given to building owners who install renewable energy generators i.e. Photovolvtaic (PV) panels. There needs to be a study of the financial impact of the issuance of this new regulation on the financial value of NZEB as a whole building system that is integrated with energy generation from PV Panels, especially residential buildings. The purpose of this study is to compare the financial feasibility of NZEB using 2013 regulations, with Ministry of Energy and Mineral Resources Regulation no. 49 of 2018, in dense residential buildings with NZEB design concept. This research concludes the nZEB design is more financialy feasible under the 2013 renewable energy incentive regulation than the 2018 regulation.
LOCAL COMMUNITY PERCEPTION ABOUT THE PLANNING AND DEVELOPMENT OF TOURISM DESTINATIONS IN KEPULAUAN SERIBU REGENCY JAKARTA Fahrurozy Darmawan
Jurnal Infrastruktur Vol 8 No 1 (2022): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/infrastruktur.v8i1.2933

Abstract

Kepulauan Seribu Administrative Regency, which one of the National Tourism Destinations, continues to transform into a leading tourist area in Indonesia. The development of tourism in this area also has an impact on social and economic life. Planning and developing tourism that does not place the local community as the main actor also affects the understanding of the community. This study tries to identify the local community's perception of the planning and development of Priority Tourism Destinations in the Thousand Islands Regency, DKI Jakarta and the socio-cultural impact of tourism in the area. This study uses data collection techniques through observations at the destination and explores the informants and resource persons. The study results found that public understanding of tourism planning and development in the Thousand Islands Regency is still lacking. This problems arises due to a lack of communication between stakeholders, both central/regional government, private sector and local communities..
PERENCANAAN POTENSI SUMBER DAYA KALI CIBEUTEUNG UNTUK EKOWISATA ARUNG JERAM Studi Kasus: Kali Cibeteung Desa Putat Nutug dan Kuripan, Ciseeng, Bogor, Jawa Barat Prima Jiwa Osly; Fulki Dwiyandi Araswati; Akhmad Jarkasi Matondang; Daral Suraedi; Aryoseno Putra Wahyu; Okeu Aziz Maulana
Jurnal Infrastruktur Vol 8 No 1 (2022): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/infrastruktur.v8i1.2954

Abstract

Cibeuteung River is one of the rivers that is used as a tourist destination. The Cibeuteung River is a potential natural resource that can be developed as an ecotourism object and attraction. So this study aims to determine the identification of the potential of Cibeuteung river resources for rafting ecotourism, which is focused on knowing the characteristics of the rafting path, river slope, water discharge, river width and accessibility. This research uses survey method. Data was collected by using field observation and documentation techniques. Data analysis with descriptive analysis. The results showed that the river rafting route in Cibeuteung River has a river width of about 68 m to 98 m, a river slope of 0.5% to 0.3%, with a maximum discharge of 169.79 m3/s and a minimum of 26.03 m3/s. s in the dry season. Based on time, the starting point of the white water rafting route is 30 km (55 minutes) from downtown Bogor and 19 km (53 minutes) from downtown Depok. As well as from the analysis results Cibeuteung River has a start and finish point location that is easily accessible.
THE EVALUATION OF PEDESTRIAN FACILITIES IN UNIVERSITAS PANCASILA AREA Nuryani Tinumbia; Wita Meutia; Gunawan Suryaatmaja
Jurnal Infrastruktur Vol 8 No 1 (2022): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/infrastruktur.v8i1.2957

Abstract

The campus area has a potential to generate pedestrian trips for relatively close trips such as access between buildings or faculties. Then the provision of adequate pedestrian facilities in this area is important, moreover this is also one of the indicators in the UI Green Metric assessment. This study aims to determine the existing condition of pedestrian facilities in Universitas Pancasila educational area through an assessment developed by ADB with nine walkability parameters, to determine the perceptions of pedestrians on the quality of the facilities and to provide recommendations based on research results for improving the quality of pedestrian facilities in the campus area. The survey was conducted by distributing online questionnaires and an inventory survey of pedestrian facilities. The result indicates the presence of pedestrian facilities is sufficient, although some improvements are needed in several paths. The proposed improvement recommendations are improving disability facilities and pedestrian paths (the availability and its maintenance), adding crossing facilities and removing barriers on paths.
IDENTIFICATION OF IRRIGATION CHANNELS USING LIDAR DRONE TECHNOLOGY USING OBJECT-BASED IMAGE ANALYSIS METHOD (OBIA) Erlyna Nour Arrofiqoh; Ni Putu Praja Chintya; Waljiyanto
Jurnal Infrastruktur Vol 8 No 1 (2022): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/infrastruktur.v8i1.3090

Abstract

Irrigation infrastructure is a facility structure that can support all activities related to irrigation. The existence of irrigation infrastructure that can function optimally and effectively, especially to meet agricultural water needs can increase agricultural productivity. Maintenance of irrigation infrastructure is one of the efforts to protect food agricultural land and can sustainably support the national food security program. Monitoring of the condition of assets that support the function of the irrigation network infrastructure on a regular basis needs to be carried out. Monitoring the physical condition of irrigation canals plays an important role because irrigation canals are a sustainable system for supplying water to many agricultural areas. In addition, irrigation canals can also function to protect agricultural crops from flooding and inundation due to excess water. Unmanned aerial vehicle or drone technology can be an alternative to monitoring irrigation channels. High-resolution images obtained from this technology can provide clear results with a high level of detail. Besides being able to carry camera sensors, the addition of LiDAR sensors on drones can add important information about physical conditions for the benefit of monitoring irrigation canals. This study was conducted to determine the potential of LiDAR drones for identification of irrigation canals that have several dimensions. The method used in this study uses analysis with OBIA (Object Based Image Analysis). The addition of information from LiDAR can increase the accuracy for identification of irrigation canals in orthophoto images with a resolution of 8 millimeters.
Sifat-Sifat Kekuatan Tarik Belah Beton Kuat Normal Berdasarkan Jenis Beban dan Ukuran Spesimen Silinder INyoman Merdana; Fathmah Mahmud
Jurnal Infrastruktur Vol 8 No 1 (2022): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/infrastruktur.v8i1.3150

Abstract

Various size of Concrete cylinder come across often in any project site and the most simple and common method in obtaining the tensile strength of concrete is Splitting test. This study is to find out the influence of concrete cylinder size and loading type on behavior of splitting tensile strength of normal weight concrete. In this study height-diameter ratio h/d, Wide of load spreader t - radii of concrete cylinder r ratio (t/r) and diameter of the concrete cylinder as well are considered as variables. The current study was experimentally focused on behavior of Splitting Tensile strength of normal concrete. Specimens were concrete cylinder having compression strength f’c=25MPa and mix proportion was constant, namely 1:2:3 of cement-sand-crushed stone by volume with a constant water-cement ratio of 0.45. Cylinder depth to diameter ratios of the specimens was varied between 1 and 3. Data collected indicate that the wider the load spreader the higher the splitting tensile strength of the concrete. This is presumably due to changes in the load pattern from line-loads to evenly distributed-loads, and this phenomenon needs to be explored further. The load applied on the concrete specimens with wide spreader have a likelihood to be distributed one. Splitting tensile strength rises nonlinearly as the t-r ratio increase. The smaller the diameter of the specimens, the higher the splitting tensile strength gained
PERFORMANCE OF PUBLIC TRANSPORTATION BUS SERVICES IN MAMUJU CITY THROUGH THE COVID-19 PANDEMIC Akbar Saudi; Nur Fitrah Muslihah
Jurnal Infrastruktur Vol 8 No 1 (2022): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/infrastruktur.v8i1.3169

Abstract

Interactions that occur between traffic components, namely, humans, vehicles, and roads, can cause transportation problems when not arranged properly. Examples of problems that can occur when there is an imbalance between supply and demand between these components. In this Covid-19 era, transportation is one of the biggest spreads of the virus. This resulted in a significant decrease in revenue for passenger transport. The method used is a quantitative method. The process of collecting primary data from the observations of the research object is carried out directly based on the parameters that have been determined. Freight Service Frequency, Stop Time, Number of Operating Vehicles, Load Factor, Transport Travel Duration, Time Between Vehicles, Transport Service Time, and Operational Speed are the parameters used in evaluating the performance of public transportation services. The results of this study generated that the operational performance of the Bintang Timur bus had an average load factor of 48.23% with the capacity of AKAP public transport buses, especially the Bintang Timur buses, which was 18 seats. Then the average bus speed is 42.84 km/hour, then the frequency value is 1 vehicle/day this happens because the average headway value for the Mamuju-Makassar terminal route is 11 hours. Then the average service time is from 20.00-06.00 WITA with the average travel time of the Bintang Timur AKAP bus in each segment is 43.44 km/hour, and for the results of the effectiveness of the health protocol rules at the terminal already comply with the rules, then the protocol rules If the bus does not comply with these rules, it can be categorized as a bus, it is enough to comply with the health protocol rules.
KAJIAN HIDROGRAF BANJIR DAERAH ALIRAN SUNGAI TANJUNG PARAK PADA PEMBANGUNAN EMBUNG PULAU TIGA Mashuri; Miskar Maini; Aulia Hidayat Burhamidar
Jurnal Infrastruktur Vol 8 No 1 (2022): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/infrastruktur.v8i1.3186

Abstract

The Purpose of construction the reservoir to control flood and rainwater reservoir . In Rainy Season, Pulau Tiga Village always flood due to overflow of the Tanjung Parak river and at dry season, people have difficulty getting raw water. For this reason, it is necessary to build reservoir as an effort to control flooding and water absorption especially in rainy season and as rainwater reservoir to demand raw water people.The reservoir planning requires the study of the flood hydrograph in the Tanjung Parak Watershed using the synthetic unit hydrograph method. The SCS, Nakayasu, and ITB-1 method were used in flood hydrograph analysis. The performance of all HSS modeling are very good and qualified based on volume control value/ direct runoff (dro) is close to 1 where the HSS SCS method is 0,99891 with volume 749,18 m3, the nakayasu HSS method is 1,07161 with volume 803,71 m3 and the HSS ITB-1 method is 1,00821 with volume 756,16 m3. The peak discharge for the 25-year return period due to hyetograph 6 hours with the SCS Method 12.70 m3/ s with volume 39447,80 m3, the Nakayasu Method 13,14 m3/ s with volume 43758,16 m3 and the ITB-1 Method 12,76 m3/ s with 39658,17 m3. The value of HSS SCS method is considered to represent flood hydrograph in Tanjung Parak river because volume/ dro value is closer to 1 than HSS ITB-1 and HSS Nakayasu methods so peak discharge and hydrograph volume will be basic for calculations in planning reservoir dimensions and other.
DATA-DRIVEN PREDICTION MODEL OF INDOOR AIR QUALITY Jouvan Chandra Pratama Putra; Sigit Wijayanto
Jurnal Infrastruktur Vol 8 No 1 (2022): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/infrastruktur.v8i1.3288

Abstract

People mostly spend their time indoors for their daily activities. However, indoor air pollutant concentrations are found to be higher than outdoors. Generally, this is caused by the ventilation performance that is not able to dilute indoor air pollutants adequately. The presence of indoor CO2 at certain concentration level is an indicator of indoor air quality and requires field measurements to evaluate it. On the other hand, the consequence of field measurements is not only time consuming but also costly. In order to minimize that problems, this study aimed to predict the model of indoor air quality by referring to previous data. It was achieved by several stages such as input, process, and output. A number of previous data regarding indoor air quality namely indoor CO2, indoor temperature, number of occupants, and air conditioner usage duration were assigned as input. Subsequently, the process stage in this study adopted feed-forward neural networks that divided the data into training data and testing data. Additionally, several activation functions in neural network such as ReLU, tanh, logistic, and identity were involved in the process phase in order to imitate the actual model precisely. Ultimately, the outputs were evaluated using mean square error, mean absolute percentage error, and coefficient of determination. The findings indicated that the application of logistic as activation function was prominently reliable to predict the targeted data. This activation function can improve learning performance which is characterized by their value of mean square error, mean absolute percentage error, and coefficient of determination. In addition, a number of discrepancies of each activation functions were also presented to identify their behavior in terms of imitating the given data. Finally, this approach can be used as a tool to predict the concentration level of indoor CO2 in a concise time and leads to cost efficiency.

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