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All Journal PALITA: Journal of Social - Religion Research Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat Jurnal Inotera Data Science: Journal of Computing and Applied Informatics International Journal Of Science, Technology & Management (IJSTM) Moderasi; Jurnal Studi Ilmu Pengetahuan Sosial International Journal of Educational Review, Law And Social Sciences (IJERLAS) Journal Islamic Economics Ad Diwan Journal of Planning and Research in Civil Engineering Al-Bidayah : jurnal pendidikan dasar Islam Design Journal Jurnal Teknik Sipil dan Perencanaan International Journal of Education Management and Religion
Mahyuddin
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Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation Other

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Impact of River Infrastructure on Sediment Distribution to Maintain Reservoir Lifespan: A Case of the Bili-Bili Reservoir, Jeneberang Basin, Indonesia Hasnawi, Mursyid Hasnawi; Ritnawati; Mahyuddin; La Ode Agisaqma; Muhammad Subri
Jurnal Teknik Sipil dan Perencanaan Vol. 27 No. 2 (2025): Jurnal Teknik Sipil dan Perencanaan
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v27i2.23178

Abstract

This study investigates the impact of river infrastructure on sediment distribution in the Bili-Bili Reservoir. Bathymetric data obtained using an echo-sounding sonar system were processed with Surfer 14 to analyze reservoir bottom morphology, storage capacity, and sediment accumulation. Hydrological modeling with NRECA calibration was combined with field measurements to estimate sediment inflow and storage loss. Results show cumulative sedimentation increased by 42% (1997–2005), 33% (2005–2011), and 25% (2011–2017), with a peak deposition of 21.74 × 10⁶ m³ in 2005. Following the construction of sabo dams, consolidation dams, and check dams in 2011, sedimentation rates decreased by 57% relative to 2005. Reservoir capacity declined from 365 × 10⁶ m³ in 1997 to 264 × 10⁶ m³ in 2017, reducing the effective service life by approximately 6.5 years. The remaining lifespan of the reservoir in 2017 was 24 years and 4 months, compared to the original design life. These findings emphasize that periodic dredging (every four years), monthly sediment removal at the consolidation dam, and sediment trapping in the Jeneberang watershed are essential to sustain reservoir performance.
The Impact of Using Combine Harvester on Economic Factors of Rice Farmers in Gowa Regency Rudy Immanuel Pundising; Laode Asrul; Mahyuddin
International Journal of Science, Technology & Management Vol. 2 No. 1 (2021): January 2021
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v2i1.131

Abstract

Efforts from a development process cannot be separated from the existence of effective agricultural information and technology as well as accurate information in the hope that there will be changes in the behaviour and abilities of farmers in farming activities and increased production to realize the goals of a development process, namely rice self-sufficiency. Gowa Regency is a district whose population is mostly engaged in agriculture and areas that do not escape the government's attention, especially in the agricultural sector. In applying new technology, of course, there must be the roles of certain parties in the application of technology, both from the government, extension agents and farmers (target/community). The data needed in this study are primary data and secondary data. Primary data is data obtained directly from the field through direct interviews with sample farmers who are guided by prepared questionnaires. The data obtained are primary and secondary data processed by quantitative methods. In this study, the analysis used is the different test for two different samples (t-test) and the Structural Equation Model (SEM) analysis model. Combine harvester affects the socio-economic income of lowland rice farmers in Gowa Regency with the presence of agricultural machine tools combine harvester, so rice farmers are more benefited from a time-efficient point of view and the need for labour was minimal and income also increased by about 15% from conventional harvesting. There is a need for socialization of the use and utilization of agricultural so that farmers are more interested in using agricultural machine tools in the field.
The Influence Of Total Quality Management (TQM) On Operational Performance Mediated By Innovation; Study On Msms Under The Guidance Of The MSME Incubator In Makassar City Mahyuddin; Okta Nofri; S. Widad Ahmad
International Journal of Education Management and Religion Vol. 3 No. 1 (2026): January 2026
Publisher : Pondok pesantren As-salafiyah As-Safi'iyyah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71305/ijemr.v3i1.1171

Abstract

Micro, Small, and Medium Enterprises (MSMEs) in Makassar City face various challenges that hinder their competitiveness both locally and globally. The main obstacles include low understanding of digital technology, limited access to capital, inadequate financial literacy, and weak managerial capabilities. In addition, inconsistent product quality and a lack of innovation make MSMEs vulnerable to market pressures, especially from imported products marketed through socio-commerce platforms such as TikTok Shop. To address these challenges, MSMEs need to adopt a comprehensive total quality management approach and enhance innovation as efforts to strengthen their operational performance. This study employs a quantitative method with an associative approach. The sample consists of 130 respondents from MSMEs under the guidance of the Makassar City MSME Incubator, selected using purposive sampling techniques. Data were collected through questionnaires designed with a Likert scale. The data were analyzed using the Structural Equation Modelling (SEM) method based on Partial Least Square (PLS), which includes the evaluation of the outer model, inner model, and goodness of fit to test the relationships among variables. The results show that Total Quality Management (TQM) has a positive and significant effect on innovation and operational performance. Innovation also positively influences the operational performance of MSMEs. Furthermore, innovation is proven to play a significant partial mediating role in the relationship between TQM and operational performance. These findings emphasize that the effective implementation of TQM, along with strong support for innovation, can enhance the competitiveness and sustainability of MSMEs in Makassar City.
Perancangan Sistem Pakar untuk Mendiagnosa Tingkat Stress Belajar pada Siswa SMA dengan Menggunakan Metode Forward Chaining Amalia, Cut Rizki Putri; Mahyuddin
Design Journal Vol. 1 No. 1 (2023): January
Publisher : Yayasan Pendidikan Mitra Mandiri Aceh (YPMMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58477/dj.v1i1.27

Abstract

The purpose of this research is to create an expert system using Forward Chaining to diagnose the level of learning stress in high school students using Sugeno's Fuzzy Inference System method. Data Flow Diagrams (DFD) are used to describe a data logic model or process created by the system while prototype is a development method that is used as a stage in developing applications and testing. Based on the results of research and testing of expert system design to diagnose learning stress levels in high school students using the Website-based Forward Chaining method that has been carried out by the author, several conclusions can be drawn, namely; This research succeeded in making an expert system design to diagnose the level of learning stress in high school students using the Forward Chaining method, and this study succeeded in carrying out an analysis of the results of IF THEN ELSE calculations using Forward Chaining.
Performance Identification of Eutectic Fatty Acid-PLA Based Phase Change Material Board Installed in a Mini-Cubicle System Aidy, Nurhanifa; Lindawati; Iqbal; Mahyuddin; Muhtadin; Muhammad Faisal; Yusrizal
Jurnal Inotera Vol. 11 No. 1 (2026): January-June 2026
Publisher : LPPM Politeknik Aceh Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31572/inotera.Vol11.Iss1.2026.ID659

Abstract

Thermal comfort regulation in buildings located in hot climates, such as Indonesia, remains highly dependent on air conditioning (AC) systems, leading to substantial energy consumption. Integrating Phase Change Materials (PCM) into building envelopes offers a passive thermal management strategy to reduce cooling loads. This study investigates the thermal performance of a gypsum-based wall incorporating a eutectic fatty acid PCM (laurate–stearate) of 85:15 (wt%) modified with polylactic acid (PLA) at three PCM:PLA ratios (1:0.6, 1:0.8, and 1:1), alongside a control sample without PCM. Samples were fabricated at laboratory scale and evaluated using a mini-cubicle system under controlled charging and discharging conditions. Energy performance was assessed through temperature change rates and heat transfer (q) analysis at three measurement points (T1, T2, T3). Results demonstrate that PLA modification significantly enhances PCM performance, with the 1:0.8 ratio (bPCM) exhibiting optimal behavior. During charging, bPCM achieved the lowest temperature change rates of 4.75 °C/h at T1, 1.15 °C/h at T2, and 0.65 °C/h at T3 and the minimum heat transfer from T2 to T3 of 32.049 J. Similarly, during discharging, bPCM maintained the smallest temperature change rates of 2.2 °C/h at T1, 1.0 °C/h at T2, and 0.65 °C/h at T3 with the lowest heat transfer to the indoor zone of 32.033 J. These findings confirm that optimized PLA-modified eutectic PCM significantly improves heat absorption, latent heat storage, and thermal insulation performance compared to non-PCM and non-optimized compositions. The proposed composite wall system demonstrates strong potential for passive cooling enhancement and building energy efficiency improvement in hot-climate regions
Analisis Produktivitas Dan Biaya Alat Berat Pada Penanganan Long Segment Jalan Sapta Marga Kampung Besar Kecamatan Banda Mulia mahyuddin; Rajib Muammar; Iqbal
Jurnal Perencanaan dan Penelitian Teknik Sipil Vol 5 No 1 (2026): Maret
Publisher : Universitas Iskandar Muda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55616/prince.v5i1.1112

Abstract

Heavy equipment plays an important role in accelerating construction processes and reducing operational costs. Equipment such as dump trucks, motor graders, vibrator compactor rollers, and water tank trucks significantly influence project completion time. However, initial planning often does not match field conditions, resulting in increased costs and delays. Therefore, an analysis of heavy equipment productivity is necessary to ensure efficient utilization and cost optimization. This study aims to analyze the productivity, implementation time, and cost of heavy equipment in the Long Segment Handling Project for routine maintenance, periodic maintenance, and road reconstruction on Jalan Saptamarga – Kampung Besar, Banda Mulia District, specifically for subbase (LPB) and base (LPA) layers over a 1,000-meter section. The analysis of productivity and equipment costs was conducted using the Bina Marga 2023 method. The results show that the productivity of dump trucks is 30.42 m³/day, motor graders reach 975.20 m³/hour for LPB and 989.00 m³/hour for LPA, vibrator compactor rollers achieve 928.20 m³/day for LPB and 702.84 m³/day for LPA, while water tank trucks reach 450.00 m³/day. The LPB work requires 3 working days using 14 dump trucks and one unit each of motor grader, compactor roller, and water tank truck. Meanwhile, LPA work is completed in 2 days using 12 dump trucks and one unit of each supporting equipment. The rental costs per day are Rp 2,356,235.39 for dump trucks, Rp 3,467,735.73 for motor graders, Rp 2,846,290.20 for vibrator compactor rollers, and Rp 2,367,435.18 for water tank trucks. The total equipment rental cost is Rp 125,006,269.65 for LPB and Rp 73,912,571.55 for LPA, resulting in an overall cost of Rp 198,918,841.20.
Co-Authors Abd Hakim Mohad Ramli Abdul Rasyid Masri Amalia, Cut Rizki Putri Ambia Nurdin Ariadin, Silmi Qurota Ayun Bakri, Muhiddin Bukhari Deasy, Deasy Dewi Sartika Br Ginting ERLINDA Erwin Fauzan Febriana, Henny Fitriani Fuzy Yustika Manik Hasan Hasnawi, Mursyid Hasnawi Herawati, Elvina Iqbal Jonathan Liviera Marpaung La Ode Agisaqma Laode Asrul, Laode LINDAWATI Mohd Azmir Mohd Nizah Mohd Isa T.Ibrahim Muhammad Muhammad bayhaqqi Muhammad Faisal Muhammad Subri Muhtadin MULYADI Murtadhahadi Nurhanifa Nurhanifa Okta Nofri Raden Mohamad Herdian Bhakti Rajib Muammar Ranti, Gemala Ritnawati Rudy Immanuel Pundising S. Widad Ahmad Sawaluddin Sutarman Teuku Rihayat Yusrizal Zahrul Fuadi zamzami