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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 PARAMETRIK ALTERNATIF FONDASI PADA DAERAH TANAH LUNAK (STUDI KASUS: KANTOR BUPATI KAB. ROKAN HILIR, RIAU) Alfi Fadillah; Budi Susilo Soepandji
Racic : Rab Construction Research Vol. 9 No. 1 (2024): JUNI
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i1.4130

Abstract

A foundation is a part of an engineering system that works by transmitting the load it supports and its own weight into the soil or rock beneath it. In this research, the author plans to compare the bored pile foundation that has been applied to the building with other alternative foundations, namely pile foundation 1 with a depth of 38 meters with a diameter of 0.8 meters, and pile 2 with a depth of 38 meters with a diameter of 1 meter in terms of bearing capacity and the magnitude of the decline that occurred. Then the foundation bearing capacity was calculated using the Meyerhof (1976), McClelland (1974), Skempton (1966), and Reese & O'neill (1999). Single pole reduction using the Vesic (1977) and Poulos & Davis (1980) methods and using the Plaxis v.20 program. Furthermore, the results of the calculations compared the bored pile foundation with pile models 1 and 2. It was found that the bored pile foundation and pile foundation 1 did not meet the permit limit for foundation settlement, only pile foundation 2 met the limit, namely a decrease of less than 10% of the foundation diameter.
EVALUASI QUANTITY TAKE OFF MENGGUNAKAN AUTODESK REVIT PADA PEKERJAAN STRUKTUR BAJA PROYEK PEMBANGUNAN GEDUNG KANTOR PT. TRI KANIGARA GROUP Ari Wibowo; Michella Beatrix
Racic : Rab Construction Research Vol. 9 No. 1 (2024): JUNI
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i1.4142

Abstract

With the development of technology, the use of BIM (Building Information Modeling) software such as Autodesk Revit is becoming increasingly common in the construction industry. Quantity Take Off (QTO) in Autodesk Revit is the process of calculating and identifying the amount of construction materials needed for a project based on a 3D model created using the Autodesk Revit software. This study aims to evaluate the use of steel structural materials and the estimated price generated through Autodesk Revit. In the QTO calculation using Autodesk Revit, the results are the volume of WF column work of 18,117.54 kg, the volume of WF beam work of 16,084.15 kg, and the volume of nut bolt work reaching 1,894 pieces. Furthermore, the estimated cost of work is also generated by Autodesk Revit, with the cost of WF column work of Rp. 389,527,110,-, the cost of WF beam work of Rp. 345,809,225,-, and the cost of nut bolt work of Rp. 52,085,000,-. This evaluation aims to identify the accuracy and efficiency of QTO calculations using Autodesk Revit.
STRATEGI TEKNIS PENANGANAN LALU LINTAS (STUDI KASUS KAWASAN PELABUHAN MENGKAPAN) Frans Deddy Arisandy; Rizki Ramadhan Husaini
Racic : Rab Construction Research Vol. 9 No. 1 (2024): JUNI
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i1.4152

Abstract

This research focuses on the port area of Mengkapan in Siak Regency, specifically on the Sumatra Transcontinental Highway. During holidays, the Vehicle/Capacity (V/C) Ratio on this road reaches 0.631. This is attributed to the constraint of vehicle parking on the road, hindering the entry and exit of vehicles from the port and causing congestion during peak hours between 13:00 and 14:30 WIB. The road speed decreases to 30 km/h, resulting in queues and congestion reaching the Sumatra Transcontinental Highway, the main route to the Mengkapan port area. The objective of this study is to evaluate the effectiveness and efficiency of traffic services on the Sumatra Transcontinental Highway and the port access road. Using VISSIM software and based on calculations from the Indonesian Road Capacity Manual (MKJI), an analysis is conducted on intersection performance, road speed, vehicle delay, and traffic volume in the Mengkapan port area. The findings of this analysis serve as a basis for recommending traffic engineering management strategies to enhance services on 2the Sumatra Transcontinental Highway and port access roads. The implications of these findings are used as a reference for the government in formulating policies to improve the capacity and performance of the transportation system in the area.
EVALUASI WAKTU DAN BIAYA MENGGUNAKAN METODE EARNED VALUE ANALYSIS PADA PROYEK PEMBANGUNAN PUSKESMAS TALUN Kab. BLITAR Reza Rahmattullah; Masca Indra Triana
Racic : Rab Construction Research Vol. 9 No. 1 (2024): JUNI
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i1.4158

Abstract

The Earned Value approach is employed to meticulously track project time and expenses, facilitating early identification of performance issues. Specifically, the construction project for the community health center in Talun, Blitar, encountered variations during the 11th to 13th weeks. Upon doing an analysis in the 13th week, it was discovered that the Schedule Variance (SV) amounted to IDR. -165,313,862.5, suggesting that the actual employment (BCWP) was lower than the anticipated employment (BCWS). The Cost Variance (CV) is Rp. 286,761,471.2, showing that the cost is less than the value of the work accomplished. The SPI (Schedule Performance Index) for week 13 was 0.7, signifying a significant delay in the execution of the project. The Consumer Price Index (CPI) recorded a value of 3.64 in week 13, suggesting that spending efficiency fell short of the budgeted target.
OPTIMASI PROYEK PEMBANGUNAN GEDUNG WORKSHOP TEKNIK MESIN UPN VETERAN JAWA TIMUR DENGAN METODE TIME COST TRADE OFF Muhammad Rafli Nurabidin; Michella Beatrix
Racic : Rab Construction Research Vol. 9 No. 1 (2024): JUNI
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i1.4162

Abstract

Projects are temporary initiatives with limited time, resources, and goals. Due to time and financial constraints, project planning is crucial, with project management being a key factor in its success. Consistency in the quality, cost, and time of a construction project requires the selection of effective construction methods. The purpose of this study is find out the construction costs by adding working hours using the TCTO method, knowing the acceleration of construction time by adding working hours using the TCTO method. These methods impact the construction duration, material usage, equipment, and labor. In the case of the Workshop Building for Mechanical Engineering at UPN Veteran East Java, issues arose during boredpile work due to marshy soil, limiting the installation to only 2 points per day, resulting in a 9-week delay from week 11 to week 20. Additionally, challenges included the time-consuming disposal of boredpile soil and equipment damage, requiring weekly repairs lasting approximately 4 hours. Therefore, acceleration is needed to address these delays, which can be achieved through the Project Crashing approach using the Time Cost Trade Off (TCTO) method.
Analisis ANALISIS KARAKTERISTIK CAMPURAN AC-WC MENGGUNAKAN ASPAL POLIMER DENGAN PENAMBAHAN WETFIX BXE SEBAGAI ANTI STRIPPING AGENT Mochamad Aldinata Sholeh; Nurani Hartatik
Racic : Rab Construction Research Vol. 9 No. 1 (2024): JUNI
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i1.4167

Abstract

Penelitian ini diteliti oleh penulis untuk mengetahui karakteristik campuran AC-WC menggunakan aspal polimer dengan penambahan wetfix bxe sebagai anti stripping agent. Dari hasil pengujian marshall test dengan kadar aspal polimer optimum tanpa zat aditif wetfix muncul nilai nilai karakteristik dari pengujian marshall test tersebut seperti di kadar aspal polimer optimum 5,5% dengan waktu perendaman 30 mnt : VIM = 4,67%, VMA = 15,15%, VFA = 69,18, Stabilitas = 1366 kg, Flow = 3,65 mm, Rasio passing #200 aspal efektif = 0,798 %. Sedangkan di kadar aspal polimer optimum 5,5% dengan waktu perendaman 24 jam : VIM = 4,52%, VMA = 15,02%, VFA = 69,91%, Stabilitas = 1244 kg, Flow = 4,15 mm, Rasio passing #200 aspal efektif = 0,798%. Untuk Stabilitas sisanya senilai 91,06%. telah memenuhi syarat Spesifikasi Umum Bina Marga 2020 (Revisi 2).
ANALISIS PENENTUAN PRIORITAS PEMELIHARAAN BANGUNAN DENGAN METODE ”ANALYTICAL HIERARCHY PROCESS” PADA BANGUNAN GEDUNG CREATIVE SPACE UNICORN - SURABAYA M. Roudlloh Nur Kusuma putra; Michella Beatrix
Racic : Rab Construction Research Vol. 9 No. 1 (2024): JUNI
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i1.4169

Abstract

according to the requirements and wishes of the user. This research uses the "Analytical Hierarchy Process (AHP)" method, as a decision maker in determining the order of maintenance priorities by analyzing component condition indices. From the results of the analysis, it was found that the level of damage was based on the Condition Index value for the Creative Space Unicorn Building. It shows that the priority for building maintenance is the first architectural component in wall paint with a percentage of 1.16, the second utility, namely lights, has a percentage value of 0.79... So It can be concluded that the Creative Space Unicorn Building has a building condition index on a scale of 72.04. means that the description of the condition of the building is sufficient (only minor damage occurred).
IDENTIFIKASI RISIKO KETERLAMBATAN PEMBANGUNAN JALAN TOL DENGAN PENDEKATAN RII (RELATIVE IMPORTANCE INDEX) (Studi Kasus Pembangunan Jalan Tol Binjai – Pangkalan Brandan) Yanuar Widiandi Nufah; Ari Sandyavitri; Muhammad Yusa
Racic : Rab Construction Research Vol. 9 No. 1 (2024): JUNI
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i1.4184

Abstract

The Binjai – Pangkalan Brandan Toll Road is part of the Trans Sumatra Toll Road based on Presidential Regulation Number 117 of 2015. Based on information from providers and users, it has experienced delays in completion. The aim of this case study is to identify factors causing delays, analyze risks using a probabilistic. It is hoped that the case study in this research combines 2 analytical methods to provide new input for researchers. The RII (Relative Importance Index) method found 5 dominant factors that most influenced the delay in this project, namely land permits, inadequate land investigations before design work, inaccurate data surveys (pre-design), design changes, permits related to the government.
PENGARUH PENGGUNAAN ABU SERABUT KELAPA (ASK) SEBAGAI BAHAN TAMBAH TERHADAP KUAT TEKAN BETON ALIR Santoso Nugroho; Nurul Rochmah
Racic : Rab Construction Research Vol. 9 No. 1 (2024): JUNI
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i1.4210

Abstract

Development in Indonesia continues to increase every year, this is due to the increasing population in this country. This construction requires important construction materials, such as concrete. Flowing concrete is a type of concrete that has a slump flow value of more than 19 cm, but still maintains the natural strength of the concrete according to ASTM C 1017 standards. Flowing concrete is usually used for placing thin sections or in areas of solid reinforcing steel to reduce handling costs, explained by (Dawood and Ramli 2010). To produce flowable concrete, it is necessary to use a superplasticizer so that the cement particles can be suspended evenly and separated into fine particles in the concrete mixture. Based on the research results, it shows that the addition of coconut fiber ash with percentages of 0%, 2.5%, 5%, 7.5% and 10% with superplasticizer of 1.5% of the cement weight to determine the compressive strength of the concrete. The coconut fiber ash test object used acts as an additive in the optimum concrete mixture. The sample used was a 15 x 30 cm cylinder for testing the compressive strength of coconut fiber ash at the age of 7 days, 14 days and 28 days. The test results showed that with the addition of coconut fiber ash, the compressive strength of the concrete experienced fluctuations up and down at mixed percentages of 2.5% and 5%, while at percentages of 7.5% and 10% it tended to decrease compared to normal concrete.
ANALISA REOLOGI DASAR ASPAL MODIFIKASI NANO ABU CANGKANG SAWIT Fitra Ramdhani; Bambang Sugeng Subagio; Harmein Rahman; Russ Bona Frazila
Racic : Rab Construction Research Vol. 8 No. 2 (2023): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v8i2.4216

Abstract

The development of asphalt modification using nano technology is one of the innovations in creating a new material that is nano meter scale that has a superior nature of large material. The uniqueness of the material nano is the smaller the size of the material, the surface area and performance of the material characteristics in the asphalt mixture are increasing. This study aims to determine the effect of the addition of nano ash of palm shells (NACS) on bitumen on the nature of the basic rheology of asphalt. Research methods use testing methods in the laboratory. The nano material used is a palm shell ash material obtained from the residual waste of the burning of the palm shell originating from Riau which is then processed into nano ash of the palm shell (NACS) in the ITB Chemical Laboratory. The asphalt used is asphalt Pen 60/70 Pertamina production. The use of NACS material in asphalt modification with variations of 1%, 2%, and 3%NACS can reduce penetration values, increase soft points, reduce ductility values and reduce mixing temperatures and compaction temperatures in line with increasing percentage of NACS .. Keywords: Nano Palm Shell Ash (NACS), Basic Asphalt Rheology,Nano Technology ​

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