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Muhammad Nizar
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Fakultas Teknik, Universitas Serambi Mekkah Jalan Unmuha, Batoh, Telp. (0651) 26160 dan (0651) 22471 Banda Aceh, Indonesia
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Serambi Engineering
Published by Universitas Serambi Mekkah Aceh
ISSN : 25283561     EISSN : 25411934     DOI : http://doi.org/10.32672/jse
Core Subject : Science, Social, Engineering,
Earth & Planetary Sciences Energy Engineering Environmental Science Industrial & Manufacturing Engineering
The Serambi Engineering journal is published as a medium to distribute information on research results in engineering and science, both carried out by lecturers from the Serambi Mekkah University and other parties. Published research can be in the form of field research or laboratory research as well as a literature review. This journal is published four times yearly, namely January, April, July, and October. Editors accept manuscripts from lecturers, researchers, students, and practitioners that have never been published by any other media. Manuscripts submitted will be evaluated and edited for uniformity of format, terms, and other procedures. The topics that can be published but are not limited to are: Water & Waste Water Quality Solid Waste Management Air Pollution Control Environmental Health Environmental Modeling Environmental Management Water Resources Management Occupational Health & Safety Ecology Renewable Energy Circular Economics Sustainable Development Climate Change Mitigation and Adaptation Climate Change and Water Resources Adaptation Urban Planning Informatics Computer and Technology Industrial Engineering Other .
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Teknik Lingkungan
Articles 964 Documents
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Pengaruh Substitusi Pasir Besi Morotai Sebagai Agregat Halus Terhadap Kuat Tekan, Kuat Lentur dan Penyerapan Air Batako Elfira Resti Mulya; Anggriyawan Djafar; Fitro Darwis
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Iron sand, a natural resource found on Morotai Island, has not been fully exploited, unlike beach sand, which is commonly used as a building material for local bricks. However, the exploitation of beach sand may lead to beach erosion on the island. This research aims to investigate the effect of using iron sand as a partial replacement for fine aggregate in bricks on compressive strength, flexural strength and air absorption. The experimental method was carried out in the laboratory with variations in iron sand substitution ranging from 0% to 25% at 5% intervals. The results indicate that iron sand substitution can significantly affect the compressive strength, flexural strength and air absorption of the bricks. Bricks with 25% iron sand substitution showed a 75.23% increase in compressive strength, reaching 9.48 MPa. In addition, the flexural strength of bricks with 25% iron sand substitution increased by 4.66 MPa compared to bricks without substitution, an improvement of 12%. Furthermore, the air absorption test showed that the 25% iron sand substitution reduced the water absorption of the bricks by up to 25.21%. This suggests that a higher percentage of iron sand replacement in the bricks results in a lower water absorption capacity.
Analisis Dinamika Penelitian Pencemaran Air Sungai berdasarkan Studi Bibliometrik 10 tahun terakhir Mia Erpinda; Nur Faizaturrohmah; Suci Wulandari
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

This study analyses the research dynamics on river water pollution over the last decade (2014-2024) using bibliometric analysis. Data were collected using Publish or Perish software with Google Scholar as the main source, using keywords such as 'river pollution', 'river water quality', 'river contamination' and 'river water pollution'. Articles published between 2014 and 2024 were selected, resulting in a total of 1,000 relevant publications. The bibliometric analysis was conducted using VOSviewer version 1.6.20, which allowed mapping of research trends and visualisation of key themes through network, overlay and density visualisation. The results identified five major clusters in river pollution research, with three dominant themes: "water quality index", "metal pollution" and "microplastics". The overlay visualisation showed an increasing focus on emerging themes such as urbanisation and climate change since 2017, and microplastics as a major concern since 2019. This bibliometric analysis provides valuable insights to guide future research by identifying trends and gaps in river pollution studies. It also supports the development of evidence-based environmental policies and highlights the need for interdisciplinary collaboration to effectively address pressing water pollution challenges.
Persepsi Perilaku Sanitasi Masyarakat di Kawasan Semi-Perkotaan Pasca Deklarasi Open Defecation Free dengan Pendekatan IBM-WASH dan KAP Reksa Buana; Prayatni Soewondo
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The Community-Based Total Sanitation (STBM) programme is the government's effort to address the issue of open defecation in Sumedang Regency, with ODF villages reaching 81.23% by 2021. Sawahdadap Village, Cimanggung District, Sumedang Regency, is a rural-urban area that has declared ODF status. The acceleration of ODF has pushed the STBM programme to continue its positive impact and complete the first pillar of STBM, which is ODF. However, this acceleration is forcing all stakeholders to achieve the target without considering the sustainability of the sanitation system afterwards. This study aims to understand perceptions of sanitation behaviour and sustainability in rural-urban areas that have declared ODF status. The EFA analysis showed that community perceptions of the societal/structural (0.684) and individual (0.501) variables contributed the most, with a total variance of 62.82% and 75% of respondents giving positive responses. The KAP analysis of stakeholder perceptions showed knowledge at 94% (SD 0.671), attitude at 87% (SD 0.827) and practice at 93% (SD 1.136), with an average KAP of 91%, confirming that stakeholder perceptions of community sanitation behaviour are good. However, Policy/Regulation (25%) and Financing/Distribution (9%) showed poor scores. Data normalisation indicates that 81% of the community has good sanitation behaviour, while the remaining 19% require additional recommendations and strategies.
Analysis of COD and BOD5 at the Inlet and Outlet of the Wastewater Treatment Plant (WWTP) at Hospital X Sunardi; Fakhrizal Falah; Argoto Mahayana; Sumardiyono; Nur Hidayati; Soebiyanto; Mahardira Dewantara
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Hospitals are one of the service facilities that produce large amounts and quality of liquid waste that requires special attention because it contains hazardous materials for public health and the environment. This study aims to determine the quality of COD and BOD effluents in X Hospital. The type of research used is observational with a descriptive approach. The sampling technique used was purposive sampling, where wastewater samples were taken from two points, namely the inlet and the outlet of the WWTP. Based on the results of the laboratory analysis of the wastewater samples from Hospital X, it can be concluded that the average COD value at the inlet of the WWTP was 64.04 mg/L, while the average COD value at the outlet of the WWTP was 47.90 mg/L, and the average BOD value at the inlet was 12.69 mg/L, while the average BOD value at the outlet was 1.60 mg/L. All of these values are qualified according to the Hospital Activity Liquid Wastewater Quality Standards based on Central Java Province Regional Regulation No. 5 of 2012. It is expected that Hospital X will continue to maintain the wastewater treatment plant.
Sintesis dan Karakterisasi Membran Ramah Lingkungan dari Limbah Styrofoam dengan Penambahan Biochar Nur Fadhila; Yasmine Nur Rahmawati; Nana Dyah Siswati
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Styrofoam waste is increasingly found in Indonesia as packaging, craft materials, decorations, construction materials, etc. Styrofoam consists of 90-95% polystyrene and 5-10% n-butane gas. The production of membranes is one of the solutions to reduce Styrofoam waste through the phase inference method. Polymer membranes in general have poor physical properties. However, this problem can eventually be overcome by adding blends. The addition of biochar has the potential to improve the compatibility between biochar particles and polystyrene. The membrane fabrication results are compared to determine the variation of biochar addition and thickness that has the best hydrophilic properties until the membrane has a contact angle <90o and high porosity. Based on the results of porosity and contact angle analysis on PS-biochar membrane, the best concentration and thickness ratio for membrane fabrication is 2:28 (%Wt) 0.13 mm thickness with a contact angle value of 79°, which means the membrane is hydrophilic as evidenced by the size of contact angle <90° and porosity of 33%. In the results of FTIR (Fourier Transform Infrared Spectroscopy) analysis on the biochar polystyrene membrane there is a peak absorption wave at 1800 which is the absorption of the C=O group which is the absorption of the functional group of biochar.
Pemanfaatan Internet of Things untuk Monitoring Deteksi Tanah Longsor Danang Setiya Raharja; Soepriyono; Andaryati; Nia Saurina; Aris Setiawan Indras Pratama
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Landslides are one of the most common natural disasters in Indonesia. This disaster can cause significant material losses and casualties. Therefore, a landslide monitoring system must be an early warning system. Prevention is one of the important steps to reduce the negative impact of landslides. The existing landslide early warning system still needs improvement, including low accuracy and slow response in providing information. This research aims to create a product, which we have named DinSor, as a landslide early warning system by utilizing the Internet of Things (IoT). The proposed system uses IoT-based sensors to detect changes in ground conditions, including soil movement through ultrasonic sensors and the degree of soil water content through soil mixture sensors. The data generated by these sensors is then displayed on the website as graphs and numbers for analysis. The trial results show that the developed system has advantages in detecting potential landslides. The system's response in providing information has also proven to be accurate and precise, with warning times shorter than previous systems. When the sensor indicates a potential landslide, a warning message can be sent to the local regional disaster management agency via WhatsApp.
Enhanced In-Situ Bioremediation of Petroleum-Contaminated Soil: A Review Rizka Amelia Situmorang; Qomarudin Helmy
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Petroleum is still one of the main sources of energy even though many energy sources have been discovered today. The growing petroleum industry is directly proportional to the contamination that can be caused by this industry. Bioremediation is an environmentally friendly and cost-effective technology that has recently become a favorite technology in dealing with petroleum contaminated soil waste. This technology can be carried out directly in the polluted area, to minimize dredging and transportation costs. However, natural attenuation has limited potential and needs a longer time to degrade hydrocarbon. The article aims to outline the application and factors to consider in in-situ bioremediation of petroleum-contaminated soil.
Penentuan Blacksite dengan Metode Z-Score pada Koridor Ruas Jalan Alianyang – Jalan Pangeran Natakusuma – Jalan Danau Sentarum Kota Pontianak Heri Azwansyah; Umar
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Population growth is creating a high demand for transport, which is causing problems for transport facilities and infrastructure. The Jalan Alianyang - Jalan Pangeran Natakusuma - Jalan Danau Sentarum corridor in Pontianak City has a moderately high accident frequency with a total of 40 accidents involving motorcycles, cars, loaded trucks and pedestrians. The main objective of this research is to determine the accident prone areas using the Z-score method in the corridor of Jalan Alianyang-Jalan Pangeran Natakusuma-Jalan Danau Sentarum, Kota Pontianak. The data was obtained from the Pontianak Municipal Police as traffic accident data from 2018 to 2023. The data was analysed based on accident characteristics, and accident prone areas (blacksite s) were determined using the Z-score method. Primary data was obtained from the results of field surveys on all segments of the study road corridor. Based on the analysis of the blacksite identification using the z-score method, the location of the z-score data of the accident prone area (blacksite ) and its vulnerability class is obtained, namely segment 3 with z-value = 0.413 (very low accident prone), segment 4 with z-value = 0.531 (very low accident prone) and segment 5 with z-data = 1.097 (very high accident prone). The characteristics of the traffic accidents are dominated by victims with minor injuries with a total of 52 persons, the incidents often occurred on Saturdays with a total of 8 incidents and occurred between 12:00 and 17:59 adding up to 18 events, the most serious accident occurred in segment 5 with a total of 11 events, the accidents are dominated by the male gender with a total of 29 persons and the dominant type of collision that occurs is the frontal type with a total of nine events.
Studi Eksperimental Lendutan Pelat lantai Menggunakan Bata Hebel dengan Perkuatan Besi Siku Deni Putra Arystianto; Fauzi Akbar Rahmawan; Kharisma Nur Cahyani; Harsalim Aimunandar Jayaputra
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

This research examines the deflection behavior of floor slabs using Hebel blocks as the main material, reinforced with angle iron. The aim of this study is to understand how angle iron reinforcement can enhance the flexural capacity and stiffness of floor slabs made of Hebel blocks. The methodology involved experimental testing of 200 cm x 200 cm floor slabs using Hebel blocks measuring 20 cm x 60 cm x 7.5 cm and 5/5 angle iron reinforcement, with test loads applied through a water tank up to 250 kg/m². Deflection was measured using dial gauges at three different points: at both supports and the mid-span of the slab. The results of the study showed that the use of angle iron significantly improved the slab's stiffness and load-bearing capacity, with a uniform distribution of deflection. The largest deflection occurred at the mid-span, with an average dial 2 reading of 3.284 mm and a maximum deflection of 5.25 mm. Meanwhile, deflection at the supports showed average readings of 2.958 mm on dial 1 and 2.0978 mm on dial 3. This indicates that the deflection at the mid-span experienced the maximum load and deflection. The deflection at the supports, as measured by dials 1 and 3, was relatively symmetrical. The allowable deflection calculated based on SNI 2847-2019 is 11.11 mm or 16.67 mm, indicating that the slab deflection remains within safe limits.
Analisis Disain Midpoint Cycloconverter dengan Pengaturan Tegangan Setiyono
Jurnal Serambi Engineering Vol. 9 No. 2 (2024): April 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

This article explains the design of an AC to AC converter with different frequencies and voltages depending on the input. Most electrical equipment circulating in society, such as lighting, water pumps, heaters, cooling machines, are powered by an alternating voltage source with a fixed source voltage and frequency. However, this is not the case with certain types of electric motors in several industries that require a voltage source and changing frequency to regulate their rotational speed. A cycloconverter is an AC to AC converter with frequency settings as well as voltage settings on the output side. This cycloconverter is capable of providing an output frequency n times the source frequency () or () where n is the desired frequency. This research was carried out by building a modeling simulation of a Mid Point type single-phase bridge cycloconverter (middle point) using the Matlab Simulink tool. The simulation results show that the cycloconverter output frequency can be adjusted by setting the switch trigger signal on the positive converter and negative converter with the same wave shape or pattern in the positive cycle and in the negative cycle for each nth divider. At low frequencies the THD (Total Harmonic Distortion) value of the cycloconverter midpoint is greater because of the shape factor on the output side.

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