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Redaktur Jurnal RACIC Universitas Abdurrab: Gedung Universitas Abdurrab Pekanbaru Jl. Riau Ujung No. 73 Pekanbaru Riau - Indonesia
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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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ANALISIS NERACA AIR SUB DAS KAMPAR KANAN Reno Diah Putri; Manyuk Fauzi; Gunawan Wibisono
Racic : Rab Construction Research Vol. 10 No. 2 (2025): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v10i2.5869

Abstract

Kampar Kanan Watershed is a supporter of community activities so that its sustainability needs to be considered and managed optimally. One effort that can be made in monitoring water availability is to analyze the water balance. This study aims to analyze the condition of the water balance in the Kampar Kanan Watershed based on all rainy season scenarios to prevent water shortage conditions in all rainy season scenarios. The method used to calculate water availability in this study is the regional method. Based on the results of the water balance analysis, the water availability of the Kampar Kanan Watershed is able to meet all water needs. However, there are several intake nodes that experience deficits, namely Node 11 Node 12 and Node 15
PERBANDINGAN PERENCANAAN JEMBATAN KOMPOSIT BERDASARKAN SNI 1725:2016 DAN AASHTO 2020 Dedi Saputra
Racic : Rab Construction Research Vol. 10 No. 2 (2025): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v10i2.5877

Abstract

This research presents a comparison of bridges design with two bridge regulations. SNI 1725:2016 and AASHTO 2020 covering loading, loading combinations, moments, shear forces and deflections. The bridge discussed is a composite bridge with the assumption of a simple beam. The working loaded includes dead load, vehicular live load, temperature load, wind load and earthquake load. The earthquake load is calculated based on SNI 2833:2016 because the location is assumed to be in DKI Jakarta. Based on the results of the research, it can be concluded that moments and shear forces due to loading in SNI 1726:2016 are not too much different from AASHTO 2020. So It can be said that the SNI 1725:2016 regulations are very safe to use for bridge design. In addition, bridge loading for AASHTO 2020 loading include the tandem load that does not exist in SNI 1725:2016.
ANALISIS POTENSI LIKUIFAKSI BERDASARKAN DATA SPT MENGGUNAKAN METODE HYPERBOLIC FUNCTION DENGAN VARIASI MAGNITUDO Andini Chaerania; Dian Purnamawati Solin; Himatul Farichah
Racic : Rab Construction Research Vol. 10 No. 2 (2025): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v10i2.5884

Abstract

Liquefaction occurs when solid soil transforms into a liquid state, causing a loss of strength. Yogyakarta is one of the areas prone to liquefaction. The 6.2 magnitude earthquake that struck Yogyakarta in 2006 triggered liquefaction in Bantul and Sleman regencies. Therefore, in analyzing liquefaction potential, variations in earthquake magnitudes of 4, 5, 6, and 7 are considered. This study employs the Hyperbolic Function method, with the research point located at a single site, BH-93. A low N-SPT value has the potential to cause liquefaction, and if subjected to an earthquake with a magnitude greater than 5, it may undergo deep liquefaction.
ANALISIS PERCEPATAN PROYEK MENGGUNAKAN METODE EVALUATION VARIANS AT SCHEDUE DAN EARNED VALUE DENGAN TIME COST TRADE OFF Jajang Atmaja; Gusri Yaldi; Monika Natalia; Monisa Syahendri; Khairurrajuli
Racic : Rab Construction Research Vol. 10 No. 2 (2025): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v10i2.5972

Abstract

The success of construction project is determined by the management of cost, quality, and time. Mismatches between the initial plan and field conditions often cause delays and cost overruns. Project X with a cost of IDR 4,144,190,311.75 with a planned implementation time of 180 days, experienced a delay with a deviation of -10.09% on the 91st day. This study aims to analyze project acceleration to delays solution by implementing the evaluation variance at schedule method, earned value and time cost trade off method. The results of the study using the evaluation variance at schedule method, that the delay manajement index was 0.36, and delay production index was 0,64. This delay caused by delay of material arrivals, low labor productivity, and low skilled workers in project. With the earned value, the estimated project completion time was 215 days, its mean 35 days late with an estimated project completion cost of IDR 4,775,028,805.39. The result time cost trade off method with the addition of work shifts, add cost IDR 780,771,895.34 and total cost is IDR 4,924,962,207.09 and 180 days. With the addition of working hours (overtime), add cost IDR 836,528,250.97 and total cost is IDR 4,980,718.562.72 and 188 days. The addition of work shifts is recommended for delay solution.
IDENTIFIKASI KETERSEDIAAN AIR DAS INDRAGIRI UNTUK MEMENUHI KEBUTUHAN AIR BAKU RUMAH TANGGA DAN INDUSTRI Nurlaili; Manyuk Fauzi; Muhammad Yusa
Racic : Rab Construction Research Vol. 10 No. 2 (2025): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v10i2.6019

Abstract

The Indragiri Watershed serves as the lifeblood for the communities surrounding it, functioning as a source of raw water for households, industry, agriculture, and as a transportation route. This study aims to identify the water availability in the Indragiri Watershed to meet the raw water needs of households and industries, in order to assess the watershed’s capacity to fulfill the water demands of its users. This research links water availability with water demand in the Indragiri Watershed. Based on the research findings, it can be concluded that water availability in the Indragiri Watershed under all seasonal scenarios is in a surplus condition. This indicates that the water availability in the Indragiri Watershed is still sufficient to meet the water demands of all its users.
Analisis Sebaran Konsentrasi Karbon Monoksida (CO) Udara Ambien Dari Volume Kendaraan Dengan Menggunakan Model Gaussian Line Source (Studi Kasus Jalan Kenjeran, Jalan Oso Wilangun, dan Jalan Taman Sidoarjo) Rachmad Dwi Prasetyo; Anak Agung Gde Kartika; Arie Dipareza Syafei
Racic : Rab Construction Research Vol. 10 No. 2 (2025): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v10i2.6026

Abstract

Air pollution often occurs in large cities and industrially dense areas that produce a lot of gases containing substances above normal limits such as carbon monoxide, nitrogen dioxide, sulfur dioxide, particulates, and so on. One of the main causes of air pollution is transportation and high traffic volumes that cause a decrease in ambient air quality. Motor vehicles contribute about 64% of carbon monoxide (CO) and to find out the distribution of these emissions, calculations with the Tier 2 Method and line model dispersion are needed because they have high accuracy between the model and existing conditions. The study was conducted on arterial roads with wide road conditions and crowded vehicles such as Kenjeran Road, Oso Wilangun Road, and Taman Sidoarjo Road. From the three roads, the highest CO concentration was obtained at a distance of 1 meter from the emission source but with different times. Kenjeran Street with the highest concentration was recorded at 17.00-18.00 WIB at 3.049 gr/m³ on, Oso Wilangun Street the highest concentration occurred at 08.00-09.00 WIB at 1.126 gr/m³, while on Taman Sidoarjo Street the highest concentration was recorded at 13.00-14.00 WIB at 1.75 gr/m³.
ANALISIS TINGKAT KEPUASAN PENGGUNA LAYANAN TRANSMETRO PEKANBARU DENGAN MENGGUNAKAN METODE SERVQUAL Roy Candra; Leo Sentosa; Gunawan Wibisono
Racic : Rab Construction Research Vol. 10 No. 2 (2025): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v10i2.6064

Abstract

Transmetro Pekanbaru is one of the road-based mass transportation services operating in Pekanbaru City, Riau Province. First operating on June 18, 2009, with the number of vehicles operated as many as 20 units serving 2 corridors, namely corridor 01 with the Ramayana - Pandau route. PP and corridor 02 with the Bandar Raya Payung Sekaki Terminal (BRPS) - Kulim.PP route. Until now, Transmetro Pekanbaru serves 8 active corridors with the number of vehicles operating as many as 38 units. This study was conducted to determine the level of satisfaction of Transmetro Pekanbaru users, especially on Routes/Corridors 01 and 02. The analysis method used is the Service Quality method (SERVQUAL), which is a function index of the difference between user expectations and perceptions of a series of satisfaction level factors. The number of samples used was 165 respondents surveyed on both routes. The indicators used for measurement include: Punctuality, crew ability, security, vehicle condition, schedule and route information, fares, and infrastructure (bus stops). Based on the results of the study, the level of service provided by Transmetro Pekanbaru has not been able to satisfy the user community.  __________________________________________________________
ANALISIS RISIKO KECELAKAAN KERJA MENGGUNAKAN METODE HAZARD AND OPERABILITY STUDY (HAZOP) PADA PROYEK PEMBANGUNAN JALAN LINTAS SELATAN Fatma Mirrohmatil Maula; I Nyoman Dita Pahang Putra
Racic : Rab Construction Research Vol. 10 No. 2 (2025): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v10i2.6075

Abstract

The construction sector is considered one of the industries with a high level of occupational accident risk due to complex activities, the use of heavy equipment, and dynamic site conditions. This study aims to assess occupational accident risks in the South Cross Road (Jalan Lintas Selatan/JLS) Lot 2 construction project located in Blitar Regency by applying the Hazard and Operability Study (HAZOP) method. The analysis focuses on four major types of work: blasting, earthworks and embankment, asphalt paving, and erection of girders. Primary data were collected through questionnaires distributed to field experts and analyzed quantitatively by calculating the Severity Index (SI) and Likelihood Index (LI), which were then classified using a Risk Matrix based on the AS/NZS 4360 standard. The results identified 42 validated work-related risks, most of which were associated with the erection girder activities. Prior to implementing risk controls, 18 risks were categorized as high risk. After applying control measures—including engineering controls, administrative procedures, and personal protective equipment (PPE)—14 risks were reduced to low risk. However, 3 risks remained in the high-risk category and require further mitigation. These findings demonstrate that HAZOP is an effective method for identifying and evaluating occupational accident risks in construction projects.
ANALISIS PENGARUH ALIRAN SUPPLY CHAIN MATERIAL DAN ALAT BERAT TERHADAP KINERJA PROYEK PEMBANGUNAN JALAN TOL Deby Lelita Maryuni; I Nyoman Dita Pahang Putra
Racic : Rab Construction Research Vol. 10 No. 2 (2025): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v10i2.6076

Abstract

The construction industry plays a vital role in the national economy, especially in toll road projects that require speed, high quality, and cost efficiency. Project success largely depends on the smooth flow of material and heavy equipment supply chains, as delays can lead to project setbacks and increased costs. This research aims to analyze the impact of the material and heavy equipment supply chain flow on the performance of the Solo-Yogyakarta-NYIA Kulon Progo Toll Road Project Section II Package 2.2B and to identify the influencing factors. The research methodology employed a quantitative approach with questionnaire distribution to project employees, utilizing the Structural Equation Modeling (SEM) method based on Partial Least Squares (PLS). The results of the T-test analysis indicate that the material and heavy equipment supply chain flow has a positive and significant effect on project performance by 60.6%. Based on the multiple linear regression test results, the equation Y = 1.438 + 2.615X1 + 0.423X2 was obtained, demonstrating that all variables of the material (X1) and heavy equipment (X2) supply chain influence the performance of the toll road project. The most influential factors on the material and heavy equipment supply chain flow affecting project performance are communication constraints during the project and the operational methods of heavy equipment. This research is expected to provide new insights for construction practitioners in optimizing supply chain management, enhancing the efficiency and effectiveness of toll road construction projects.
Evaluasi Kinerja Bundaran Bersinyal Polres Dumai: Studi Kasus pada Bundaran Polres di Kota Dumai, Riau Mizan Shiddieqy; Muhammad Idham
Racic : Rab Construction Research Vol. 10 No. 2 (2025): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v10i2.6077

Abstract

The signalized roundabout at Polres Kota Dumai plays a vital role in regulating traffic flow in the city. This study evaluates the roundabout’s performance using the Indonesian Highway Capacity Guidelines (PKJI) 2023 and the traffic simulation software PTV VISSIM. Parameters analyzed include traffic volume, roundabout capacity, level of service (LOS), and traffic signal cycle duration. The evaluation results show that the current condition has a LOS in categories B–C, indicating stable traffic flow. A five-year projection shows an increase in traffic volume, but the degree of saturation (DS) remains below the safe threshold (DS < 0.85). However, in the ten-year projection, the DS on the east and west approaches exceeds the limit, suggesting the need for geometric improvements, such as reducing the median and widening the road. This study highlights the importance of evaluating the performance of signalized roundabouts for more efficient transportation planning and to prevent future congestion.  

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