RADIAL : Jurnal Peradaban Sains, Rekayasa dan Teknologi

ANALISIS RISIKO K3 PADA MAINTENANCE MESIN FINAL PRESS MENGGUNAKAN METODE SWIFT

Anang Ma'ruf, Trifandi Lasalewo, Jamal Darussalam Giu — Tue, 05 Dec 2023 00:00:00 +0000

This study aims to determine the hazards that arise as a result of the final press machine maintenance process and to provide a solution to the existing hazards in the form of safeguards or recommendations for improvement. The method used in this study is the SWIFT (Structural What If Analysis) method, which is a technique for identifying the dangers of a questioning approach using the what if keyword. System design is carried out to evaluate the company's occupational safety and health system by examining the causes and implementing corrective solutions. In this paper, the results of this study were carried out using a qualitative method by conducting an analysis on maintenance activities for the final press machine which resulted in risks with different levels, namely 13 medium priorities, 3 low priorities and 4 lowest priorities with the conclusion that the medium priority would be recommended for system improvement because it has the highest priority value which aims to prevent and reduce the risk level of work accidents in the final press machine maintenance process. Suggestions for companies to pay more attention to the safety and health of workers in order to achieve a comfortable and safe work system for workers by providing PPE, and there needs to be an emphasis on implementing efforts to control work accidents for workers to minimize the risk of work accidents.

IDENTIFIKASI DAN MINIMASI WASTE PRODUKSI KERIPIK PISANG KEJU MENGGUNAKAN METODE LEAN MANUFACTURING

Indah Ramadhani, Abdul Rasyid, Stella Junus — Wed, 06 Dec 2023 01:31:53 +0000

This study aims to determine the types of waste in the cheese banana chips production process at Flamboyan UKM and find out how to minimize waste in the production process. This study uses the lean manufacturing method in evaluating the formulation to identify and reduce waste that occurs in Flamboyan UKM. The results of this study are two wastes, namely waiting time where waiting activities occur in the stacking of finished products in the draining process with a time of 247.13 seconds and in the cooling process with a time of 251.77, and waste defects where there are cracked chips, charred chips and packaging processes that are not good , causing the chips to not be crispy. The conclusion of this research is to minimize waste wasting time by adding a spinner machine in the draining process, as well as for the cooling process to minimize waste waiting time for the chips to be separated into several containers. Furthermore, for waste defects, conduct training for employees and carry out product checks or checks. Suggestions for Flamboyan SMEs need training for employees to be more effective in carrying out good work and making continuous improvements in order to get good product results

STRATEGI PENGEMBANGAN USAHA MENGGUNAKAN METODE SWOT DAN BOSTON CONSULTING GROUP MATRIX

Zilva Abd. Rahim Sabaya, Triandi Lasalewo, Hendra Uloli — Wed, 06 Dec 2023 01:40:12 +0000

This study aims to identify internal and external environmental factors and to determine the position of CV. XYZ on the level of growth and market share and determine the best business development strategy to win market share competition. The method used in this study to identify internal and external factors that exist in CV. XYZ, namely by using the SWOT (Strength, Weakness, Opportunity, Threats) method and to determine market growth and market share in CV. XYZ uses the BCG Matrix (Boston Consulting Group Matrix) method. In this study, the authors used a descriptive quantitative approach by identifying external and internal factors as well as sales data in the last 2 years that could influence business development at CV. XYZ. The conclusion of this research is CV. XYZ is in quadrant 1 which is obtained from external and internal results which have been processed later on the BCG PT method. XYZ is in the cash cow quadrant which means CV. XYZ experienced low market growth and high relative market share. Advice to the company is to do business development and get certified.

USULAN KEBIJAKAN PERSEDIAAN PRODUK PADA PT. XZY DENGAN METODE CONTINUOUS REVIEW DAN PERIODIC REVIEW UNTUK MINIMASI OVERSTOCK

Diela Qoriatul Munawaroh, Dida Diyah Damayanti, Pratya Poeri Suryadhini — Thu, 07 Dec 2023 03:05:37 +0000

This research aims to determine inventory policy planning using the Continuous Review and Periodic Review method to Minimize Overstock. The research methods used in this research are the Continuous Review and Periodic Review methods to minimize overstock. Data collection through observation, documentation and interviews. This research classifies products using ABC analysis. The results of the ABC analysis classification, namely 3 types of products including category A, 3 types of products including category B, and 2 types of products including category C. Based on the results of the ABC analysis classification, categories A and B are calculated using the continuous review method (s, S) and category C will be calculated using the periodic review method (R, s, S). Based on the results of data processing, the amount of proposed inventory produced has decreased by around 39% and the cost of proposed inventory by around 90%. Therefore, it can be concluded that the proposed inventory policy using the continuous review (s, S) and periodic review (R, s, S) methods is able to minimize overstock that occurs at PT. XYZ.

PERANCANGAN MOBILE WEBSITE CLOUD KITCHEN LAA ZURU MENGGUNAKAN METODE DESIGN THINKING

Vanya Amabella Marsha Paramitha, Sri Martini, Ilma Mufidah — Thu, 07 Dec 2023 03:18:45 +0000

The aim of this research is to produce a U/UX prototype for a cake ordering website using a design thinking approach. Design thinking is a method for developing business innovations that focus on users. Two phases are involved: the inspiration and ideation phases. Data collection through observation and in-depth interviews, the inspiration phase understands user needs and goals. The ideation stage involves brainstorming with stakeholders and selecting ideas into solutions, in the form of features for the Laa Zuru mobile website. The resulting website prototype was tested through the System Usability Scaling questionnaire. The test results show a score of 82.5, indicating the usability of the mobile website prototype is in category B (Acceptable) and has an adjective rating of "excellent" in the usability testing assessment. Keywords: Design Thinking; Cloud Kitchen; System Usability Scaling

PERANCANGAN PERBAIKAN PELAYANAN RESTORAN RESTO KITA DENGAN MENGGUNAKAN METODE QUALITY FUNCTION DEPLOYMENT

Fadia Nur Adiba, Yati Rohayati, Husni Amani — Thu, 07 Dec 2023 03:28:26 +0000

This research aims to identify weaknesses in restaurant service which are then corrected by designing recommendations for service improvement using Quality Function Deployment. The method in this research uses the Quality Function Deployment method. The Quality Function Deployment method is used through two iterations, namely House of Quality (iteration one) which aims to translate customer needs into technical characteristics by considering the restaurant's capabilities and Part Deployment (iteration two) which aims to identify prioritized critical parts. Service improvements were carried out based on 10 true customer needs obtained from restaurant customers who had dined in. The first iteration produced 15 technical characteristics and the second iteration produced 31 critical parts which were prioritized for improvements to restaurant services. This research can be concluded that there are 15 prioritized technical characteristics and 31 prioritized critical parts. The results of the technical characteristics and critical parts are the basis for making recommendations for improving restaurant services whose targets need to be met in accordance with the decisions of the owner of Resto Kita.

ANALISIS KEBUTUHAN DAN HARAPAN MASYARAKAT KABUPATEN GORONTALO TERHADAP LAYANAN BUS BERBASIS IOT

Andi Sahrul Hidayat, Nasir Bumulo, Ilham Akbar Van Gobel — Thu, 07 Dec 2023 00:00:00 +0000

This study aims to analyze people's needs and expectations for IoT-based bus services in Gorontalo District. The research approach involves literature studies, online surveys, direct interviews, and descriptive and qualitative data analysis. The research results show that 43% of Gorontalo Regency residents are interested in switching to using IoT-based bus services, with the majority interested in traveling in the context of work. The development of IoT-based smart buses is expected to improve the quality of transportation, reduce congestion, and accidents, and improve the overall quality of life for society. However, it is recommended that there be collaboration between the government, community, and the private sector to successfully implement this service, especially in Gorontalo Regency.

PERENCANAA PRODUKSI PAVING BLOCK DENGAN MENGGUNAKAN MODEL PROGRAM DINAMIS (DYNAMIC PROGRAMMING) DI CV. SHOHAT GORONTALO.

Aan Yetno Maru, Eduar Wolok, Idham Halid Lahay — Thu, 07 Dec 2023 07:31:41 +0000

This current research aimed to plan an optimal and scheduled production to minimize defects in production quantities, excess or shortage of production quantities with minimum costs. The method used was Dynamic Progamming to develop optimal scheduling, by forecasting average production using the Autoregressive Integrated Moving Average (ARIMA) model. The ARIMA was employed to forecast the average amount of production data of CV Shohat Gorontalo which were the data for the last 24 weeks or during 6 months. The result obtained was that the minimum cost was always obtained at the inventory figure I = 0, because having less inventory or even no inventory would reduce the total cost due to the small holding costs when compared to production costs. The cost incurred for the production schedule during the July- December of 2023 period was IDR 9,161,954,550. In addition, the data were the optimal result in minimizing production costs using the Dynamic Programming method. Abstract written in English. Abstracts are written in a sequence that contains the purpose of research, the methods used in research, research results, conclusions, suggestions, and research implications. The abstract is concise, concise and written in one paragraph (maximum 200 words) with single space, Times New Roman font and 10 font sizes

KAJIAN EKSPERIMENTAL PENGARUH CAMPURAN ETANOL DAN PERTAMAX TERHADAP KONSUMSI BAHAN BAKAR MOTOR INJEKSI 125CC

Wawan Rauf — Fri, 08 Dec 2023 07:03:43 +0000

Abstract: Experimental Study of the Effect of a Mixture of Ethanol and Pertamax on Fuel Consumption of a 125cc Injection Motorcycle. Currently the need for petroleum is quite high. This is because transportation and industry still rely on petroleum as the main fuel. Ethanol has similar properties to Pertamax fuel which can be applied to every vehicle, especially two-wheeled vehicles. The aim of this research is to find out how the addition of ethanol to Pertamax fuel affects the amount of fuel consumed by injection motorbikes. The mixture percentages that will be tested are E10+P90, E20+P80, and E30+P70 respectively, and then the consumption results are compared with tests using pure Pertamax (E0+P100). The test results show that the use of Ethanol-Pertamax mixed fuel can be reduced when the percentage of the ethanol mixture is below 50%. Where the lowest fuel consumption is the E30+P70 mixture at 16.4% compared to pure Pertamax consumption.

IDENTIFIKASI DAN MINIMASI WASTE PADA PROSES PRODUKSI KERIPIK PISANG KEJU DENGAN VALUE STREAM MAPPING DAN KAIZEN

Abdul Rasyid, Stella Junus, Indah Ramadhani, Hendra Uloli, Hasanuddin Hasanuddin — Mon, 11 Dec 2023 00:00:00 +0000

PERENCANAAN GEDUNG RAWAT INAP RS MM DUNDA MENGUNAKAN SOFTWARE SAP 2000

Sartan Nento, Abdul Rajab Otto, Muh Ramdhan Olii, Aleks Olii, Nurhayati Doda — Mon, 11 Dec 2023 00:00:00 +0000

This research aims to analyze the structural analysis of a building using software Since computerization is used to complete every building plan or design, the development of technology and information, especially computerization in the world of construction, cannot be separated anymore and is not a new phenomenon. The decision to use a computer to complete construction plans was based on the fact that computers have the advantage of not only being able to finish quickly but also having accuracy, effectiveness, and ease of use (Dwi Deshariyanto, Anita Intan Nura Diana 2021). The following findings have been achieved based on the final results of the development of this final report. using the SAP 2000 version 22 program to calculate reinforcement in columns, beams, and floor slabs, Using earthquake response spectrum design analysis, earthquake load calculations refer to SNI 1726: 2019 (Procedures for Planning Earthquake Resistance for Buildings and Non-Buildings), The design of this building is based on the type of reinforced concrete structure and the Unique Moment Resisting Frame System (SRPMK). The floor difference is in accordance with the relevant SNI criteria

PENJADWALAN PERAWATAN NITROGEN AIR COMPRESSOR MENGGUNAKAN METODE RELIABILITY AVAILABILITY DAN MAINTAINABILITY (RAM)

Puput Dwiyanti, Trifandi Lasalewo, Abdul Rasyid — Fri, 22 Dec 2023 01:24:31 +0000

This research aims to increase the reliability and availability of the Nitrogen Air Compressor machine and determine the maintenance schedule for the Nitrogen Air Compressor machine. The method used in this research is the Reliability Availability and Maintainability (RAM) method to determine the level of Reliability Availability and Maintainability on Nitrogen Air Compressor machines to determine more optimal maintenance scheduling. The results of this research showed 4 defects in the Nitrogen Air Compressor units C and D components, namely (1) Filter Dryer (M 580-1) (C) produced a system reliability value of 82.47%, a system maintainability value of 83.00%, and Availability that has been carried out can produce an inherent availability value of 99.67% and an operational availability value of 99.92%. (2) Air Inlet Filter (6.4198.1) (C) produces a system reliability value of 81.31%, a system maintainability value of 83.87%, and Availability that has been carried out can produce an inherent availability value of 99.92% and operational availability value is 99.92%. (3) Oil Filter (6.3464.1) (D) and produces a system reliability value of 81.34%, system maintainability value of 85.49%, and the Availability that has been carried out can produce an inherent availability value of 99.93% and operational availability value is 99.93%. (4) Filter Dryer (M 580-1) (D) produces a system reliability value of 80.%, system maintainability value of 85.49%, and Availability that has been carried out can produce an inherent availability value of 99.93% and an operational availability of 99.93%. From these results it can be concluded that the RAM method can determine more optimal machine maintenance scheduling. Suggestions for companies are that they can implement scheduling using the RAM method.

ANALISIS ZONASI KAWASAN RESAPAN AIR DI KECAMATAN KWANDANG KABUPATEN GORONTALO UTARA

Andri Darmawan Antule III — Fri, 22 Dec 2023 01:27:37 +0000

The research aims to determine the zoning of water catchment areas in Kwandang District and find out how appropriate the use of regional spatial planning is in water catchment areas in Kwandang District. This research emphasizes a spatial approach. Analyze the variables to be studied using the overlay method with Geographic Information System (GIS) software and data scoring to identify water catchment areas. The zoning of water catchment areas in Kwandang District can be divided based on the classification of natural infiltration potential, namely large, medium and small natural infiltration potential. Medium natural infiltration potential has the largest area of around 17375.17 Ha or 88.61% of the total water catchment area, large natural infiltration potential has an area of 2201.21 Ha or around 11.23%, while small infiltration potential has the smallest area, namely 31.64 Ha or around 0.16% of the water catchment area in Kwandang District. Water catchment areas that have small and moderate natural infiltration in terms of space use can be used for the construction and development of cultivation areas, while water catchment areas that have large natural infiltration are recommended for use of space as protected areas.

Keyword: Zoning; Water infiltration; Kwandang district.

METODE DOUBLE EXPONENTIAL SMOOTHING DAN ARIMA UNTUK MERAMALKAN KEBUTUHAN AIR PELANGGAN PT PETRO KARYA NIAGA

Muhammad Mualief, Efta Dhartikasari, Moh. Jufriyanto — Thu, 28 Dec 2023 05:02:38 +0000

Abstrak: Metode Double Exponential Smoothing dan Arima untuk Meramalkan Kebutuhan Air Pelanggan PT Petro Karya Niaga

Tujuan dari penelitian ini adalah untuk mendapatkan metode peramalan terbaik dalam memprediksi kebutuhan air pelanggan PT PKN dengan membandingkan metode double exponential smoothing dan metode ARIMA. Data yang digunakan permintaan air PT Petro karya Niaga dengan periode Juni 2020 hingga September 2023. Berdasarkan penelitian ini. Hasil prediksi permintaan Penjualan PT PKN menggunakan metode Double Exponential Smoothing dari periode Oktober 2023 - Maret 2024 berturut – turut pada bulan Oktober 2023 sebesar 833.596, November 2023 sebesar 825.279, Desember 2023 sebesar 816.961, Januari 2024 sebesar 808.643, Februari 2024 sebesar 800.326, Maret 2024 sebesar 792.008. Nilai error yang diperoleh yaitu MSE 44405.82. Berdasarkan hasil identifikasi model ARIMA hanya terdapat 1 model saja yang layak untuk dijadikan model persamaan peramalan yaitu ARIMA (0,2,1), Model ARIMA (0,2,1) mempunyai nilai MSE sebesar 50168. maka dapat disimpulkan bahwa model yang paling baik digunakan adalah model ARIMA (0,2,1) untuk model peramalan permintaan air PT Petro Karya Niaga. Hasil prediksi yang diperoleh dari bulan 2023 - Maret 2024 berturut – turut secara berurutan adalah 810.57; 796.78, 783.65, 771.17, 759.33 dan 748.15. Metode double exponential smoothing lebih unggul dibandingkan metode ARIMA dalam memprediksi kebutuhan air di PT PKN karena menghasilkan nilai MSE yang lebih kecil dan waktu komputasi yang lebih cepat dibandingkan ARIMA.

Kata kunci: ARIMA, Double Exponential Smoothing, MSE

Abstract: Double Exponential Smoothing and Arima Methods for Predicting Water Needs of PT Petro Karya Niaga Customers

The aim of this research is to obtain the best forecasting method in predicting the water needs of PT PKN customers by comparing the double exponential smoothing method and the ARIMA method. The data used is PT Petro Karya Niaga's water demand for the period June 2020 to September 2023. Based on this research. PT PKN Sales demand prediction results using the Double Exponential Smoothing method from the period October 2023 - March 2024 respectively in October 2023 amounted to 833,596, November 2023 amounted to 825,279, December 2023 amounted to 816,961, January 2024 amounted to 808,643, February 2024 amounted to 800,326, March 2024 amounting to 792,008. The error value obtained is MSE 44405.82. Based on the results of identifying the ARIMA model, there is only 1 model that is suitable to be used as a forecasting equation model, namely ARIMA (0,2,1). The ARIMA (0,2,1) model has an MSE value of 50168. So it can be concluded that the model is the best used is the ARIMA model (0,2,1) for PT Petro Karya Niaga's water demand forecasting model. The prediction results obtained from 2023 - March 2024 respectively are 810.57; 796.78, 783.65, 771.17, 759.33 and 748.15. The double exponential smoothing method is superior to the ARIMA method in predicting water needs at PT PKN because it produces a smaller MSE value and faster computing time than ARIMA.

Keywords: ARIMA, Double Exponential Smoothing, MSE

PENGARUH MODEL KOOPERATIF GALLERY WALK TERHADAP KEMAMPUAN KOMUNIKASI MATEMATIKA DITINJAU DARI SELF CONFIDENCE

Tenri Alang Masyhur — Fri, 29 Dec 2023 00:00:00 +0000

This study examines whether the mathematical communitical skills of studens taught with the gallery walk cooperative learning model are effective, reviewed from the self-confidence of students in grade VII at SMP Negeri 1 Botupingge. This Quasi Experiment research implements the treatment by level 2 x 2 design with a two-track analysis test and a Tukey test. The results obtain that the mathematical communication skills of students with high self-confidence in gallery walk cooperative learning are 79.86, and student with low self-confidence in direct learning are only 64.29. it can also be proven through tests with a significant level of 5% and df=33 showing t_count > t_count, 3.485, α=0.05, and t_table=2.042. in conclusion, the mathematics communication skills of student with high self=confidence that are taught by gallery walk cooperative learning are higher and more effective than students with low self-confidence that are taught by direct learning.

PENGGUNAAN SMART APP CREATOR (SAC) SEBAGAI PERANGKAT PENGEMBANGAN MEDIA PEMBELAJARAN MATEMATIKA INOVATIF

Almukarramah Arifin — Fri, 29 Dec 2023 00:00:00 +0000

The limited use of media in mathematics learning becomes one of the reasons we develop this research. Therefore, this research aim is to produce learning media in the form of mobile applications on Android or smartphones using Smart App Creator (SAC). As subject of research, students at SMP Negeri 1 Pinogaluman in grades VIIA and VIIB was carried out. The method used in this research is Research and Development (R&D) with modifications to the development stages of the ADDIE development model (Analyze, Design, Development, Implementation, Evaluation). The feasibility of learning media is seen from three aspects, namely validity, practicality and effectiveness. Data collection techniques use interview instruments, observation, expert validation questionnaires, questionnaires and student responses, and test results. The product trial was conducted in two stages, namely a small-scale trial with research subjects of 5 students of class VIIB students and a large-scale trial with research subjects of 46 students of class VIIA and VIIB. The validity criteria for innovative learning media were obtained from the assessment of media experts and material experts with average scores of 4.30 and 4.40 (very feasible category). The product was given a practical value based on student responses with an average score of 91.53%, and an average teacher response of 94.49%. Innovative learning media is also considered effective based on test results with a one group pretest and posttest experimental design with an average pretest score of 54.57 and an average posttest score of 82.83

ANALISIS DESAIN BANGUNAN PENGAMAN PANTAI (SEAWALL) DI KECAMATAN BINAMU KABUPATEN JENEPONTO

Sugira Said — Wed, 03 Jan 2024 01:16:41 +0000

Salah satu kabupaten di Provinsi Sulawesi Selatan yang memiliki wilayah pesisir adalah Kabupaten Jeneponto. Bagi masyarakat Jeneponto, wilayah pesisir ini memiliki arti penting tidak hanya karena kekayaan keanekaragamannya namun juga karena aktivitas ekonominya, termasuk perikanan, budidaya rumput laut, dan rekreasi. Namun saat ini erosi pantai di Kabupaten Jeneponto sudah sangat parah. Sistem alam akan memburuk jika pencegahan abrasi air laut tidak dilakukan, sehingga mengubah garis pantai dalam prosesnya. Tujuan dari penelitian ini adalah untuk mengevaluasi rancangan bangunan keselamatan pantai yang akan dimanfaatkan di Pantai Tamarunang dan mencari alternatif penanggulangan yang akan dibangun. Proses analisis melibatkan pemilihan bangunan pengaman pantai pengganti dan perhitungan desainnya.

Tembok laut atau penyangga beton heksagonal merupakan perlakuan dengan titik terbanyak menurut matriks yang digunakan dalam penelitian ini untuk memilih alternatif konstruksi keselamatan pantai. Namun dalam memilih perawatan pantai, perlu kembali mempertimbangkan berbagai kondisi di sepanjang pantai Tamarunang. Dari segi kesediaan masyarakat, selama tindakan pengamanan tidak menghalangi arus perahu yang membawa nelayan dan petani rumput laut, maka masyarakat boleh saja diberikan perlindungan di sepanjang pantai Tamarunang. Berdasarkan hasil penelitian, dapat diambil kesimpulan sebagai berikut: 1. Ketinggian tembok laut adalah 2,44 meter; 2. Batu yang digunakan untuk tembok laut memiliki berat 27 kg; dan 3. Diameter batu tersebut adalah 27 cm.

Kata kunci: Pesisir, Abrasi, Buis Beton Segi Enam

KARAKTERISTIK FISIK RUMAH TINGGI SUWAWA DAN RUMAH BELE LI TAUDA’A DI PROVINSI GORONTALO

Rahmawati Eka, Umar Umar — Fri, 29 Dec 2023 00:00:00 +0000

The purpose of this research is to identify the physical characteristics of the Suwawa High House and the Bele Li Tauda'a House. The research method uses descriptive qualitative with locations in Kab. Bone Bolango and Gorontalo District. Field surveys were carried out in April – May 2023, starting with initial data collection followed by semi-structured interviews, field observations then data structuring, as well as confirmation of data with realities on the ground and the views of traditional leaders. The results showed that the physical characteristics of both were the same on the roof, the top part was triangular in shape with a second layer in the middle of the roof of the building.

PERILAKU BERKENDARA SEPEDA MOTOR 150 CC MENGGUNAKAN METODE NATURALISTIC DRIVING STUDY DAN DRIVERS BEHAVIOUR QUESTIONNAIRE

Fadel Suaib, Idham Halid Lahay, Eduart Wolok — Fri, 29 Dec 2023 00:00:00 +0000

Driver behavior is the most dominant factor in accidents. Almost all accidents are preceded by violations of traffic signs. Through previous accident data, important and useful information can be known. The study aims to analyze two-wheeled motorbike riding behavior using Naturalistic Driving Study (NDS) and determine the influence of age and behavior of 150cc motorbike riders. Data taken from recordings taken by respondents and questionnaires. The results of the regression test to determine differences in age on motorbike rider behavior with a constant value of a = 196.03 show that this figure is a constant number which means that, if it does not involve age (X), the value of riding behavior (Y) is -5, 3956x. The regression coefficient is -5.3945. This figure is minus (-), which means that age (X) has a negative effect on driving behavior (Y).

PEMANFAATAN BAHAN LOKAL BAMBU MAYAN SEBAGAI BAHAN SUBSTITUSI ANGREGAT PADA BETON

Ely Mulyati — Fri, 29 Dec 2023 00:00:00 +0000

Bamboo is a plant that can be found around us, especially in rural areas. Bamboo is an environmentally friendly building material compared to conventional building materials. In addition to being easily accessible, cheap, and lightweight, bamboo also possesses considerable strength. There have been numerous studies on the use of bamboo, but in this research, bamboo is utilized as a substitute material for coarse aggregates. The planned compressive strength is for concrete with a compressive strength of K250 (20.75MPa) with substitution proportions of 30%, 50%, and 100%, which will be compared with normal concrete. In this study, it is expected to determine the proportion of substitution of coarse aggregates in concrete using bamboo. Based on the tests conducted, ranging from testing concrete-forming materials to compressive strength tests, the compressive strength obtained for normal concrete (0%) at 28 days is 26 MPa. Meanwhile, the compressive strength for concrete with a 30% substitution proportion is 26 MPa, 50% proportion is 13 MPa, and 100% proportion is 9 MPa. Thus, it can be concluded that the greater the percentage of concrete substitution, the lower the compressive strength obtained.

PENGELOLAAN SUMBERDAYA AIR TERPADU BERBASIS GEOGRAPHIC INFORMATION SYSTEM (GIS) DI KABUPATEN MUSI RAWAS UTARA

Anna Emiliawati — Thu, 28 Dec 2023 00:00:00 +0000

North Musi Rawas Regency is a new district that has a wealth of natural resources, one of which is water resources. However, the use of water resources is not maximized and not properly inventoried, especially in disaster activities such as floods and forest fires. This is because the condition of the area is difficult to reach, making it difficult for local governments to map the situation and potential of water resources. The increasing development of science and technology requires local governments to have special data collection systems for natural disaster situations and water resources, especially those that can be accessed by the public. The aim of this research is to identify natural disaster situations and water resource potential based on field data taken and provide information regarding natural disaster data (floods and forest fires) and water resource potential that can be accessed by the government and the public. It is hoped that the results of this research will provide a general overview of information regarding natural disaster situations and water resource potential in North Musi Rawas Regency so that it can become a work reference and decision/policy making for the Government/relevant agencies in disaster emergency response preparedness efforts and the development of sustainable water resource potential development. . The research location is North Musi Rawas Regency. The research method is a field survey. The survey carried out was to collect data and coordinate points for floods and forest fires as well as potential water resources. Next, hydrological system identification and data inventory will be carried out. Then the data was analyzed using a GIS application. The map contains information on disaster point data (floods and forest fires), water facilities and infrastructure as well as water resource potential as part of public information.