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NU-JST
Published by Universitas Nahdlatul Ulama Kalimantan Selatan
ISSN : -     EISSN : 30483859     DOI : https://doi.org/10.69959/nujst.v1i2
Core Subject : Science, Engineering,
Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering Materials Science & Nanotechnology
NU-JST is a national scale journal that covers various issues and studies in the fields of science and technology. The aim of this educational journal is to disseminate conceptual thoughts and research results that have been achieved in the fields of Pharmacy, Mathematics and Natural Sciences, Computer Science, Information Technology, Civil Engineering, Architectural Engineering, Regional and City Planning, as well as topics related to these fields. other social sciences.
Arjuna Subject : Umum - Umum
Articles 17 Documents
 1   2 
Perbandingan Algoritma YOLOv4 dan YOLOv4-tiny dalam Deteksi Korban Bencana Alam: Comparison of YOLOv4 and YOLOv4-tiny Algorithms in the Detection of Victims of Natural Disasters El hakim, Faris Abdi; Islam Mashuri, M Adamu
Nusantara Journal of Science and Technology Vol 1 No 2 (2024): Published in November of 2024
Publisher : Lembaga Penelitian dan Pengabdian pada Masyarakat (LPPM) Universitas Nahdlatul Ulama Kalimantan Selatan

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Abstract

Currently, artificial intelligence technology is widely discussed by researchers and this technology can help us in our daily lives. So that there are many applications in various fields, one of which is the topic in our paper namely the detection of victims of natural disasters. This is really needed by the rescue team in speeding up the search for victims of natural disasters because the tools currently used are only heavy equipment, so it takes a long time to search for victims of natural disasters. In this paper we will compare the speed of detection and accuracy in detecting victims of natural disasters using the You Only Look Once (YOLO) version 4 and YOLOv4-tiny algorithms. We train with the same parameters and dataset but with a different architecture. From the results, we get the YOLOv4-tiny algorithm is faster in detecting disaster victims but has an accuracy of 75% whereas the YOLOv4 algorithm takes longer to detect victims of natural disasters but has an accuracy of 54%.
Studi Kegagalan Adhesi Granit Dinding di Masjid Al Wustha Marampiau Hilir: Study of Adhesion Failure of Granite Walls at Al Wustha Mosque, Marampiau Hilir Aminullah, Aminullah
Nusantara Journal of Science and Technology Vol 1 No 2 (2024): Published in November of 2024
Publisher : Lembaga Penelitian dan Pengabdian pada Masyarakat (LPPM) Universitas Nahdlatul Ulama Kalimantan Selatan

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Abstract

The use of granite gives a majestic and authoritative impression to buildings of worship, and across generations. However, in many cases failures are found. This study highlights the failure of granite installation that occurred at Al Wustha Mosque, Margasari, a large mosque, and passed by the Hulu Sungai alternative road to Banjarmasin. Considering the high cost of granite work and the potential danger to the safety of the congregation, it is necessary to investigate the cause of the failure. This study explored academic sources, narration of events from witnesses (merbot), writings of practitioners' experiences, and knowledge products from granite-producing manufacturers. Data analysis was conducted by reconstructing the implementation method and comparing it with the theory of granite installation. It was found that some procedures were carried out properly, such as mixing adhesive paste, but there were also omissions, for example the implementer allegedly did not soak the granite before installation. In addition, there were shortcomings in the planning that did not anticipate the heat of the sun shining directly on the granite masonry. A number of recommendations are made in the conclusion of the study.
Rancang Bangun Sistem Arsip Surat Berbasis Web Menggunakan Metode Waterfall Pada Pergerakan Mahasiswa Islam Indonesia(PMII) Komisariat Universitasitas Nahdlatul Ulama Kalimantan Selatan Risdayati, Sunni; Mawaddah, Nurul
Nusantara Journal of Science and Technology Vol 2 No 1 (2025): Published in May of 2025
Publisher : Lembaga Penelitian dan Pengabdian pada Masyarakat (LPPM) Universitas Nahdlatul Ulama Kalimantan Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69959/nujst.v2i1.113

Abstract

The Indonesian Islamic Student Movement (PMII) South Kalimantan Nahdlatul Ulama Commissariat is a student organization that is actively involved in various academic and non-academic activities. One of the basic needs of this organization is to manage mail archives efficiently and regularly. This research aims to design and develop a web-based letter archive system that can help PMII in managing letter archives more effectively. The method used in this research is the Waterfall method, which involves several stages, namely requirements analysis, system design, implementation, testing and maintenance. At the needs analysis stage, user needs and system specifications to be built are identified. Next, system design is carried out which includes designing the database, interface and system workflow. The implementation stage is carried out by building a system using the PHP programming language and MySQL database. System testing is carried out to ensure the system runs according to predetermined specifications. Finally, the maintenance stage is carried out to ensure the system continues to function properly and make repairs if errors are found. This system is expected to increase the efficiency and effectiveness of managing letter archives at PMII Nahdlatul Ulama Commissariat, South Kalimantan.
SISTEM INFORMASI MANAJEMEN DATA PRESTASI MAHASISWA MENGGUNAKAN PHP DAN MYSQL (STUDI KASUS UNIVERSITAS NAHDLATUL ULAMA KALIMANTAN SELATAN) Sofyar, Sofyar; Rafii, Muhammad; Fajrian Noor, Muhammad; Najib, Najib
Nusantara Journal of Science and Technology Vol 2 No 1 (2025): Published in May of 2025
Publisher : Lembaga Penelitian dan Pengabdian pada Masyarakat (LPPM) Universitas Nahdlatul Ulama Kalimantan Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69959/nujst.v2i1.144

Abstract

This study aims to develop an application that can store and manage student achievement data well to support increased efficiency in scholarship distribution. In addition, it also includes improving the selection process and student achievement assessment to be more accurate and transparent, as well as improving the quality of management of the achievement scholarship program at the Nahdlatul Ulama University of South Kalimantan (Unukase). This study used the prototype method. The method used in this study is the prototype method of software development models consisting of the stages of needs analysis, design, coding, and testing. This method allows researchers to get direct feedback from users during the system development process. The result of this study is a web-based application that helps manage student achievement data at Unukase.
Permodelan Perilaku Daktail Balok T pada Beton Mutu Tinggi Syaikhani, Ahmad; Tjitradi2, Darmansyah; Chairunnisa, Nursiah
Nusantara Journal of Science and Technology Vol 2 No 1 (2025): Published in May of 2025
Publisher : Lembaga Penelitian dan Pengabdian pada Masyarakat (LPPM) Universitas Nahdlatul Ulama Kalimantan Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69959/nujst.v2i1.181

Abstract

The use of reinforced concrete beams using a slender and high quality make manufacturing more efficient, but it could be a problem, especially in terms of deflection and torque occurs. Besides the issue of deflection and torsion of reinforced concrete beams are also vulnerable to shear failure, because the beam will suddenly fall without notice. By increasing the volume of concrete, it will increase the ability of beam bending, shear, ductility and strengthen the torsion beam, but if increasing the volume of concrete will increase the cost and increase the space or want a beam to beam slim in terms of aesthetics . This experiment without increasing the volume of concrete but do in the area of compressed concrete curbs and closed. Experimental models used are high quality concrete T beam with a length of 3.85 m . The number of flexural steel reinforcement 3 pieces with a diameter of 16 mm bending, body reinforcement of 8 mm diameter, 8 mm diameter tensile reinforcement and stirrups of 8 mm diameter (Ramaswamy, 2006). Furthermore, the implementation of a model created in ANSYS with the concrete material was modeled as SOLID 65, Steel material is modeled with SOLID 45, and reinforcing steel were modeled as LINK 8. Then redesign beam experiments with the same capacity so that the beam implementation in detail as reinforced concrete beams with a span length profiles T (L) 3.85 m, height (h) 350 mm, web beam width (bw) 150 mm, effective flens width (be) 375 mm, 450 mm and 600 mm. Beam profile T design used double the number of reinforcement rebars press 6 pieces of 10 mm diameter, reinforced pull 3 pieces of 22 mm diameter, and stirrups were used diameter of 10 mm. The quality of concrete used (fc') = 65 MPa. Flexural yield stress and tensile steel reinforcement is used (fy) = 400 MPa and reinforcement steel stirrups used (fy) = 240 MPa. Analysis of the modeling is done using the finite element method with a variation of the cross bar spacing of 50 mm, 75 mm, and 100 mm. The results showed that the load at the first crack that can be accepted on a concrete T beams with increasingly high quality meeting the local press stirrup spacing increased ( but less significant influence ). Then when the ultimate load on the beam can be accepted T on high strength concrete with closed the local press stirrup spacing increased ( significant influence ). Sengkang also affect the crack, the closer the distance stirrup in the press area will strengthen the concrete and reduce the widening cracks, as seen at the time of the first concrete crack and crack mangalami ultimate. While the effective width also affected, the greater the effective width of high strength concrete T beams will increase the moment capable of being held, so that the beam is getting stronger and greater ductility.
ANALISIS DESAIN, STRUKTUR, DAN METODE PELAKSANAAN PEMBUATAN ORNAMEN BERAT MENARA BABUSSALAM MASJID AS-SUADA WARING Aminullah, Aminullah
Nusantara Journal of Science and Technology Vol 2 No 1 (2025): Published in May of 2025
Publisher : Lembaga Penelitian dan Pengabdian pada Masyarakat (LPPM) Universitas Nahdlatul Ulama Kalimantan Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69959/nujst.v2i1.183

Abstract

Mosque minarets are usually tall buildings equipped with loudspeakers for the call to prayer. The shapes of existing mosque towers vary. There are classic shapes, variations, rectangular, spiral towers and cylindrical towers. In classical towers, the ground floor is rectangular, rising to the top to become an octagon, then a cylindrical tower topped by a small dome. The Babussalam Tower is located near the Babus Salam door, door number 1 in the Nabawi Mosque in Medina. It was built in 1307 AD. This tower model was chosen by the owner of the tower construction work for the As Suada Mosque, Waringin Hulu Sungai Utara. This research focuses on ornaments that are quite large, massive and heavy. Its complex shape and high location result in the need to guarantee structural strength and long durability. Failure of this section carries a major risk of accident for anyone crushed below. This requires careful planning and implementation methods to ensure the work is of good quality, both in terms of design accuracy and strength. Writing down the methods that have been used and appear to be successful can hopefully be a trail that can be studied for other complex ornamental structures in the future.
Kajian Struktur Baja Sebagai Alternatif Review Design Struktur Beton Bertulang (Studi Kasus Bangunan 2 Lantai Puskesmas 9 Nopember Banjarmasin) Syaikhani, Ahmad
Nusantara Journal of Science and Technology Vol 2 No 1 (2025): Published in May of 2025
Publisher : Lembaga Penelitian dan Pengabdian pada Masyarakat (LPPM) Universitas Nahdlatul Ulama Kalimantan Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69959/nujst.v2i1.188

Abstract

Current building construction uses more concrete structures, not many of which use steel structures. One of the advantages of using steel is that steel work is faster with simpler steel structure installation support tools, so that it can save procurement costs and time. This study aims to plan the 2-Storey Building of the Puskesmas 9 November Banjarmasin which initially used a reinforced concrete structure into a steel structure. The research method used is to plan columns and beams in the form of steel using the SAP2000 application and earthquake loading according to SNI 1726:2019. Through the calculation of loading and application of structural loads in SAP2000, the value of the ultimate load (Pu) acting on the column and the ultimate moment (Mu) on the beam are obtained. The value of the ultimate load (Pu) will affect the amount of the factored nominal load (?Pn), because the factored nominal load (?Pn) must be greater than the ultimate load (Pu) so that the building structure is safe. However, if the nominal factored load (?Pn) is too large than the ultimate load (Pu), it will cause waste in the building structure (column). From the calculation results, the WF steel profile used is 200.200.10.16 fy = 240 MPa for change a 30x30 column 1st floor and 100.100.6.8 fy = 240 MPa for change a 15x30 at column 2nd floof. On the 1st floor beam measuring 20x30 using the WF steel profile 200.150.6.9 fy = 240 MPa and on the 20x30 beams on floors 2 using the WF steel profile 200.150.6.9 fy = 240 Mpa or fy=450 MPa.

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