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All Journal JURNAL INSTEK (Informatika Sains dan Teknologi) Jambura Physics Journal Rekayasa: Jurnal Teknik Sipil Jurnal Mosfet JURISTA : Jurnal Hukum dan Keadilan Al-Gazali Journal Of Mechanical Engineering
Muhammad Khaidir
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Religion Aerospace Engineering Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences

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Penambahan Bahan Aditif Polymer Polierta Untuk Meningkatkan Kuat Tekan Beton Safrin Zuraidah; Muhammad Khaidir; Wisnu Abiarto
Rekayasa: Jurnal Teknik Sipil Vol 3, No 1 (2018): Rekayasa Teknik Sipil
Publisher : Universitas Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53712/rjrs.v3i1.418

Abstract

ABSTRAK : Tujuan penelitian ini adalah meningkatkan kuat tekan beton  , yang dilakukan dengan memberikan zat aditif, diantaranya adalah Polymer Polierta dan Fly Ash. Jumlah benda uji  27 sampel yang dibagi menjadi tiga jenis beton dengan kadar air 130Kg/m3, 150Kg/m3, 190Kg/m3  , dengan kadar aditif 1.1%, 1%, dan 0%. Metode rancangan campuran (mix design) menggunakan British mix design method sesuai aturan SNI 03-2834-2000. Benda uji menggunakan zat aditif Polymer Polierta konsentrasi 1% terhadap berat total semen dan fly ash, dengan kadar air 150 kg/m³ menghasilkan slump flow 61cm dan kuat tekan sebesar 191,82 Kg/cm² pada umur 1 hari, 380,63 Kg/cm² pada umur 7 hari dan 608,37 Kg/cm² pada umur 28 hari. Sedangkan untuk beton dengan kadar air 130 kg/m³ dengan zat additif 1,1% menghasilkan slump flow 63cm dan kuat tekan 317,62 Kg/cm² pada umur 1 hari, 368,36 Kg/cm² pada umur 7 hari dan 641,96 Kg/cm² pada umur 28 hari. Beton dengan penambahan zat additif Polymer Polierta meningkatkan kuat tekan dibandingkan dengan beton normal namun memperlambat waktu ikat atau pengerasannya. Direkomendasikan penggunaan kadar air 130 Kg/m³ dan penambahan zat additif Polymer Polierta 1,1% dari berat total semen dan fly ash untuk mendapatkan kuat tekan yang optimum pada beton mutu tinggi. 
RANCANG BANGUN SISTEM KONTROL MINIATUR ALAT PEMINDAH MATERIAL PADA PROSES DISTRIBUSI BIJIH NIKEL MENGGUNAKAN PLC Abdul Haris Mubarak; Moh Afandy; Muhammad Khaidir
Jambura Physics Journal Vol 5, No 1 (2023): April 2023
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jpj.v5i1.18466

Abstract

This research aims to make a miniature ore material transfer tool automatically using Omron PLC. The way this tool works is that when the start button is pressed, motor 1 will move the apron containing the ore to be taken to the 3 storage barrels to be filled alternately. In each storage barrel, a proximity sensor is installed to detect the level of ore filling. On the rails that are passed by the apron, there are three limit switches that serve as indicators that the position of the apron is right above the storage barrel, then motor 2 will open the valve on the apron so that the ore on the apron falls into the reservoir. From this research, we have succeeded in obtaining an automatic control system for a miniature material transfer device in the ore distribution process.
THE LEGALITY OF TRADITIONAL OIL MINING EXPLORATION IN RANTO PEUREULAK, EAST ACEH: AN ANALYSIS OF THE ISLAMIC ECONOMIC LAW PERSPECTIVE Muhammad Khaidir; Ajidar Matsyah; Muhammad Dayyan
JURISTA: Jurnal Hukum dan Keadilan Vol. 8 No. 2 (2024): JURISTA: Jurnal Hukum dan Keadilan
Publisher : Centre for Adat and Legal Studies of Aceh Province (CeFALSAP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/jurista.v8i2.165

Abstract

This article aims to examine the legality of oil mining resulting from traditional mining exploitation by the Ranto Pereulak community, East Aceh. This research uses descriptive qualitative research methods and the approach used in this research is a sociological normative approach. This research was located in Ranto Peureulak District, which is one of the sub-districts in East Aceh Regency. The results of this research show that the East Aceh Government through Qanun Number 6 of 2009 provides space for the community to manage mining products, in this case oil, by obtaining an IUP issued by the East Aceh government and going through all the conditions therein. The IUP is granted by the Regent after obtaining principle permission or approval from the Governor through the relevant provincial and district level agencies. However, in practice, many people in Ranto Peureulak District, East Aceh Regency, in managing illegal wells traditionally do not follow the applicable SOPs or regulations. Then the oil drilling carried out can endanger the health of workers and the surrounding community. This can also have an impact on the environment, because it does not pay attention to health standards or Health Safety and Environment or abbreviated as (HSE), which is the main priority for mining. In terms of safety too, it often catches fire and causes casualties, both workers and residents. Because drilling oil and gas wells is a very complex process and at each step procedures, requirements and important decisions are required that must be considered and implemented very carefully.
RANCANG BANGUN ALAT PENGERING MEKANIS ADONAN PERMEN JELLY RUMPUT LAUT SYAHRUL MUSTAFA; MUHAMMAD KHAIDIR; A.MUHAMMAD SYAFAR; NURUL FUADI
Jurnal INSTEK (Informatika Sains dan Teknologi) Vol 9 No 1 (2024): APRIL
Publisher : Department of Informatics Engineering, Faculty of Science and Technology, Universitas Islam Negeri Alauddin, Makassar, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/instek.v9i1.46421

Abstract

Pengeringan dengan cara tradisional yang dilakukan oleh nelayan pesisir pantai yang masih memanfaatkan sinar matahari langsung dengan lama 8 sampai 10 hari sehingga membutuhkan waktu yang relative lama dan dengan dibuatnya alat ini dapat meningkatkan penghasilan permen jelly rumput laut tanpa membutuhkan bantuan sinar matahari sehingga dapat mempercepat waktu pengeringan dan untuk meningkatkan efisiensi dari alat pengering. Proses kerja alat kami yaitu tambahan energi dalam bentuk panas. Untuk itu diperlukan heater sebagai sumber panas. Untuk mengendalikan panas heater diperlukan kontroler suhu (temperature controller). Metode pengeringan permen jelly rumput laut yang dilakukan untuk mendapatkan hasil permen jelly yang terbaik tersebut adalah dengan menstabilkan suhu udara panas dalam ruang pengering dan lamanya waktu pengeringan yaitu pada suhu 55 dalam waktu 6 - 8 jam dan daya dari heater sebesar 900 watt dimana dengan kondisi tersebut dapat mengeringkan permen jelly rumput laut.
Pengembangan PLTMH dengan Model Multipowerhouse (MPH) untuk Optimalisasi Air Buangan Turbin PLTMH Garassik di Sungai Garassik Kab. Enrekang Muhammad Khaidir; Rahman, Fadhli; Mustafa, Syahrul
Jurnal Mosfet Vol. 5 No. 1 (2025): 2025
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare (FT-UMPAR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jmosfet.v5i1.3510

Abstract

The Garassik Micro-Hydro Power Plant in Panassang Village, Enrekang Regency, with an installed capacity of 3.7 kW, experiences an energy deficit due to the community's electricity demand of 390.74 kWh per day. Despite its efficient operation, the plant generates a maximum of only 88.8 kWh per day, underscoring the need for capacity enhancement. This study explores the potential of utilizing turbine wastewater as an energy source by designing a Multi Powerhouse (MPH) Micro-Hydro Power Plant to optimize water energy usage. The proposed MPH system evaluates water energy potential, determines optimal powerhouse placements for effective head height, and calculates total power output. Unlike the single-powerhouse model, the MPH system addresses water flow limitations, particularly during periods of reduced flow, significantly improving total power output to 160.235 kW, a 171% increase. Key advantages of the MPH model include better utilization of turbine wastewater, enhanced operational flexibility, and improved water energy efficiency. Using a descriptive quantitative research method, this study begins with a location survey to collect turbine wastewater characteristics, followed by mathematical modeling for analysis. Results reveal output flow rates of 0.189 m³/s, 0.187 m³/s, and 0.185 m³/s across three powerhouses, with effective head heights of 24.782 m, 29.725 m, and 34.729 m, respectively. The system uses Crossflow turbines, ideal for medium heads and moderate flow rates. Economic analysis indicates an NPV of IDR 2.400.000.000,- an IRR of 14%, and a BCR of 2.5, with a payback period of 5.45 years, making the project financially viable and sustainable.
MODUL PRAKTIKUM INSTRUMENTASI DAN PENGUKURAN BESARAN LISTRIK Sriwati; Muhammad Khaidir; Risaldi
Al-Gazali Journal Of Mechanical Engineering (AJME) Vol. 2 No. 01 (2024): Volume 2, No 1, April, 2024
Publisher : Teknik Mesin Fakultas Teknik Universitas Islam Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Pada laboratorium teknik elektro tidak memiliki modul praktikum instrumentasi dan pengukuran besaran listrik yang menyebabkan mahasiswa tidak dapat memahami dengan baik tentang pengukuran besaran listrik dan pada saat yang bersamaan pemahaman pada pengukuran besaran listrik merupakan salah satu item yang harus di capai sebagai lulusan teknik elektro Universitas Islam Makassar. Karena itu dibuat modul praktikum instrumentasi dan pengukuran besaran listrik dengan tujuan Merancang dan membuat papan bidang kerja untuk modul praktikum instrumentasi dan pengukuran besaran listrik dan Membuat buku panduan praktikum instrumentasi dan pengukuran besaran listrik. Dengan adanya modul ini mahasiswa dapat memahami dasar-dasar tentang kelistrikan dan bagaimana cara menggunakan alat ukur listrik pada rumah tinggal sesuai dengan standard SNI dan PUIL 2000. Dengan adanya modul ini mahasiswa juga dapat memahami meteri pembelajaran dengan baik karena sudah tersedia di laboratorium dan dapat mempraktekkan/mengimplementasikannya secara langsung.
Co-Authors A.MUHAMMAD SYAFAR Abdul Haris Mubarak Ajidar Matsyah Moh Afandy Muhammad Dayyan Mustafa, Syahrul Nurul Fuadi Rahman, Fadhli Risaldi Sriwati Syahrul Mustafa Wisnu Abiarto Zuraidah, Safrin