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Jurnal Ilmiah Rekayasa Sipil
Published by Politeknik Negeri Padang
ISSN : 18583695     EISSN : 26552124     DOI : https://doi.org/10.30630/jirs.v21i2
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Jurnal Ilmiah Rekayasa Sipil is intended as a medium for scientific studies of research results, thoughts and critical-analytical studies regarding research in the Field of Civil Engineering Science. As part of the spirit of disseminating knowledge resulting from research and thinking for wider community service and as a reference source for academics in the field of Civil Engineering. Jurnal Ilmiah Rekayasa Sipil accepts scientific articles with the scope of research on: Structural Engineering Construction Materials Geotechnical Engineering Environmental Engineering Water Resources Engineering Transportation Planning and Management Road Design and Pavement Bridge Structure Construction Management Earthquake and Tsunami Other relevant study topics With articles that have primary citations and have never been published online or in print before.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 13 Documents
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Search results for , issue "Vol 21 No 2 (2024): Oktober 2024" : 13 Documents clear
Analisis Faktor Penyebab Waste Pada Proyek Konstruksi Jalan Di Kabupaten Kuantan Singingi Provinsi Riau Gemuruh, Gemuruh; Yulius, Nursyaifi; Wahyudi, Wahyudi
Jurnal Ilmiah Rekayasa Sipil Vol 21 No 2 (2024): Oktober 2024
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v21i2.1338

Abstract

One of the problems in working on construction projects is the occurrence of waste. One of them is a road project. The occurrence of waste in road projects is closely related to construction work methods, human resources, sorting and reuse processes. In connection with this potential waste, contractors must have a strategy to minimize this occurrence, because it can result in losses to the project and environmental sustainability. The aim of this research is to identify the dominant factors and causes of waste in road construction projects in Kuantan Singingi Regency, Riau. Next, provide solutions to overcome the occurrence of waste in road construction projects in Kuantan Singingi Regency, Riau. This study uses a quantitative method by distributing questionnaires to respondents and the results of respondents' answers are tested for assumptions, validity, reliability and factor analysis. Based on the identification results, the factors that cause waste in road construction projects are obtained, namely skill and supervision factors, work discipline factors, technical factors, equipment factors and information factors. Based on the analysis, the dominant factor causing waste in road construction projects in Kuantan Singingi Regency, Riau, is the skill and supervision factor with an extraction percentage value of 28.181% which consists of the variables of lack of workforce skills, late supervision, lack of foremen, and lack of complete contract documents. The solution to overcome the occurrence of waste in road construction projects is to maintain and maintain the implementation of supervision and assign personnel who have competence or experienced skills.
Analisis Keterlambatan Proyek Konstruksi Bidang PSDA di Dinas PUPR Padang Pariaman Kurniawan, Rinto; Anif, Bahrul; Suherman, Hendra
Jurnal Ilmiah Rekayasa Sipil Vol 21 No 2 (2024): Oktober 2024
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v21i2.1347

Abstract

Pada Dinas Pekerjaan Umum Kabupaten Padang Pariaman unit kerja yang mengelola sumber daya air adalah Bidang Pengelolaan Sumber Daya Air (PSDA). Pada PSDA banyak ditemukan proyek irigasi yang terlambat. Adapun penyebab keterlambatan proyek irigasi tersebut rata-rata diakibatkan karena pengaruh cuaca yang buruk pada saat pelaksanaan pekerjaan, sehingga sering tertundanya bahkan terhentinya pekerjaan dilapangan. Tujuan dari penelitian ini yaitu untuk mendapatkan faktor apa yang menjadi penyebab keterlambatan pelaksanaan proyek konstruksi bidang PSDA di Dinas PUPR Padang Pariaman, faktor dominan dan solusi penanganan agar terhindar dari keterlambatan proyek pada masa yang akan datang. Metode penelitian yang digunakan yaitu metode penelitian secara kuantitatif yaitu dengan menyebar kusioner kepada para responden. Hasil penelitian yang dilakukan terdapat 6 faktor yang menjadi penyebab keterlambatan pelaksanaan proyek konstruksi bidang PSDA di Dinas PUPR Padang Pariaman yaitu faktor tenaga kerja, faktor karakteristik tempat (site characteristic), faktor manajerial (managerial), Faktor Lingkungan Kerja, faktor bahan (material), dan faktor Keuangan (financial).
Perilaku Rasio Tinggi Balok Kantilever Nonprismatis Beton Bertulang Silvi, Ni Putu; Laintarawa, I Putu
Jurnal Ilmiah Rekayasa Sipil Vol 21 No 2 (2024): Oktober 2024
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v21i2.1357

Abstract

Cantilever beam structures are part of civil building structures that are efficient in supporting loads without requiring additional structures. The reasons for using cantilever beams are that they can reduce weight compared to prismatic beams so that costs are reduced, architecturally they provide visual beauty and are aesthetically attractive, they can increase structural rigidity, they can reduce deformation to maintain structural stability and performance and they can produce innovative designs according to needs. The research method used is a quantitative research method using material data, geometry and cross-section of structural components. Model and analysis using SAP2000 software. In this research, 5 models have been made consisting of 1 reinforced concrete prismatic cantilever beam model with a ratio of end beam height (h1) and base beam height (h2) h1/h2 = 1/1 and 4 models (model 2, model 3, model 4, model 5) reinforced concrete nonprismatic cantilever beam with variations in the nonprismatic ratio of end beam height and base beam height with ratios h1/h2 respectively 1/2, 1/3, 1/4, 1/5. The dimensions of the beam are 450 mm wide and 1000 mm high with a beam length of 4000 mm. The beam is modeled as a shell element with rectangular and triangular element models. The position of the base of the cantilever structure is fully clamped. Based on the results of the analysis, it can be concluded that decreasing the height ratio (h1/h2) of the reinforced concrete non-prismatic cantilever beam or reducing the concrete volume for each model causes an increase in deflection and a decrease in the maximum principal stress (Smax) for the reinforced concrete prismatic cantilever beam model.
Analisis Kelayakan Finansial Rencana Pembangunan Hotel Siliwangi Fikry Sjaf, Rijalul; Azhar, Moh
Jurnal Ilmiah Rekayasa Sipil Vol 21 No 2 (2024): Oktober 2024
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v21i2.1408

Abstract

As development progresses in the city of Depok, many of vacant land are being marketed in commercial locations. Land which is in a strategic location makes investors interested in buying the land to be developed into a more profitable commercial building. One of the lands being offered is on Jalan Siliwangi, Depok City, with a land area of ​​4410 m2. This research aims to analyze the financial feasibility of the project if a commercial building is built on the vacant land. The analysis was carried out using technical economic analysis integrated with the Highest and Best Use (HBU) analysis method. By knowing the financial feasibility of the project development plan, investors get earlier information regarding whether or not it is feasible to purchase land and project construction at the research object location. Based on The results of the economic analysis of indicator techniques will determine the financial feasibility of building construction projects such as Net Present Value (NPV), Internal Rate of Return (IRR), Payback Period (PP), so the use of Hotels provides the most benefits compared to Offices and Shophouse Complexes. With this level IRR=10.063% > Interest rate 9.311%, which means the project is feasible and can be implemented, then the NPV is >0 (Rp. 7,628,369,872) and the Profitability Index level is 1,060>1. Pay back period 9.2 years (9 years and 2 months).
Analisis Waktu dan Biaya Perbandingan Erection Steel Box Girder Menggunakan Metode Skid Launching dan Launcher Prakoso, Catur; Azhar, Moh
Jurnal Ilmiah Rekayasa Sipil Vol 21 No 2 (2024): Oktober 2024
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v21i2.1410

Abstract

This research was conducted on the construction project of Cimanggis - Cibitung toll road section 2 Sta. 27+070 to Sta. 50+353. The background of this research is the need to know a more efficient implementation method in terms of time and cost, given the importance of effectiveness and efficiency in construction projects. The purpose of this research is to determine the time of girder erection work using the skid launching method and the girder launcher method, Knowing the cost of implementing girder erection work with both methods, Comparing the efficiency of time and cost between the skid launching method and the girder launcher method, The data that has been obtained is analysed. From the results of the analysis of the two tools obtained the results of the erection process, namely the Launcher girder method is more efficient in the time of erection of steel box girder, requiring 6356 minutes compared to 7500 minutes in the Skid Launching method, the data obtained in terms of time while in terms of cost the Launcher girder method is more economical with a cost of Rp 13,867,349 per span compared to Rp 35,767,019 in the Skid Launching method. resulting in cost savings of IDR 21,899,669 or around 39%.From the data obtained, we can determine the most efficient method in terms of time and cost between the two methods. The methodology used in this study includes primary and secondary data collection, analysis of material requirements, productivity and duration of work, and cost analysis. The results showed that the girder launcher method is more efficient in terms of time and cheaper in terms of cost compared to the skid launching method. The findings are expected to serve as a reference in the implementation of similar projects in the future.
Optimalisasi Penempatan Tower Crane Pada Proyek Pembangunan Gedung Pascasarjana, Universitas Riau Salsabila, Assyfa; Iriana, Rian Trikomara; Djuniati, Sri; Sebayang, Mardani; Elianora, Elianora
Jurnal Ilmiah Rekayasa Sipil Vol 21 No 2 (2024): Oktober 2024
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v21i2.1425

Abstract

The increase in building and infrastructure development in Indonesia demands effectiveness and efficiency in construction projects, particularly in the selection and placement of heavy equipment such as tower cranes. This study focuses on optimizing the placement of a tower crane in the construction project of the Graduate Building of Universitas Riau, planned to have 6 floors with a height of 31.45 meters. The main issues include delays in structural progress and the tower crane being positioned close to the maximum jib reach, which decreases lifting speed and increases cycle time, ultimately raising operational costs. The research aims to find a placement that maximizes productivity and minimizes operational costs. The methods employed include direct observation and interviews. Observations were conducted on 20 columns at elevation 13.45 meters on the 3rd floor to determine the tower crane cycle time. Data analysis compared cycle times between the existing placement and two alternative placements. The study results indicate that the existing placement requires 598.195 hours with operational costs of Rp1,402,373,077.80, while alternative 7 requires 590.637 hours costing Rp1,389,917,824.27, and alternative 9 requires 606.393 hours costing Rp1,415,882,093.32. The time and cost difference between alternative 7 and the existing setup is 7.558 hours faster and Rp12,455,253.54 cheaper. Hence, the optimal position for the tower crane is alternative 7 at coordinates 764722.537; 53537.493. This placement demonstrates that a shorter distance between the tower crane and the supply point enhances productivity and reduces operational costs.
Penentuan Lokasi Pengembangan Tambak di Provinsi Banten Berdasarkan Analisis Geospasial dan Analytical Hierarchy Process Taufik, Isvan; Purwanto, Didik; Wardhana, Mochamad Wary; Sari, Resti Meliana
Jurnal Ilmiah Rekayasa Sipil Vol 21 No 2 (2024): Oktober 2024
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v21i2.1437

Abstract

Sumber daya perikanan yang besar di wilayah pesisir dan lautan Indonesia sangat potensial untuk dikembangkan karena berperan dalam pemenuhan kebutuhan pangan dan gizi masyarakat serta mampu menopang perekonomian Indonesia. Provinsi Banten merupakan salah satu provinsi yang sangat berpotensi untuk pengembangan budidaya perikanan, terutama budidaya air payau dikarenakan Provinsi Banten memiliki panjang garis pantai 964,307 km, 37 kecamatan pesisir, serta 133 desa pesisir dan 81 pulau-pulau kecil. Sistem budidaya perikanan air payau di Provinsi Banten yang efektif sebagian besar menggunakan sistem tambak. Berdasarkan Peraturan Menteri Pekerjaan Umum dan Perumahan Rakyat Nomor 14/PRT/M/2015 Tahun 2015 tentang Kriteria dan Penetapan Status Daerah Irigasi, terdapat sebanyak 55 Daerah Irigasi Tambak (DIT) yang ada di Provinsi Banten yang terdiri dari 1 DIT kewenangan provinsi dan 54 DIT kewenangan Kab/Kota dengan total luasan sebesar 14.279 Ha. Dalam penelitian ini, pengumpulan data dilakukan melalui survey lapangan pada kabupaten/kota di Provinsi Banten yang daerahnya terdapat kawasan irigasi tambak dan pengumpulan data sekunder melalui kajian pustaka. Metode analisis untuk menentukan sebaran lokasi dan memutakhirkan delineasi tambak menggunakan analisis geospasial, sedangkan metode analisis yang untuk penentuan lokasi tambak potensial menggunakan metode Analitycal Hierarchy Process (AHP). Hasil penelitian diperoleh skor tertinggi adalah DIT Mekarsari di Kecamatan Panimbang dengan nilai 6,75 yang berarti bahwa pengembangan tambak yang paling potensial berada pada DIT Mekarsari di Desa Mekarsari Kecamatan Panimbang Kabupaten Pandeglang.
Life Cycle Cost Gedung Masjid Sahid Universitas Veteran Bangun Nusantara Fa-izah, Aprilina Nur; Firdausi, Annisa Azhar; Safarizki, Hendramawat Aski
Jurnal Ilmiah Rekayasa Sipil Vol 21 No 2 (2024): Oktober 2024
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v21i2.1441

Abstract

One of the Bantara University facilities is Sahid Mosque. This mosque was built as a result of a design competition in 2020. The building area is 682 m2. Construction was carried out for 1 year with a total budget is Rp. 3,989,519,570.00. the building was operated in 2022. Many building components are imported from abroad. However, in this building the Life Cycle cost (LCC) calculation has never been done. Operation and maintenance need to be taken into account in every building construction. Building maintenance is a very important activity in maintaining the condition and value of property. This activity involves a series of actions to change, update and repair building components so that they continue to function properly according to established standards. The aim of this research is to identify the LCC of mosque buildings over their 25 years services life. The calculation is carried out by describing the LCC components, namely initial costs, operational costs, maintenance, replacement, and demolition. Initial costs are obtained from design and preparation costs. Operational costs are obtained from interviews with the parties concerned. Maintenance is obtained from looking at the age of the component lines and is calculated based on the Sukoharho Regency AHSP. The results of the LCC calculation 25 years in 2022 for the Sahid Univet Mosque showed a total cost of Rp. 8.786.694.099 that: initial cost worth Rp. 5.285.031.300 (60.15%); operational costs worth Rp.1.439.754.354 (16.39%); maintenance costs worth Rp. 1.523.813.081 (17.34%); and replacement costs amounting to Rp. 538.095.364 (6.12%).
Analisis Clash Detection Perencanaan Proyek X Untuk Meminimalisir Anggaran Biaya dan Waktu Natalia, Monika; Misriani, Merley; Hamid, Desmon; Zulfajri, Muhammad; Iskandar, Arjunda
Jurnal Ilmiah Rekayasa Sipil Vol 21 No 2 (2024): Oktober 2024
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v21i2.1508

Abstract

Project construction has complexity conflict (clash). Clash can cause work delays, design changes, additional material, cost overruns, reduced quality, and project delays. Clash construction design can be detected with Autodesk Revit and Autodesk Naviswork manage software which are part of building information modeling (BIM) software. This research found the clash detection Project of X, caused this project's potential clash to be very large because each component is designed by a different team, so when detail engineering design (DED) it intersects with each other component. This study aims to find clash detection (hard clash and soft clash) for structural, architectural mechanical, electrical, and plumbing (MEP) components and provide solutions by repairing the clash. Hard clash found 184 clash points consisting of: clash between structures and architecture with 9 points, structures and MEP with 59 points, architecture and architecture with 16 points, architecture and MEP with 11 points, and MEP and MEP with 89 points. Soft clash found 96 points consisting of: clash between structures and architecture with 52 points, structures and MEP with 1 point, architecture and architecture with 18 points, architecture and MEP with 3 points, and MEP and MEP with 22 points. The solution to the clash found is to change, remove, and add to the components that occur clash using Autodesk Revit, to get zero clash so that this project planning is free clash.
Studi Eksperimental Karakteristik Beton Mutu Tinggi dengan Memanfaatkan Limbah Fly Ash dan Coco Fiber Alvanda, Muhammad Reyhan; Suhelmidawati, Etri; Tiara, Tiara; Putri, Casy Almia; Akbar, Hikmal; Syauqi, Hafizhan; Satwarnirat, Satwarnirat
Jurnal Ilmiah Rekayasa Sipil Vol 21 No 2 (2024): Oktober 2024
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v21i2.1511

Abstract

The issue of environmental friendliness has become very popular recently. Various industrial sectors must pay attention to environmental factors as a global sustainability goal. In the construction industry sector, concrete is a much-needed material in making building structures. Concrete becomes environmentally friendly by utilizing waste as a substitute for some of the ingredients. This research uses fly ash and coconut fiber. This study aims to determine the effect of renewable innovation in the addition of fly ash and coco fiber waste on the value of compressive strength and flexural strength of concrete and to determine the composition of the most optimum percentage of waste addition, as well as the resulting crack pattern. This research uses the international standard ACI 211.4R-93, which is an experiment with the addition of 15% fly ash and variations in the addition of coconut fiber 0.5%, 1%, 1.5%, and 2%. The concrete quality planning in this study is 40 MPa with concrete treatment for 28 days and 56 days. This test uses cylindrical test objects (15cm x 30cm) with a total of 30 samples for compressive strength testing and beams (60cm x 15cm x 15cm) with a total of 30 samples for flexural strength testing. The results obtained in this study are the optimum compressive strength found in the variation of adding 1.5% fiber and 15% fly ash at 56 days of concrete age of 33.12 MPa. The highest concrete flexural strength value is found in the 2% fiber addition variation.

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