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RACIC : Rab Construction Research
Published by Universitas Abdurrab
ISSN : 25277073     EISSN : 26203170     DOI : https://doi.org/10.36341/racic
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
RACIC "Rab Construction Research" (ISSN 2527-7073) adalah Jurnal yang dikelola oleh Program Studi Teknik Sipil, Fakultas Teknik Universitas Abdurrab, yang terbit secara berkala dalam dua edisi per tahun.
Arjuna Subject : -
Articles 314 Documents
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STUDI PROBABILITAS PEMILIHAN KERETA API PREMIUM SANCAKA (KA 97) DAN KERETA API PREMIUM MUTIARA SELATAN (KA 85) RUTE SURABAYA - YOGYAKARTA Yoan Anjar Rinzani; Nugroho Utomo; Fithri Estikhamah
Racic : Rab Construction Research Vol. 9 No. 2 (2024): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i2.4247

Abstract

The train is a mode of transportation that continues to experience improvements in its services. PT. KAI has implemented the latest service, where all trains are equipped with air conditioning facilities. With these changes, each mode of transportation, particularly the Premium Sancaka Train and the Premium Mutiara Selatan Train, displays differences in characteristics such as ticket prices, travel time, and departure schedules. This study specifically selects the Premium Sancaka Train and the Premium Mutiara Selatan Train due to their closely scheduled departures. Therefore, the objective of this research is to determine the probability of train selection, necessitating a study related to factors that will be analyzed by distributing questionnaires and utilizing the Stated Preference method. From this study, significant results have been obtained regarding the likelihood of mode selection based on a ticket price difference of Rp. 20,000. The probability values for the Premium Sancaka Train (PKAS) and Premium Mutiara Selatan Train (PKAM) are 0.808 and 0.192, respectively. It can be concluded that respondents have a higher interest in the Premium Sancaka Train due to its lower ticket price. On the other hand, the probability of mode selection based on a travel time difference of -6 minutes shows values of 0.891 for PKAS and 0.109 for PKAM. Therefore, it can be concluded that respondents are more interested in the Premium Sancaka Train because it has a faster travel time
ANALISIS METODE NILAI HASIL (EARNED VALUE) MENGGUNAKAN SIMULASI MONTE CARLO UNTUK MONITORING PROYEK PEMBANGUNAN JALAN Kamila Salsabila Iman; Zetta Rasullia Kamandang
Racic : Rab Construction Research Vol. 9 No. 2 (2024): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i2.4253

Abstract

Project performance is assessed based on schedule, cost, and quality. Time and cost measurements must be carried out regularly to identify if there is a discrepancy with the plan. In the XYZ road construction project in East Java Province, a deviation of 20.707% was found in the 19th week, so it is necessary to analyze the concept of the value of results to determine the future development of the project. To analyze the spread of project uncertainty, Monte Carlo simulation is used by modeling the system with random numbers. The random number generated is the number between the minimum and maximum RAB for each type of work in the project. After repetition according to the number of iterations obtained with a relative error value of 2%. Then the frequency graph and normal distribution are analyzed, so it can be seen that the project must provide costs of Rp 11,031,591,805.11, Rp 16,742,117,603.03, and Rp 21,981,246,725.01 for performance evaluation at 50%, 75%, and 100% performance reviews. The SPI calculation result in week 19 is 0.409, indicating that the project is behind schedule. In addition, the TE calculation shows this project can be completed in 508 days or 73 weeks.
ANALISIS DAN PEMETAAN KERUSAKAN PERKERASAN JALAN DENGAN METODE BINA MARGA PADA RUAS JALAN KABUPATEN MALANG (STUDI KASUS: JALAN RAYA TALANGAGUNG - JALAN RAYA JATIKERTO) Dimas Ardhandi Faishal Maulana; Hendrata Wibisana
Racic : Rab Construction Research Vol. 9 No. 2 (2024): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i2.4257

Abstract

In the Malang Regency area, several arterial roads experience pavement damage, such as on Jalan Raya Talangagung - Jalan Raya Jatikerto which is one of the arterial roads that can lead to Blitar Regency. Based on this phenomenon, it is necessary to conduct a review or research to determine the condition of the road pavement, so that it can help in making policies or choosing the right maintenance system. The method used in determining the condition of road damage is the Bina Marga method which has the final result in the form of a priority order value and mapping of road damage conditions in the research area using Geographic Information System (GIS) tools. Based on the results of the analysis and calculation, the damage conditions of the pavement are obtained namely, crocodile skin cracks, transverse cracks, longitudinal cracks, patches, grain release, fatness, random cracks, holes, and grooves. Then the priority order value on Jalan Raya Talangagung is 5, so the road is included in the periodic maintenance program, while on Jalan Raya Jatikerto a priority order value of 3 is obtained, so the road is included in the improvement program. The next step when obtaining the condition value of each road is to apply the Geographic Information System as a tool in creating thematic maps that show the condition value of road damage for each road in the research location.
ANALISIS HUBUNGAN KARAKTERISTIK ANTARA VOLUME, KECEPATAN, DAN KEPADATAN ARUS LALU LINTAS DENGAN MENGGUNAKAN MODEL UNDERWOOD (Studi Kasus: Jalan Raya Kletek, Kabupaten Sidoarjo) Muhammad Yusuf Ramadhan; Hendrata Wibisana
Racic : Rab Construction Research Vol. 9 No. 2 (2024): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i2.4273

Abstract

Jalan Raya Kletek is one of the roads known as a T-junction (junction three) that connects Surabaya-Sidoarjo city and Surabaya-Madiun. This road is included in the 4/2D lane type. One of the problems that often occurs here is traffic congestion, due to economic growth and vehicle ownership which is the cause. Seeing traffic conditions like this, it is necessary to analyze traffic characteristics referring to three main parameters, namely, volume, speed and density. One of the models that will be used to carry out this analysis is the Underwood model. From the results of the analysis carried out on Jalan Raya Kletek, it was found that the largest R2 value was on Friday Segment 1 Line 2 (Surabaya direction) with a value of 0.79. The values ​​for each variable obtained in this segment are, Qmax of 3099.35 pcu/hour, Vf of 36.57 km/hour, Vm of 13.45 km/hour and Dm of 230.41 pcu/km. Because the largest R2 value is close to +1, it can be concluded that this segment on Jalan Raya Kletek is close to the results of actual field conditions.
STRATEGI REKAYASA LALULINTAS JL.HR.SOEBRANTAS DUMAI TERHADAP DAMPAK PEMBANGUNAN DUMAI ISLAMIC CENTER Edria Dianjani; Ari Sandhyavitri; Muhamad Yusa
Racic : Rab Construction Research Vol. 9 No. 2 (2024): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i2.4282

Abstract

This research aims to identify the performance of the road network in existing conditions on the HR road section. Soebrantas, projected traffic performance in the short term (20238) and medium term (2032) against scenarios used for traffic engineering for DIC development, as well as comparing traffic handling scenarios in the short term (2028) and long term. middle (2032). This research uses primary data in the form of traffic data (2023), Dumai City spatial pattern planning maps. The parameters measured are traffic flow and side obstacles which influence HR road traffic performance. Soebrantas. ResultsThis research shows that side obstacles are the dominant factor that influences traffic flow, resulting in traffic jams or congestion. Scenario 2 is the best strategy that can be used because it is necessary to reduce the occurrence of side obstacles.
ANALISIS PERCEPATAN DURASI PENYELESAIAN PROYEK KONTRUKSI JALAN MENGGUNAKAN METODE TIME COST TRADE OFF DENGAN PENAMBAHAN JAM KERJA DAN JUMLAH ALAT BERAT Moh Salman Al farisi; Zetta Rasullia Kamandang
Racic : Rab Construction Research Vol. 9 No. 2 (2024): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i2.4287

Abstract

Acceleration of the duration of project completion often occurs because it is influenced by several factors which cause the project to be completed before the specified time. The Time Cost Trade Off (TCTO) method is a time and cost comparison method used to shorten the implementation time of construction projects. The X arterial road project which is the case study in this research has completed 35.45% of the work with a percentage of delays that must be caught up at 5.3%. The acceleration analysis in this case study implements the TCTO method with alternative work hours (overtime) and heavy equipment on critical project work to obtain efficient results in terms of time and cost. As a result, it was found that normal labor costs and normal project duration for the remaining critical work were IDR. 802,650,747.00 with a remaining settlement duration of 89 days. Then after acceleration, we obtained an additional 4 hours of overtime work per day and additional heavy equipment with a labor cost of IDR. 278,314,091.00 which can shorten the duration by 56 days. So, based on the results of the analysis, the cost required to accelerate the X arterial road project is Rp. 1,080,964,838.39 with a completion time of 33 days.
ANALISIS HUBUNGAN SEBARAN TOTAL SUSPENDED SOLID (TSS), SUHU PERMUKAAN LAUT DAN SALINITAS MENGGUNAKAN CITRA LANDSAT-8 STUDI KASUS WILAYAH PESISIR PANTAI KETINGAN SIDOARJO Indra Putra O.A; Hendrata Wibisana; Siti Zainab
Racic : Rab Construction Research Vol. 9 No. 2 (2024): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i2.4337

Abstract

Ketingan Beach is no stranger to the people of Sidoarjo, apart from being a beach tourist attraction in the District. Sidoarjo, with its mangrove forest ecosystem as a mangrove tourist attraction, also has historical value, making it a pilgrimage tourist spot. The large number of activities that occur around the Ketingan area can affect the water quality of Ketingan beach itself, if the water quality is poor it can damage the potential of Ketingan beach. Based on this background, it is necessary to carry out water quality measurement research to monitor the distribution of Total Suspended Solid (TSS), Sea Surface Temperature and Salinity in 2023 at Ketingan Beach using Landsat 8 Satellite Imagery. The results of the analysis show that the in situ data value for Total Suspended Solid is 61 ( mg/l) - 152 (mg/l) and for the in situ sea surface temperature of Ketingan Sidoarjo Waters it ranges between 18.4°C - 24.4°C while for in situ salinity it ranges between 31 (ppt) - 34 (ppt). From the image data with the highest correlation value, the Total Suspended Solid value was obtained at 99.60 (mg/l) – 110.82 (mg/l) and for sea surface temperature it ranged between 19.41°C – 24°C while for salinity it ranged between 32 .36 (ppt) - 34.57 (ppt). Meanwhile, the correlation value between Total Suspended Solid (TSS) and Sea Surface Temperature was produced using a correlation test with a value of -0.999974332, which means that these two variables have a very strong negative correlation value. The correlation value between Total Suspended Solid (TSS) and Salinity produces a correlation value of 0.341614101, which means that these two variables have a fairly low positive correlation value. Therefore, this research can be a reference in subsequent research and map the distribution of Total Suspended Solid (TSS), Sea Surface Temperature and Salinity and monitor the increase or decrease in Total Suspended Solid (TSS), Sea Surface Temperature and Salinity. So that it can provide the right solution in making decisions regarding environmental impacts, while in the field of Civil Engineering in the planning and construction sector of water structures such as ports and docks, this research can also be used as a database.
ANALISIS HUBUNGAN KARAKTERISTIK ANTARA VOLUME, KECEPATAN, DAN KEPADATAN ARUS LALU LINTAS DENGAN MENGGUNAKAN MODEL GREENSHIELDS (Studi Kasus: Jalan Diponegoro, Kota Surabaya) Nova Aqshal Dwicahyo; Hendrata Wibisana
Racic : Rab Construction Research Vol. 10 No. 1 (2025): JUNI 2025
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v10i1.4339

Abstract

Diponegoro Street acts as the main artery connecting activity centers, including educational, economic, business activities and others. The presence of vehicle movements, especially during rush hours, especially towards Sidoarjo, has resulted in a decrease in performance on this road section and an increase in traffic volume. In this research, an analysis of the relationship between the three main components of traffic flow, namely volume, speed and density, was carried out using the Greenshields Method. The results of the analysis on Jalan Diponegoro show that the largest R2 value is on Monday in Segment 1 (Sidoarjo direction) with a value of 0.802. The variables in this segment have their respective values, namely Qmax of 2742.86 pcu/hour, Vf of 38,304 km/h, Vm of 19,152 km/hour, and Dm of 143,214 pcu/km. With an R2 value close to +1, it can be concluded that the conditions in Segment 1 on Jalan Diponegoro Surabaya as a whole tend to be close to results in accordance with actual field conditions
ANALISIS SEBARAN OKSIGEN TERLARUT TERHADAP TOTAL SUSPENDED SOLID (TSS) DI PERAIRAN KETINGAN KABUPATEN SIDOARJO Mochammad Rizqi Ramanda; Siti Zainab
Racic : Rab Construction Research Vol. 10 No. 1 (2025): JUNI 2025
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v10i1.4346

Abstract

Ketingan Waters is on the northeastern coast of Sidoarjo Regency, which directly borders Bangil Regency. Along the coast of Ketingan, there are rivers that empty into Ketingan. The high number of educators, not accompanied by the addition or provision of land for settlements, triggers residents to carry out activities, including industrial activities, and dispose of waste directly into river flows downstream, thereby reducing water quality. For this reason, efforts are needed to monitor the distribution of dissolved oxygen (DO) and total suspended solids (TSS) in the Ketingan area using Landsat 8 satellite imagery in 2019 - 2023. The aim of this research is to analyze the concentration of total suspended solids and the concentration of dissolved oxygen in the Ketingan Beach area of Sidoarjo Regency. It is hoped that this research can provide information about Ketingan waters for a database of uses in the field of civil engineering in planning and maintaining coastal buildings. The results of this analysis will be confirmed by sea surface conditions. The analysis results show that the in situ data values for TSS are 52 - 152 mg/L and DO are 5.47 - 7.89 mg/L. Image data with the highest correlation for TSS shows values of 49 - 250.99 mg/L and DO of 0.67 - 18.48 mg/L. In situ data and DO image data have a fairly strong correlation, namely 0.631766933, and TSS has a moderate negative correlation, namely -0.481086311
Analisis Sebaran Oksigen Terlarut Dan Korelasinya Dengan Suhu Permukaan Laut Di Wilayah Pesisir Pulau Lusi Sidoarjo Menggunakan Citra Satelit Landsat-8 Aditya Bagus Yoga; Hendrata Wibisana; Siti Zainab
Racic : Rab Construction Research Vol. 10 No. 1 (2025): JUNI 2025
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v10i1.4355

Abstract

Indonesia has an area of around 1,904,569km² with the largest archipelago in the world, namely 17,508 islands. One example of an island formed from sediment is in Sidoarjo Regency, East Java Province due to the Lapindo mud phenomenon from 2006 until now. Over the years, the overflowing mud was directed into the Porong River and settled, resulting in Lusi Island. The government is trying to plant mangroves and the result is that mangroves can grow well on this sedimentary island so that Lusi Island is used as a tourist attraction in Sidoarjo Regency. The natural uniqueness of Lusi Island and its surroundings, including the coast of the island, can be maximized through science and technology. One of the technologies used is remote sensing from Landsat-8 satellite imagery, this technology is used to observe the entire surface of the earth. To get the best results, the system used is a mathematical algorithm. The results of this analysis will later be confirmed with field conditions. The aim of this research is to analyze the distribution of dissolved oxygen and sea surface temperature in the coastal area of Lusi Island. The analysis results show that the value of field data taken in November 2023 for dissolved oxygen is 3.27 mg/L - 7.17 mg/L and for sea surface temperature is 30.3°C - 34.2°C. Meanwhile, image data is 2.86 mg/L - 21.16 mg/L and sea surface temperature is 28°C - 34.2°C. The two field data have a fairly strong negative correlation value of -0.604533307.

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