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All Journal Jurnal Teknik Sipil Terapan Jurnal Sains dan Teknologi
Irsyad, Muhamad
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Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Social Sciences Transportation

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Black Box Testing Dengan Teknik State Transition Testing Pada Inventori Alat-Alat Medis Setiawan, Alvin; Gunawan, Heru; Hidayatullah, Alfin; Putra, Muhammad Aprinaldi Syah; Sugema, Rizqy Cahya; Pane, Aldo Hasiolan; Nasution, Ahmat Rajalli; Irsyad, Muhamad
Jurnal Sains dan Teknologi (JSIT) Vol. 2 No. 2 (2022): Mei - Agustus
Publisher : CV. Information Technology Training Center - Indonesia (ITTC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jsit.v2i3.218

Abstract

South Tangerang General Hospital has an inventory system for medical devices that are used for recording incoming and outgoing medical devices. By the Ministry of Health of the Republic of Indonesia 2018, hospitals need a service system that can meet the requirements for quality, safety, and benefits of maintaining the quality of medical devices and health supplies. To determine the quality of a system, it is necessary to test the software to see the conditions directly. Black Box Testing is one of the most commonly used testing methods. This method is done by looking at the input and output of each system flow. Testers in this test method do not have to understand the flow of system code but must know the flow of system expectations. One technique of the black box testing method is the state transition technique. The state transition technique is done by looking at the suitability of the flow from one path to the next. The results of testing on the medical equipment inventory system at South Tangerang General Hospital were found to be 100% appropriate.
Beton Geopopolimer Hibrid Abu Terbang untuk Kolam Penampungan Limbah Cair Kelapa Sawit Aqilla, Azzahra; Khoiri, Salsabilla Rahmadia; Arrasyid, Taufik Hatta; Irsyad, Muhamad; Delthayanti, Annesya Fabyola; Wibisono, Gunawan; Olivia, Monita
Jurnal Teknik Sipil Terapan Vol. 7 No. 3 (2025): E-ISSN 2714-7843
Publisher : Jurnal Teknik Sipil Terapan (JTST)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47600/jtst.v7i3.1226

Abstract

 Palm Oil Mill Effluent (POME) is an agro-industrial waste characterized by a low pH and high concentrations of organic pollutants, including COD and BOD, making it hazardous to the environment if untreated. This study investigates the application of fly ash-based self-healing hibrid geopolymer concrete as a sustainable material for POME stabilization ponds. The concrete mix included fly ash (75%), PCC (15%), 10% silica fume, NaOH solutions of 10M and 14M, and silicate modulus ratios of 2.5 and 3. Cylindrical concrete specimens measuring 150x210 mm were immersed in POME for 7, 14, and 28 days. Tests included compressive strength, porosity, UPV, and visual inspections. Results revealed that concrete with 14M NaOH, a silicate modulus of 3, and 10% silica fume exhibited optimal compressive strength (12.5 MPa), low porosity (9.2%), and high durability after 28 days of immersion. These findings suggest that hibrid geopolymer concrete can serve as an environmentally friendly alternative to conventional pond linings, enhancing resistance to the aggressive chemical environment of POME. Further research is recommended to explore long-term performance and field applications of this material. Keywords: Geopolymer, Palm Oil Mill Effluent, Silica Fume, Stabilization Pond        
Co-Authors Alvin Setiawan Aqilla, Azzahra Arrasyid, Taufik Hatta Delthayanti, Annesya Fabyola Gunawan Wibisono Gunawan, Heru Hidayatullah, Alfin Khoiri, Salsabilla Rahmadia Monita Olivia Nasution, Ahmat Rajalli Pane, Aldo Hasiolan Putra, Muhammad Aprinaldi Syah Sugema, Rizqy Cahya