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All Journal Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Sprocket : Journal of Mechanical Engineering JOURNAL SCIENTIFIC OF MANDALIKA (JSM) Jurnal Ar Ro'is Mandalika (Armada)
Fahri, Tengku Muhammad
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Religion Aerospace Engineering Humanities Automotive Engineering Education Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Other

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Pengaruh Volume Kendaraan Terhadap Tingkat Kerusakan Jalan Pada Perkerasan Rigid di Kota Binjai Fahri, Tengku Muhammad
Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Vol 9, No 1 (2023): April
Publisher : universitas teuku umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jmkn.v9i1.7563

Abstract

Highways are of a very petrified public interest to facilitate life, road damage that occurs in various regions today is a very complex problem and the losses suffered are very large, especially for road users, the volume of vehicles is proportional to the level of road damage.  Rigid pavement or rigid pavement is a type of road pavement that uses concrete as the main material of the pavement, is one type of road pavement used apart from bending pavement (asphalt). The purpose of this study is  to determine the effect of the number of vehicles on road damage on Rigid pavement in Binjai City which results  in heavy vehicles of 100 kend / day will increase the level of road damage by 10.1, the  volume of light vehicles and heavy vehicles has a percentage of 86%. The higher the volume of the vehicle, the greater the damage that occurs.
Analysis of Construction Management Functions in Commercial Building Development Projects in Medan City Gultom, Roi Yanto; Nasution, Adinda Juwita; Fahri, Tengku Muhammad
Jurnal Ar Ro'is Mandalika (Armada) Vol. 5 No. 2 (2025): JURNAL AR RO'IS MANDALIKA (ARMADA)
Publisher : Institut Penelitian dan Pengembangan Mandalika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59613/armada.v5i2.4942

Abstract

Commercial buildings are buildings that accommodate various commercial functions such as villas, hotels, resorts, trade, office space for rent, and others. according to its type, a commercial building is a building that is planned and designed to bring benefits to the owner and its users. On the basis of this premise, the design of commercial buildings considers nine aspects. the factors that must be considered in the construction of commercial buildings and the actions taken so that the construction management function has a significant effect on the success of internal commercial building construction projects project development from its understanding, construction management applies management functions to a project by utilizing resources effectively and efficiently to achieve project objectives. the main objective of construction management is to manage management functions effectively and efficiently so as to obtain optimal results in accordance with the agreement with the project owner. The sampling technique chosen was Interview/Questionnaire and Primary Data. In this study, a sample of25 respondents from several different construction service companies was required. based on Company Status, type of company, company work experience, aspects of work equipment, capital / finance, HR (Human Resources). Analysis of construction management factors in the construction of commercial buildings in the city of Medan. Analysis of questionnaire data taken from 25 respondents was processed with Microsoft Office Excel 2010.
Pengaruh Penggunaan Crumb Rubber sebagai Substitusi Agregat Halus terhadap Kuat Tekan Beton Tidak Bertulang Suganda, Defri; Fahri, Tengku Muhammad; Nasution, Adinda Juwita; Ridha, Muhammad Abdhi; Hutasuhut, Syafrida Hanum
SPROCKET JOURNAL OF MECHANICAL ENGINEERING Vol 7 No 1 (2025): Edisi Agustus 2025
Publisher : Program Studi Teknik Mesin, Universitas HKBP Nommensen, Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36655/sprocket.v7i1.1878

Abstract

This study aims to analyze the effect of using crumb rubber (used tire powder) as a partial substitution of fine aggregate in unreinforced concrete. especially compressive strength and concrete weight. Crumb rubber variations used were 0%, 5%, 15%, and 25% of the volume of fine aggregate. Tests were conducted on 15 cm × 30 cm cylindrical specimens treated for 28 days. The main parameters tested included compressive strength and water absorption. The results showed that the addition of crumb rubber decreased the compressive strength of concrete significantly, the highest compressive strength was obtained in normal concrete (25.8 MPa), while the mixture of 25% crumb rubber produced the lowest compressive strength (3.9 MPa). However, it provides advantages in terms of lighter specific gravity and better water absorption. However, the addition of crumb rubber reduced the weight of the concrete by 19.4%. The use of crumb rubber at 5% is considered the most optimal alternative with a decrease in compressive strength that is still within the tolerance limit for non-structural concrete. This research supports the utilization of waste tires as an effort to support sustainable development. Keywords: crumb rubber, non-reinforced concrete, waste tires, compressive strength, lightweight concrete
Perancangan Job Mix Design untuk Uprating Kapasitas IPA Sunggal Menjadi 400 Liter Per Detik Fahri, Tengku Muhammad; Ridha, Muhammad Abdhi; Hutasuhut, Syafrida Hanum
Journal Scientific of Mandalika (JSM) e-ISSN 2745-5955 | p-ISSN 2809-0543 Vol. 6 No. 4 (2025)
Publisher : Institut Penelitian dan Pengembangan Mandalika Indonesia (IP2MI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/10.36312/vol6iss4pp1010-1015

Abstract

This study aims to design an optimal Job Mix Design (JMD) in supporting the uprating construction work of the Sunggal Water Treatment Plant (IPA) up to a capacity of 400 liters per second. The research method uses a quantitative approach with the stages of data collection, material selection, concrete composition design, and quality testing. The materials used include type I cement from Semen Padang, sand and split stone from Sei Wampu Binjai, drilled well water, and Plastiment P121R additional materials. The results showed that the optimal composition for 1 m³ of concrete K-250 consisted of 305 kg of cement, 835 kg of sand, 388 kg of 10-20 mm split, 718 kg of 20-30 mm split, 150 liters of water, and 0.92 liters of P121R Plastiment. Tests show that concrete achieves a characteristic compressive strength of 250 kg/cm² at 28 days of age with a slump value of 12±2 cm. The use of local materials contributes to transportation cost efficiency and supports the local economy. The use of Plastiment P121R as an additive improves the workability of concrete and reduces the need for water in the mixture. This research results in a concrete design that meets the technical specifications for IPA uprating construction with an efficient and sustainable approach, and can be a model for the development of water treatment infrastructure in the future.
Co-Authors Adinda Juwita Nasution Gultom, Roi Yanto Hutasuhut, Syafrida Hanum Ridha, Muhammad Abdhi Suganda, Defri