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All Journal Sinergi Teknisia Jurnal Rekayasa Sipil Civil Engineering Journal The Spirit of Society Journal : International Journal of Society Development and Engagement IJEBD (International Journal Of Entrepreneurship And Business Development) IJTI (International Journal Of Transportation And Infrastructure) IJIEEB : International Journal of Integrated Education, Engineering and Business Proceeding of World Conference Journal of Applied Science, Engineering, Technology, and Education Jurnal Syntax Transformation NEUTRON : Research from all areas of the Civil Engineering International Journal of Engineering, Science and Information Technology Extrapolasi ARRUS Journal of Engineering and Technology Jurnal Profesi Insinyur Universitas Lampung Indonesian Journal of Multidisciplinary Science Journal of Social Research Indonesian Community Journal Jurnal Locus Penelitian dan Pengabdian Journal of Social Science Indonesian Journal of Construction Engineering and Sustainable Development Journal of Artificial Intelligence and Digital Business Eduvest - Journal of Universal Studies Communautaire: Journal of Community Service Journal of Educational Management Research
Muhammad Isradi
Department Of Civil Engineering, Faculty Of Engineering, Universitas Mercu Buana
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Neuroscience Physics Public Health Social Sciences Transportation Other

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The Effectiveness of Users of the People's Crossing Bridge (JPO) at the Youth Center of the City of North Jakarta Administration during the COVID-19 Pandemic Isradi, Muhammad; Andri, Maulika Alifia; Rifai, Irfan; Mufhidin, Amar
ARRUS Journal of Engineering and Technology Vol. 2 No. 2 (2022)
Publisher : PT ARRUS Intelektual Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/jetech749

Abstract

The current dense population of DKI Jakarta must be balanced with the provision of adequate transportation facilities and infrastructure. The current presence of pedestrians is usually concentrated in public facilities such as terminals, shopping centers, educational centers, and other public facilities. The existence of these pedestrians requires facilities for pedestrians, including road crossing facilities such as the People's Crossing Bridge (JPO), where the JPO is installed if it is required that there is no intersection between the flow of pedestrians and the flow of traffic. So that pedestrians want to use the JPO, it must be guaranteed safety and walking distance so that it does not get too far away. For this reason, this study was carried out to determine the effectiveness of the People's Crossing Bridge in the Youth Bracelet of the North Jakarta Administration. To determine the effectiveness of the pedestrian bridge at the Youth Center of North Jakarta City, the researchers observed the number of pedestrians for 2 days, namely during peak hours such as in the morning at 06.00 - 08.00 and in the afternoon at 16.00 - 18.00. From the results of the research for 2 days in the field, it was found that almost 58% of people did not use JPO facilities, and only 42% of people used JPO facilities. Thus, it can be concluded that JPO at the Youth Center of North Jakarta City Administration is classified as a fairly effective JPO.
The redesign of provincial road geometric used AutoCAD®2D: A case Jalan Majalengka-Rajagaluh, Indonesia Anugraha, Pebri Tri; Rifai, Andri Irfan; Taufik, Mohamad; Isradi, Muhammad
Indonesian Journal of Multidisciplinary Science Vol. 3 No. 12 (2024): Indonesian Journal of Multidisciplinary Science
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/ijoms.v3i12.967

Abstract

Jalan Majalengka-Rajagaluh is a road located in several sub-districts that is a link to the city and one of the connecting roads to Cirebon City. This design planning began in Cigasong sub-district and continued to Rajagaluh sub-district with a length of 5.3 kilometers on the Majalengka-Rajagaluh road. The results of the geometric design are visualized in the form of drawings using AutoCAD 2D. The design speed (Vd) is set at 60 km/h with a horizontal curve radius of 358 m, a maximum slope of 4%, and an elevation (e max) of 8%. Based on this design criterion, a spiral curve with a circular arch length (Lc) of 74,996 m was obtained. Furthermore, the results of the calculation of the vertical alignment of the length (L) of one type of convex curve in the PPV are also calculated.
Analysis of building planning over cable stayed bridge: The simulation Resinta, Tria; Rifai, Andri Irfan; Umar, Usmanul Hayadi; Isradi, Muhammad
Indonesian Journal of Multidisciplinary Science Vol. 3 No. 12 (2024): Indonesian Journal of Multidisciplinary Science
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/ijoms.v3i12.988

Abstract

Cable-stayed bridges with box girders are essential innovations in civil engineering, especially for long-span structures. These bridges, reinforced with prestressed cables and box girders, are designed to handle significant loads but remain vulnerable to aerodynamic forces, particularly wind. The vulnerability is measured using the Pb parameter, as defined by the Ministry of Public Works (2015), which helps determine the windbreak structures needed for stability. This study analyzes the aerodynamic stability of bridge decks with widths of 8 m, 13 m, and 19 m on a 420 m bridge, featuring a 220 m main span and two 100 m side spans. The results reveal that the larger the deck width-to-span ratio, the higher the structure's natural frequency, which improves stability. The natural frequency values were recorded at 0.3 Hz for a 7 m deck (3.2%), 0.43 Hz for a 12 m deck (5.48%), and 0.53 Hz for an 18 m deck (8.2%). The most stable span ratio was found with the 18 m deck, with a Pb value of 0.04, showing minimal wind load effects. Moreover, a larger deck width enhances aerodynamic stability and extends the bridge’s service life by reducing damage risk from wind loads.
Implementation of Driver Briefing Policy in Improving Driver Safety at Multinational Company Workshop in Batam, Indonesia Rafaelin, Fabiola Frederica; Rifai, Andri Irfan; Isradi, Muhammad; Prasetijo, Joewono
IJEBD (International Journal of Entrepreneurship and Business Development) Vol 6 No 5 (2023): September 2023
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijebd.v6i5.2552

Abstract

Purpose: Work safety is a big responsibility for every company, especially the safety of motorists who operate within the Multinational Company Workshop Area. This study examines the extent of employees' understanding of driving safety regulations through driver briefing policies in the Multinational Company Workshop area. Design/methodology/approach: Data were obtained from the results of the questionnaire survey of motorists at Multinational Company Workshop using the questionnaire survey method to find answers. Data retrieval technique using the Purposive Sampling method is collected through online surveys given directly to respondents. After that, the data collection results in Analysis use the web spider method to find the comparison before and after the policy is improved. The population in this study were employees of Multinational Company Workshop in Batam with 70 respondents. Findings: Based on a survey conducted by many employees, many still need to become more familiar with the driving regulations within the Multinational Company Workshop Area. However, some employees already understand and understand the content of the safety briefing themselves. Research limitations/implications: The implementation of research in this paper is tried as much as possible by the intentions and objectives of the research and does not damage the company's image. Data collection in this study was based only on the questionnaire results, so there might have been fewer objective elements in the filling process, such as concurrent mutual filling in the questionnaire. Practical implications: This driver briefing policy applies to creating a healthy and safe work environment to reduce the probability of work accidents or diseases due to negligence resulting in demotivation and deficiency. Originality/value: This paper is an original work Paper type: Research paper
Analysis of the Effect of U-Turn Access Closure on the Performance of Gajah Mada Road, Batam Indonesia Saputra, Tohmas; Rifai, Andri Irfan; Isradi, Muhammad; Prasetijo, Joewono
IJEBD (International Journal of Entrepreneurship and Business Development) Vol 6 No 5 (2023): September 2023
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijebd.v6i5.2553

Abstract

Purpose: Gajah Mada Road, Batam Taman Kota area is a primary collector road 1 that has a U-Turn and dense current if passed by motorists on weekdays in the afternoon. This study aims to analyze road performance due to the closure and opening of U-Turn access. Design/methodology/approach: The research method used systematic observation is carried out on Mondays and Fridays (weekdays when the U-Turn is closed and opens) at 17.15 - 18.00 WIB in MKJI 1997. Findings: The volume of vehicles and the average speed of vehicles passing when the U-Turn is closed is higher compared to the U-Turn is opened. Meanwhile, the level of road service (LoS) is classified as good because of the stable current and normal volume even though the vehicle speed is limited and affected by traffic. Research limitations/implications: The U-Turn closure policy is believed to be a solution to reducing vehicle congestion. Practical implications: Vehicle buildup factors due to U-Turn access are the main factors hampering road performance. Originality/value: This paper is an original work. Paper type: Research papers.
Evaluasi Kesiapan Runway Bandar Udara Fatmawati dalam Rangka Transformasi Menjadi Bandara Internasional Kinasih, Reni Karno; Hariadi, Madjumsyah; Isradi, Muhammad
Jurnal Profesi Insinyur Universitas Lampung Vol. 6 No. 1 (2025)
Publisher : Fakultas Teknik Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpi.v6n1.158

Abstract

Transformasi Bandar Udara Fatmawati Soekarno menjadi bandara internasional menuntut penyesuaian teknis terhadap ketebalan perkerasan landas pacu (runway) agar mampu melayani operasional pesawat berbadan besar seperti Boeing 767-300 dan Airbus A330-300. Kajian ini bertujuan untuk mengevaluasi ketebalan runway eksisting dan merancang ketebalan yang sesuai menggunakan dua pendekatan, yakni metode manual berdasarkan pedoman Federal Aviation Administration (FAA) dan perangkat lunak FAARFIELD. Hasil evaluasi menunjukkan bahwa perkerasan eksisting dengan total tebal 120 cm cenderung overdesain. Perhitungan manual menghasilkan total tebal 96,52 cm, sedangkan FAARFIELD menunjukkan desain lebih efisien sebesar 73,41 cm. Pesawat Boeing 737-800 ditetapkan sebagai pesawat rencana (design aircraft) karena memiliki frekuensi keberangkatan tertinggi dan kontribusi kerusakan tertinggi terhadap struktur perkerasan, sementara Boeing 767-300 digunakan sebagai pesawat pengecekan (check aircraft). Selain ketebalan, analisis juga merekomendasikan perpanjangan runway dari 2.285 meter menjadi minimal 2.750 meter agar dapat memenuhi kebutuhan operasional pesawat berbadan lebar. Dengan hasil ini, dapat disimpulkan bahwa runway eksisting telah memenuhi standar kekuatan namun perlu penyesuaian panjang untuk mendukung transformasi menjadi bandara internasional secara penuh.
Bibliometrics Analysis Of The Resistance Of Steel Materials In Building Structures To Fire Valiant, Rizqi; Rifai, Andri Irfan; Umar, Usmanul Hayadi; Isradi, Muhammad
Journal of Social Research Vol. 3 No. 7 (2024): Journal of Social Research
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/josr.v3i7.2096

Abstract

Fire is the out-of-control burning method of flammable substances, which includes wood, paper, plastic, fuel, or different substances, which produce heat, mild smoke, and toxic gases. Fires can occur, including woodland fires caused by lightning or because of human activities, along with building fires due to electric short circuits or errors in the use of fire. In building design, it is miles vital to apprehend the elements that cause fires and the fireplace's resistance to materials. Metal is a form of metallic made from a primary mixture of iron (Fe) and carbon (C), with the amount of carbon typically being much less than 2 per cent of its general weight. Steel is a very common fabric used in a spread of applications due to its aggregate of robust, long-lasting, and malleable properties.
Analysis of Work Implementation Related to the Quality Management System on the Light Rail Transit (LRT) Phase 1B Project Redwan, Muhammad; Isradi, Muhammad
Jurnal Locus Penelitian dan Pengabdian Vol. 4 No. 11 (2025): JURNAL LOCUS: Penelitian dan Pengabdian
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/locus.v4i11.4543

Abstract

This study analyses the Implementation of the quality management system in the Light Rail Transit (LRT) Phase 1B project work on the Veledrome-Manggarai route spanning 6.4 km. The research employs Structural Equation Modeling-Partial Least Squares (SEM-PLS) and Customer Satisfaction Index (CSI) methods to analyze factors affecting quality management system implementation across four main work phases: borepile, pilecap, pier, and pierhead. Data were collected through structured questionnaires from 70 respondents comprising owners, contractors, and supervisory consultants. Results indicate that borepile work has the highest R² value (0.477), with material variables as the most dominant factor (path coefficient 0.294). The Fc 35Mpa concrete material indicator contributes most significantly (29%) to the quality management system. CSI analysis shows the highest stakeholder satisfaction level in pierhead work (90.88%) and lowest in pier work (79.78%). This research contributes to identifying critical factors in quality management systems for mass transportation infrastructure projects and provides a framework for quality performance evaluation in similar projects.
Analysis of Erosion Mitigation on Bridge Pillars Hidayat, Acep; Suprapti, Suprapti; Isradi, Muhammad
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 4 No. 4 (2026): November - January
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v4i4.3888

Abstract

Scour on bridge piers is a major problem in hydraulic engineering, reducing structural stability and accelerating foundation failure. This phenomenon occurs due to the interaction between airflow and bridge structural elements, resulting in the formation of scour holes that potentially reduce the bearing capacity of the soil around the piers. In areas with strong currents, seasonal changes in discharge, and unstable riverbed conditions, the risk of scour is even higher. The impact of scour damage not only reduces the operational lifespan of bridges but also leads to high rehabilitation costs and increases the potential for structural failure, which can endanger user safety. This study aims to analyze various scour mitigation methods that can be applied to bridge piers, including the use of protective materials such as riprap, gabions, and geotextiles; a geotechnical engineering approach that includes soil stabilization and riverbed contour modification; and the development of pier structural designs that are more adaptive to variations in flow patterns. The study was conducted through an in-depth literature review of previous research, an analysis of the effectiveness of each method under various hydrodynamic conditions, and an evaluation of the cost. The results of this study are expected to produce comprehensive recommendations regarding the most effective, efficient, and environmentally friendly mitigation strategies to reduce the rate of scour. Furthermore, this study provides direction in planning bridge designs that are more resilient to changes in flow and sedimentation, thereby extending the service life of the structure, reducing long-term maintenance costs, and improving user safety.
Co-Authors Abdila, Syafiadi Rizki Abdul Hamid Abdul Talib Bon Acep Hidayat Adhwa, Muhammad Adi Nurmahdi, Adi Agung Wahyudi Biantoro Agus Sukoco Agustian, Renaldi Agyanata Tua Munthe Alfaizi, Mohammad Rendy Amar Mufhidin Amar Mufhidin Amar Mufhidin Amar Mufhidin Amar Mufhidin Amar Mufhidin Amar Mufhidin Amar Mufhidin Amar Mufhidin Amar Mufhidin Amar Mufhidin Amrun Rosyid Andri Irfan Rifai Andri, Maulika Alifia Annisa Megarestya Anugrah, Febrian Anugraha, Pebri Tri Arief Rijaluddin Ariyapijati, Raden Hendra Aryanti, Lina Asep Sudrajat Aulia Tarastanty, Nandhita Badawi, Abdullah Ahmad Biankalista, Intan Salma Budi Dermawan, Widodo Budi Susetyo Cahyani, Annisa Aryant Luthfi Candra, Bangkit Yanuar Yularso D A, Caroline Thiovila Dadang Supriyatno Daniel Arnoldi Gultom Daniel Arnoldi Gultom Darius Angtony Dermawan, Widodo Budi DR MUHAMMAD IKHSAN SETIAWAN ST MT Dwi , Yunanto Andi Dwiatmoko, Hermanto Elhazri Hasdian Enif Asfarianto Pratama Fadillah, Ahmad Fadli Bimantara Fajar Prihesnanto Farras, Pramesti Safira Fazadi Rafianda, Dimar Fikri Ramdani Firdaus, Hendy Yusman Ginting, Rio Refelino Guohui Zhang Hanayas Bagaskara Handayani, Susanty Hariadi, Madjumsyah Hartatik, Nurani Hasdian, Elhazri Hendy Yusman Firdaus Hendy Yusman Firdaus Hermanto Dwiatmoko Hermanto Dwiatmoko Hermawan Hermawan Heru Andraiko HERYADIANA, ASEP DIAN Hikmawati Thalib Ilham Andika Imam Sindu Baskoro Indriany, Syilvia Irfan Rifai Jaewono Prasetijo Jawu, Patricia Kanicia Joewono Prasetijo Joewono Prasetijo Joewono Prasetijo Joewono Prasetijo Joewono Prasetijo Joewono Prasetijo Joewono Prasetijo Joewono Prasetijo Joewono Prasetijo Joewono Prasetijo Johan Budiman, Johan Kinasih, Reni K. Kukuh Mahi Sudrajat Lensi Oktavia Stini Lista Lista Luthfi Rachmansyah M Farid Alfarizi R M Ikhsan Setiawan Made, Metta Mahendrata, Ananda Juliano Martindo Gita Dwi Putra Maulana, Ahmad Hifni Mawardi Amin Mohamad Taufik, Mohamad Mohammad Khadem Mohd Adib Mohammad Razi Mufhidin, Amar Muhamad Yuan Kelvin Fuadi Muhamad, Rizal Muhammad Abdika Abdika Muhammad Ashlyzan Razik Muhammad Hafidh Muhammad Ikhsan Setiawan Muhammad Ikhsan Setiawan Muhammad Ikhsan Setiawan Muhammad Ikhsan Setiawan Muhammad Naufal Farhan Muhammad Sylmi Taufanudin Mulia Pamadi Mutiara, Johara Rosita Nabila, Nabila Nashir, Muhammad Farras Nasrun Nasrun Natawibawa K, Surya Nofila Sari Nova, Aryani Novianty, Nadira Nurohman Nurohman Paisal Halim Pawaztris Pawaztris Pawaztris, Pawaztris Permatasari, Nur Fitria Praptoyo, Riska Dwi Prasetijo, Joewono Prasetyo, Agus Mudo Prasetyo, Yudi Dwi Putri Rahayu Rafaelin, Fabiola Frederica Rana Reza Vahira Redwan, Muhammad Reni Karno Kinasih Resinta, Tria Resmitasari, Meyshiva Aulia Reta, Reci Tiana Rifai Rifai Rifai, Andri I. Rohani, Munzilah Md Roisman A. Harefa Ronny Durrotun Nasihien, Ronny Durrotun Salma Karimah Saputra, Tohmas Sari, Yusra A. Sari, Yusra Aulia Sembada, Abdi Septiyani, Yusan Nurul Setiawan, Muhammad I. Setiawan, Muhammad Ikhsan Subagyo, Indriawan Sudrajat, Asep Sudrajat, Kukuh Mahi Sugeng Sugeng Sumarno, Agung Sumiyati Sumiyati Sumiyati Suprapti Suprapti Suprapti Syafiq Human Maulana Syafwandi Syafwandi Syafwandi Syafwandi, Syafwandi Syamsiah Badruddin Tabrani, Alhavid Toruan, Erni Sari Lumban Umar, Usmanul Hayadi Valiant, Rizqi Vendhy Vendhy Vidayanti, Desiana Viranti Fahra Salsabila Wahyu Mulyo Utomo Wan Zahidah Musa Widodo Budi Dermawan Widodo Budi Dermawan Widodo Budi Dermawan Widodo Budi Dermawan Widodo Budi Dermawan Widodo Budi Dermawan Widodo Budi Dermawan Wincent Wincent Wirdianto, Agus Yanti, Dwi Sri Yusman Firdaus, Hendy Yusra Aulia Sari Zaenal Arifin Zaenal Arifin Zaffan Farhana Zainal Zainal Arifin Zainal, Zaffan Farhana Zhang, Guohui Zolkepli, Muhammad F. Zolkepli, Muhammad Farhan