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Wita Meutia
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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 120 Documents
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EFFECT OF SILICA FUME SUBSITITUTION IN CEMENT AND ADDITION OF POLYPROPYLENE FIBER resti nur arini; Farhan Rizky Yulihendrika; Fadli Kurnia; Ramadhani Isna
Jurnal Infrastruktur Vol 9 No 2 (2023): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/infrastruktur.v9i2.5206

Abstract

To fulfill the needs of construction materials both structural and non-structural in concrete, concrete forming materials are needed that have good resistance to the environment and can also improve the mechanical properties of concrete. One of the materials that can help improve the mechanical properties of concrete is by adding polypropylene fiber and silica fume to the mixture. The addition of silica fume as a substitute for cement is one of the alternatives used to utilize waste so as to reduce the use of cement. besides adding silica fume, the addition of polypropylene fiber can also affect physical properties because one of the advantages of using polypropylene fiber can reduce cracking at a young age. So by adding polypropylene fiber and silica fume into the mixture is expected to increase the compressive strength. In this research, we will substitute silica fume for cement and add polypropylene fibers to the concrete mix. The percentage of silica fume used for cement substitution is 2%, 4%, 6% and 8% while for fiber addition is 1% and 0.5%. From the results of silica fume substitution and the addition of polypropylene fiber, the maximum compressive strength value of the mortar will be sought. From the results of the compressive strength test, the addition of 0.5% polypropylene fiber and the addition of 8% silica fume produced the highest compressive strength, which is around 6.02 MPA.
A STUDY ON ASSESSING CONSTRUCTION SITE SAFETY PRACTICES AMONG CLASS OF CONTRACTORS Ade Asmi; Aurino Djamaris; Ahmad Dasuqi Bin Dahlan
Jurnal Infrastruktur Vol 9 No 2 (2023): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

In recent years, this construction area has been considered as one of the most dangerous industries in which workers are more exposed to the risk of accidents. The Department of Occupational Safety and Health (DOSH) statistics prove that the construction industry has the highest rate of fatal accidents compared to other industries in the country. Therefore, this study mainly focused on the implementation of safety practices in construction industry focusing on among class of contractor A, B, C and D. Regarding to this fact, the main goal of this study is focus on the evaluation of the implementation of safety practices among each class of contractors. This study was started by reviewing literature reviews from journals, thesis, articles, books and web pages. Questionnaire surveys were formed and designed focusing on safety practices in the construction industry. A survey in questionnaire form was carried out to obtain data from the contractor’s class A to D. Subsequently, the data from the questionnaire were analyzed by using the SPSS software. In conclusion, this study also could show the difference of level of safety practices which is applied by every class of contractor in their workplace area that class of contractor C and following by class of contractor D, are contractors which is noted the lowest level in practicing safety work culture in construction. The study also proposes some suggestions and recommendations to improve the safety practices and to minimize the accidents at construction industry.
COMMUNITY PERCEPTIONS OF URBAN TRANSPORT PERFORMANCE Prima Jiwa Osly; Wita Meutia; Erlangga Darmawan
Jurnal Infrastruktur Vol 9 No 2 (2023): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/infrastruktur.v9i2.5656

Abstract

Angkutan Kota or commonly called “Angkot” is one of the public transportation that is often found in Bogor. One of the Angkot routes in Bogor is Angkot 03 in the Bubulak-Baranangsiang route. This public transportation has a bad category for the service performance dimension with a poor category. This can be seen from public transportation services such as passenger volume, distance traveled, and stopping at any place to look for passengers. With services in the deficient category, it can reduce people's interest in using public transport in this direction, both for existing users and potential potential users. Therefore, it is necessary to pay attention to the satisfaction of users and the satisfaction of the community around the public transportation route towards public transportation in this direction. The aim of this research is to determine the performance of public transportation services based on the perceptions of public transportation users and the surrounding community. Data from this research were obtained from distributing questionnaires to passangers of Angkot 03 in the Bubulak - Baranangsiang route and people living around the public transportation route. The results of the questionnaire were analyzed using the IPA method to determine the gap between expectations and performance of public transportation services. Based on the results of the analysis, it can be seen that there are the same variables that need to be improved between the perceptions of city transport passengers and the surrounding community, namely variable 12 (Drivers are courteous, kind, and doesn’t smoke).
PARKING NEEDS ANALYSIS AS PART OF THE FEASIBILITY ASSESSMENT FOR PARKING LOT DEVELOPMENT AT POLITEKNIK NEGERI UJUNG PANDANG Andi Batari Angka; Erning Ertami Anton; Julvi Resli Datu Pagewang; Shafina Azizah Umar
Jurnal Infrastruktur Vol 9 No 2 (2023): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/infrastruktur.v9i2.5667

Abstract

The growth of motorbike and car users in several regions in Indonesia is quite high. This is because people's movement activities are increasing so the need for transportation is increasing. In Makassar City, the increase in transportation needs is also accompanied by an increase in the number of vehicles every year. Ujung Pandang State Polytechnic is one of the universities with quite high activity and interaction. This is because there is an increase in the number of students from year to year so the growth in vehicle users is greater. The increase in the number of vehicles has quite a big influence on the availability of parking lots, many parking locations have been converted into campus buildings, this condition causes the need for a place that functions to accommodate the number of vehicles each day or what is usually referred to as a parking lot. Based on the results of the research and discussion, it can be concluded that the parking capacity at the Ujung Pandang State Polytechnic is not able to accommodate the number of vehicles every day or what is usually referred to as a parking lot. Based on the results of the research and discussion, it can be concluded that the parking capacity at the Ujung Pandang State Polytechnic is not able to accommodate the number of vehicles every day. The results of the financial feasibility analysis show that the IRR value is greater than the interest rate, namely 14%, while the interest rate 13%. The payback period from the calculation results is 11 years, so the project to build a multi-story parking building facility is financially feasible to build. The need for parking space for the next 5 years on Ujung Pandang State Polytechnic cannot accommodate more vehicles, therefore this research designs a 2-story parking building that can solve the parking problem with an estimated cost of Rp. 55,651,200,000.00
SPATIAL ANALYSIS OF LAND COVER CHANGES IN DEPOK CITY USING GEOGRAPHIC INFORMATION SYSTEMS Dewi, Atri Prautama; Ariyani, Dwi; Shafwah, Lulu; Komariah, Nadhira Nur
Jurnal Infrastruktur Vol 10 No 1 (2024): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/infrastruktur.v10i1.5727

Abstract

Depok City is an area undergoing significant changes in land cover due to rapid urban development. Additionally, population growth is contributing to these land cover changes. These factors exert pressure on land use changes, with implications for land cover. Therefore, it is necessary to conduct a spatial analysis of land cover changes in Depok City. This research employs Geographic Information System (GIS) methods and spatial analysis to examine land cover changes in Depok from 2017 to 2022. The objectives of this study are to identify the land cover conditions in Depok from 2017 to 2022 and analyze the changes in land cover during this period. The data source used is Landsat 8 satellite imagery. These satellite images were interpreted to produce land cover maps for the years 2017 and 2022. Subsequently, these two maps were overlaid to assess changes in land use. The research results revealed seven land cover classes in 2017, with the largest in terms of area being Residential/Built-up Areas (12,383.43 hectares), Green Open Spaces (3,479.66 hectares), Dryland Agriculture (2,218.65 hectares), Services/Industry (885.41 hectares), Paddy Fields (414.59 hectares), Open Land (373.66 hectares), and Water Bodies (239.23 hectares). Spatial analysis indicated a decrease in land cover for Green Open Spaces (238.84 hectares), Dryland Agriculture (122.67 hectares), and Paddy Fields (31.89 hectares). Conversely, an increase in land cover was observed for Residential/Built-up Areas (266.01 hectares), Services/Industry (91.84 hectares), and Open Land (35.55 hectares).
ANALYSIS OF DETERMINING THE WALKABILITY INDEX IN EDUCATIONAL AREA Tinumbia, Nuryani; Rachmawati, Nia; Andreas, Azaria; Meutia, Wita; Putri, Aulia Salsabila; Fernando, Bryan Ezra
Jurnal Infrastruktur Vol 10 No 1 (2024): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/infrastruktur.v10i1.5776

Abstract

The educational area like campus is one of the urban areas that generate or attract pedestrian movements. Providing pedestrian facilities in this area is crucial and needs to be noticed by relevant stakeholders. The objective of this study is to assess pedestrian facilities in the Universitas Pancasila Campus area by applying the Walkability Index methodology. Primary data consists of pedestrian facilities inventory data inventory data and walkability assessments through field surveys, pedestrian perception data through distributing questionnaires by online. It is intended that this study will give any recommendation, particularly with enhancing the neighbourhood around the campus for pedestrians. The Walkability Index results for the Universitas Pancasila campus area show that all surveyed routes are in the quite good (average index value of 54.38), this means that the provision of pedestrian facilities in this campus area is quite adequate. The campus needs to focus on three characteristics going forward: the availability of crossing facilities, facilities for the disabled, and supporting facilities, according to the parameter score that was achieved.
FACTORS IDENTIFICATION AFFECTING OCCUPATIONAL HEALTH AND SAFETY SYSTEM USING DELPHI METHOD AT INDONESIA REPRESENTATIVE COUNCIL BUILDING Wibowo, Prasetyo Hari; Waty, Mega
Jurnal Infrastruktur Vol 10 No 1 (2024): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/infrastruktur.v10i1.5812

Abstract

Negligence in carrying out renovation work by the contractor, namely incidents or events at the DPR RI Building, this can disrupt the productivity and continuity of legislative activities. Implementation of OHSMS is a preventive action for incidents that could result in fatality in the workplace. The impact is the postponement of important agendas. This research aims to analyze the factors that influence the OHSMS in the DPR RI Building. Qualitative approach is used with questionnaires, in-depth interviews and document analysis as data collection methods. The results identified a number of key factors that influence the implementation of the OHSMS in the DPR RI Building. These factors are interrelated and contribute to creating a safe and healthy work environment in the DPR RI Building. The results of this research have important implications in improving OHS in the DPR RI Building and may be applied in similar organizational contexts.
OCCUPATIONAL HEALTH AND SAFETY SYSTEM DEVELOPMENT AT INDONESIA REPRESENTATIVE COUNCIL BUILDING USING STRUCTURAL EQUATION MODELING Wibowo, Prasetyo Hari; Waty, Mega
Jurnal Infrastruktur Vol 10 No 1 (2024): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/infrastruktur.v10i1.5888

Abstract

Work accident could be happened in every industry, within construction or operational phase. Operational phase work accident also can occur by external and internal factors. This study objective is to develop occupational health and safety system to improving safety performance in DPR RI Buildings. DPR RI Buildings is selected because the actual condition inside is didn’t inadequate to perform and execute an efficient OHS, also there are work accident occur a couple times. There are a couple factors that affect OHS Development in this study such as competency, regulation, participation, commitment, and supervision. Those factors are going to be connected each other and will be affect safety performance. Delphi method is used in this study to validate the expert judgement for the factors that affecting OHS development. SEM-PLS is used to analyze the data after survey already done. The results for this research are competency, regulation, participation, commitment, and supervise are influential positive to safety performance in OHS development in Gedung DPR RI. Strategy & recommendation are also established in this research by looking for the interrelation between variables.
LANDFILL STABILITY ANALYSIS USING CORRUGATED CONCRETE SHEET PILE (CCSP) WITH PLAXIS 2D V22 SOFTWARE Jumadi, Kardina; Dofir, Akhmad; Andreas, Azaria; Tinumbia, Nuryani
Jurnal Infrastruktur Vol 10 No 1 (2024): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/infrastruktur.v10i1.5992

Abstract

Landfill in road projects requires a stable condition before it can be continued on further work. The stability factor of the landfill depends on the bearing capacity of the subgrade, the shear strength of the soil, the planned elevation, and the angle of inclination of the landfill. This research is located on one side of the Jagorawi Toll road and the Bogor Outer Ring Road, near the South Sentul Toll exit gate. The results of the soil investigation obtained a clay type soil classification at a depth of 0 – 13 m (N-SPT value 3-5). Initial analysis shows the need for landfill height, varies along the road (ranging 4.9 m - 2.4 m). The purpose of this research is to compare the stability of the landfill in the following 2 conditions, 1st condition from STA 1+789 – STA 1+850 (4.9 m height of landfill) using Corrugated Concrete Sheet Pile (CCSP) reinforcement on the left and right of the road side with a 2 m deep geotextile layer, and 2nd condition from STA 1+850 – STA 1 +950 (2.4 m height of landfill) does not use any reinforce. The research approach uses quantitative descriptive, research data including other soil classifications, bor logs, N-SPT values, soil properties from samples (C, Ø, γ, etc.) taken from the site. Apart from that, data on the geotextile and CCSP parameters that will be used is also needed. Analysis was carried out using the Finite Element approach and Plaxis 2D V22 software. The results show that in 1st condition, the safety factor value is 3.7, where the reinforcement system provided is able to withstand 3.7x the working load (vehicles and active soil). Meanwhile, on the 2nd condition produces a safety factor value of 5.2. The analysis results show that these 2 areas have a safety factor that exceeds the existing literature requirements, namely 1.5.
INVESTMENT FEASIBILITY COMPARATIVE ANALYSIS OF GREEN BUILDING AND CONVENTIONAL IN DKI JAKARTA Ramadian, Yasmin; Fuk Jin, Oei
Jurnal Infrastruktur Vol 10 No 1 (2024): Jurnal Infrastruktur
Publisher : Jurnal Infrastruktur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/infrastruktur.v10i1.6099

Abstract

Sustainable buildings generally demonstrate a friendly environment, save energy and reduce operational costs, thus opening up significant investment opportunities in green buildings of the office property type. It is a shame that currently there are still very few office building developers who apply the green building concept, meanwhile the green building concept provides 31% greater profits than conventional buildings. This study aims to analyze the financial feasibility of four office buildings which are divided into two categories, namely category one (building 1 and Building 3) with a grade A building type and category two (building 2 and building 4) with a grade B building type. Building 1 and building 2 has received green building certification issued by GBCI. Building 2 and building 4 are buildings with a conventional concept. Calculation analysis is carried out using the Net Present Value (NPV), Internal Rate of Return (IRR) and Payback Period (PP) methods. Based on the results of the analysis, from the two categories of building types, the results showed that the NPV of each building was said to be financially feasible with an NPV ratio of 294% (category 1) and 162% (category 2). The IRR obtained exceeds the MARR value, with a comparison of 54% (category 1) and 21% (category 2). The payback period is less than the project investment period, namely 20 years, with a difference of 5 years (category 1) and 3 years (category 2). The office buildings with the highest and best NPV are Building 1 and Building 3 (category 1), so that even though the construction costs and green building design planning costs incurred are higher, in the research object of each building there are quite significant differences in NPV and IRR and It is hoped that all new construction and renovation work carried out by developers can apply the green building concept.

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