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Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Published by Asosiasi Riset Ilmu Teknik Indonesia
ISSN : 30315018     EISSN : 30313503     DOI : 10.61132
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Industrial & Manufacturing Engineering Mechanical Engineering
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan. is a journal devoted to the publication of scientific articles published by the Indonesian Engineering Science Research Association. This journal is a peer-reviewed and open research journal of the Engineering Science Clump. The fields of study in this journal include the Civil Engineering, Earth and Shipbuilding Engineering sub-groups. The Research Journal of the Engineering Science Clump accepts articles in English and Indonesian. This journal is published 1 year 4 times (February, May, August and November)
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 138 Documents
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Analisa Tarikan Pergerakan Pengunjung Wisata Permandian Waterpark Matua Kecamatan Alla Kabupaten Enrekang Siti Nurain; Hamka Hamka; Imam Fadly; Adnan Adnan
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 2 No. 3 (2024): Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v2i3.481

Abstract

Waterpark Matua is one of the land use objectives that can generate development attraction as a water recreation destination that offers the potential attraction of a beautiful natural panorama because it offers a view consisting of plantations and rocky hills surrounding the tourist area so that it has a beautiful and exotic photo spot. This study aims to determine the characteristics of visitors, what factors affect the attractiveness of visitors, and the growth rate factor of future visitor attraction using the furness method. This research was conducted for 2 months with questionnaire data collection, and processed using the SPSS 24 application. The results showed that the characteristics of visitors according to gender showed that most visitors were female based on a percentage of 66%, age 11-20 years with a percentage of 38%, most visitors from the Alla, Anggeraja, Curio districts with a percentage level of 38%, Students with a percentage level of 47%, the most visitors' transportation mode is motorbike with a percentage level of 70% and the movement attraction model with multiple linear regression analysis method is Y = 2.839 + 0.340 (x1) - 0.473 (x2) + 0.196 (x3) - 0.228 (x5) + 0.190 (x9) + 0.419 (x12). Factors that influence the occurrence of attraction are variables of home distance (x1), transport costs (x2), length of travel time (x3), destination to tourist attractions (x5), food prices (x9), and building conditions (x12). The growth rate factor from the analysis results using the Furness method obtained a growth factor value of Ed = 0.9897 which has met the requirements of the error tolerance limit, with an expected visitor attraction value of Dd = 3214.
Analisis Uji Kuat Tekan Beton pada Campuran Air Payau Desa Tellumpanua Kecamatan Suppa Andi Yasril Ananta Muliyadi; Hamsyah Hamsyah; Muh. Jabir M3; Adnan Adnan
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 2 No. 3 (2024): Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v2i3.484

Abstract

Increased economic growth in the city of Parepare with the presence of buildings around the estuary. In general, the composition of concrete making materials is taken from good materials. The problem encountered in the field is that the quality of concrete in construction decreases due to brackish water, causing structural elements in the construction to become porous. Meanwhile, preventive measures are rarely or never taken. As a result, the construction life is very short. Brackish water is one of the causes of structural failure. This is due to the content of sulfate and chloride ions in water containing salt/salts that react with chemical elements in reinforcing steel resulting in corrosion of the reinforcement. The purpose of the study was to analyse the compressive strength of concrete with a mixture of clean water against the percentage of brackish water with a maintenance age of 7, 14, 21, and 28 days. The results showed that brackish water had an impact on reducing the compressive strength of concrete due to the high chemical content in brackish water such as Sulfate (SO²¯) of 52.5 in brackish water in Kenjeran and 62.5 in brackish water in mangrove. Dissolved Solids (TDS) of 15188 mg/l in kenjeran brackish water and 3436 mg/l in mangrove brackish water. Organic Content (KMnO) of 8.05 mg/l in kenjeran brackish water and 6.69 mg/l in mangrove brackish water is too high, so the chemical content contained in brackish water can damage the compounds in the cement content and decrease the strength of the materials contained in the concrete. In this case it can result in concrete having a very low durability.
Kajian Setting Time dan Permeabilitas pada Beton Variasi Limbah Granit Sebagai Subtitusi Parsial Agregat Kasar Fauzy Kurnain; Wibowo Wibowo; Endah Safitri
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 2 No. 3 (2024): Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v2i3.485

Abstract

Currently, infrastructure development is a priority of the Indonesian government which aims to improve the quality of life of the community and equitable distribution of infrastructure development. The need for concrete material as a construction material also increases in line with the increase in infrastructure development. The use of recycled aggregate materials, especially granite waste, is a promising option in sustainable infrastructure development. This study was conducted with the aim of knowing the effect of partial substitution of coarse aggregates using granite waste variations on the binding time and permeability of concrete. Experimental method was chosen in this research. The levels of granite waste used were 0%; 15%; 30%; and 45% by weight of coarse aggregate or gravel. The test specimens used for the concrete bond time study were fresh concrete poured into cube molds measuring 20 cm x 20 cm x 20 cm with a minimum height of 15 cm. Testing concrete bond time using a penetrometer tool. The test specimen for concrete permeability is a cube measuring 15 cm x 15 cm x 15 cm, totaling 12 pieces and tested with a Permeability Test Apparatus (Water Permeabilty Apparatus).The results showed that partial substitution of coarse aggregate with granite waste variation did not affect the setting time of concrete up to a certain level. Based on the results of the research conducted, the initial setting time and final setting time values of 0%, 15%, 30%, and 45% granite content variations fluctuate and the coefficient of determination (R2) value in linear regression is only 0.5 and 0.3. Partial replacement of coarse aggregate with granite waste has an effect on the impermeability of concrete which meets the requirements for medium aggressive impermeable concrete. Water pressure of 5 kg/cm2 for 72 hours applied to the concrete partial replacement of coarse aggregate with granite waste variation resulted in permeability coefficient values of 4.11 x 10-12 cm/s; 3.48 x 10-12 cm/s; 2.17 x 10-12 cm/s; and 3.25 x 10-12 cm/s. The minimum coefficient value of concrete with partial substitution of coarse aggregate with granite waste is obtained at 30% by weight of coarse aggregate. Granite, whose specific gravity is greater than gravel, produces denser and more water-resistant concrete.
Analisis Perbandingan Biaya dan Waktu pada Penggunaan Duct Spacer dengan Prefabricated dan Hollow Baja Ringan Untuk Pekerjaan Underground Ducting : Studi Kasus Pekerjaan Underground Ducting Untuk Instalasi Airfield Lighting System di Bandara Dhoho Kediri, Jawa Timur Ali Masrodin; Albani Musyafa; Fitri Nugraheni; Taufik Dwi Laksono
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 2 No. 3 (2024): Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v2i3.496

Abstract

The Kediri Airport development project encountered challenges related to underground ducting work. The design of Kediri Airport adheres to international standards, which led to the use of materials not readily available in Indonesia, specifically pipes and duct spacers. Duct spacers are tools used to arrange ducting pipes according to their formation and prevent them from floating during concrete pouring due to buoyancy. The SKEP/114/VI/2002 serves as a reference for underground cable installation, involving direct burial of cables at a depth of 70 cm, covered with a 5 cm layer of sand above the cable surface. These two approaches significantly differ, necessitating problem-solving solutions. To address this issue, research was conducted to find suitable duct spacers in Indonesia. Two alternative materials were considered: PVC and lightweight hollow steel. The study compared costs and time associated with these materials. PVC duct spacers would be imported and be fabricated in Indonesia, while hollow steel duct spacers would be fabricated on-site. The research focused on three aspects: ducting work methods, duct spacer design, and cost-time analysis. Given tight installation spaces and busy schedules, duct spacers needed to be compact, simple, and adaptable to various pipe formations. The design for hollow steel duct spacers aimed for simplicity to reduce on-site construction work. However, care was taken to avoid potential injuries from exposed bolts on the hollow steel frame. The PVC duct spacer design utilized Polytam PF 1000 material, with a nominal shear strength of 399 kg and a nominal moment of 266 kg·cm—sufficient to withstand saturated soil loads up to 162 cm but not vehicular loads. Analyzing procurement time, PVC duct spacers from Indonesian manufacturers were the quickest, taking only 56 days due to no port clearance delays. The fastest completion time for the project was achieved using PVC duct spacers, taking 122 seconds—three times faster than hollow steel duct spacers. While lightweight steel was the most cost-effective option for on-site procurement, combining cost and time analysis favored PVC duct spacers. The minimal cost difference allowed for accelerated production, minimizing the risk of delays
Analisis Manajemen Risiko Proyek dengan Metode Severity Index (SI) pada Proyek Pembangunan Gedung X Kota Surakarta Ahmad Rizky Zaidan; Koosdaryani Soeryodarundio; Setiono Setiono
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 2 No. 3 (2024): Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v2i3.501

Abstract

The construction of a high-rise building is a construction project that can be said to have high risk factors so that it will have a negative effect on the project schedule, quality, and costs needed. Project risk management analysis is needed to control risks and to determine risk handling to prevent the occurrence of dominant risks in construction projects. In this study, primary data collection was carried out by distributing questionnaires, while secondary data was obtained through data from projects and literature studies. The data obtained from the questionnaire will be analyzed for risk variables using the Severity Index (SI) method. Meanwhile, the risk level analysis uses the Probability Impact Matrix (PIM). The results of the analysis show that there is a dominant risk that has the most influence on the time aspect is the risk of delay in material delivery with a high level of risk. The dominant risk that has the most influence on the cost aspect is the occurrence of equipment damage while working with a medium risk level. The dominant risk that has the most influence on the quality aspect is that the quality of the material is not in accordance with the quality specifications with a medium risk level.
Analisis Keselamatan Pelayaran Berbasis Analytical Hierarchy Process PT. ASDP Indonesia Ferry (Persero) Bakauheni Lampung Selatan Hijrah Faqih Ramadhan; Purwanto Purwanto; Sunu Arsy Pratomo
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 2 No. 3 (2024): Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v2i3.506

Abstract

The transportation sector has a very vital and strategic contribution to national development, because of its role as a driver and driver of development activities and a glue for the gap between regions. Ferry transportation is transportation that functions as a bridge connecting one area with another area separated by waters. The purpose of writing this paper This article was written to find out and explain the safety equipment standards, what types of safety equipment are there, and how many are there and how many crew members are on the ferry in accordance with applicable regulations. As well as the condition of passenger safety equipment on KMP. Sebuku, KMP. Portlink V, KMP. Jatra III and find out which ship is the most complete, and has the most safety equipment and crew on board. The method used in writing this paper uses the observation method, interviews, and literature studies. In this case, data collection is in the form of observation data, as well as a collection of documentation and data related to safety equipment.
Analisis Tahanan Isolasi Peralatan Utama Gardu Induk Panakkukang Fandi Rahman; Muh. Fitrah; Suryani Suryani; Hafsah Nirwana
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 2 No. 3 (2024): Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v2i3.507

Abstract

This study aims to find out about the procedure for measuring the isolation resistance of the main equipment of the 150 kV conventional substation (AIS) as many as 5 bays at the Panakkukang Substation through the measurement of the insulation resistance value in accordance with the predetermined standards. The method used in this study is quantitative descriptive. The subject of the study to be studied is a comparison of isolation resistance values in pre- and post-treatment. This was done to find out if there was a change in the insulation resistance value of the main equipment of the Substation. The main equipment studied is LA, PMT, CT, VT, and Transformer. Measurements were taken with a Megger measuring instrument, with a voltage injection of 5kV. For 5kV voltage injection, the maximum value of the test device is >1000 GΩ. The standard used is IEEE 43-2000, which is > 1 MΩ / 1 kV. Based on the results of research that has been carried out on each main equipment of the substation at GI Panakkukang. It can be concluded that the isolation resistance value in each main equipment of the substation at GI Panakkukang is above the minimum value (> MΩ/1 KV) in accordance with the IEEE Std 62: 1995 standard, VDE Catalogue 228/4, and the standard used by PLN in the "Power System Maintenance Guidebook" in 2014 the isolation resistance value at each main substation at GI Panakkukang has increased after being maintained. Maintenance can be carried out by cleaning the equipment body and foreign materials, and measuring the insulation resistance periodically.
Karakteristik Anomali Magnetik dari Metode Reduksi ke Kutub dan Reduksi ke Ekuator pada Struktur Sesar Aulia Huda Pinandita; Wahyu Sutresno
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 2 No. 3 (2024): Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v2i3.515

Abstract

Magnetic interpretation has its own challenges due to the bipolar nature of the Earth's magnetic field. So it is necessary to apply the reduction to poles and reduction to equator methods to make structure’s identification easier. In this research, magnetic data collection has been carried out in Lembang, West Java with the aim of validating the synthetic model anomaly results with field data to identify the position of the Lembang fault structure. By applying the pole reduction and equator reduction methods to magnetic anomaly field data, the structure of the Lembang Fault can be identified well and the anomaly character obtained from each method.
Rancang Bangun Sistem Monitoring Volume Bahan Bakar Minyak di Atas Kapal Berbasis ESP32 Muhammad Bima Saktia Kharissena; Agus Dwi Santoso; Dyah Ratnaningsih
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 2 No. 3 (2024): Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v2i3.518

Abstract

From this research, monitoring can be done using an ESP32 microcontroller that can run the HY-SRF05 ultrasonic sensor to take measurements of fuel in the tank and then the measurement results can be seen on the connected android. This tool is made to monitor the volume of fuel oil on board via android without having to check to the field. From the results of this study, it is obtained that the HY-SRF05 ultrasonic sensor can measure the fuel level (cm) with a distance of 30 cm from the bottom depth of the tank and then the fuel level data (cm) is processed by ESP32 and then the height data from the sensor reading is displayed via android which has been connected online via an internet connection in the form of fuel volume (L). Tests were carried out 10 (ten) times with 3 (three) different capacities, namely with a capacity of 25%, 50%, and 75% of the maximum capacity of the fuel and with 2 (two) test methods, namely testing in stationary tank conditions (A) and testing in tank conditions getting shocks (B). So that from this test, the total value of the tool error (error) in the stationary tank condition (A) is 0.426% and in the condition of the tank getting a shock (B) of 0.420%. Based on the test results, the tool is said to be able to work well between measurements using the HY-SRF05 ultrasonic sensor and the actual depth with a system accuracy level of 99.57%.
Identifikasi dan Pemetaan Lahan Kritis dengan Menggunakan Teknologi Sistem Infomasi Geografis : (Studi Kasus Kabupaten Bolaang Mongondow) Doly H. Tiagas; Fabio W.M. Latuheru
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 2 No. 2 (2024): Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v1i2.523

Abstract

This study aims to identify and map critical land in Bolaang Mongodow Regency using Geographic Information System (GIS) technology. Critical land in question is an area that has experienced a decline in soil and environmental quality due to human activities. The methodology used includes collecting field data, processing data using GIS software, and analysis to produce a map of critical land. The results of this study are expected to provide useful information for land management and rehabilitation in the area.

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