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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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Optimalisasi Kegiatan Setting Function Pada Proyek Pembangunan Kapal Menggunakan Metode CPM dan PERT Alika Kurnia Agustin; Hafid Syaifullah
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.v2i3.381

Abstract

Planning project activities is one of the important foundations for project implementation so that the project can be carried out optimally. The schedule is part of project planning which is a parameter for the success of a project. Scheduling needs to be considered to determine the duration and sequence of project activities, so that a logical and realistic project schedule can be formed. The aim of this research is to obtain the critical path of a project activity along with the duration required during the project and to obtain the probability of the project reaching the expected target. In this research the Critical Path Method (CPM) and the Program Evaluation Review Technique (PERT) method are used. . Based on the results of the calculations and discussion, it can be concluded that in the function setting activity a critical path was obtained which consists of 7 activities, namely A – B – F – G – H – I – J with a duration of 57 days. It was also found that the probability of the project reaching the expected target within 76 days or less was 0.9978 or 99.78%.
Kebutuhan Alat Teknis Reklamasi PIT 3 Selatan PT. Wijaya Mandiri Energi di Kabupaten Paser, Kalimantan Timur Galih Handhika; Henny Magdalena; Lucia Litha Respati
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.v2i3.402

Abstract

Reclamation is an activity carried out throughout the stages of the mining business to organize, restore, and improve the quality of the environment and ecosystem so that it can function again according to its designation (Law No. 3 of 2020). In PT Wijaya Mandiri Energi's mining activities that have been completed, the required activity is to carry out reclamation. In planning reclamation activities, technical reclamation tools are needed. Therefore, in this study, calculations were carried out to determine the number of technical equipment requirements used in reclamation activities that will be carried out in pit 3 south. Based on observations of mining activities carried out in pit 3 south, data is obtained in the form of productivity values of digging-loading equipment, transport equipment and displacement equipment. In this research, the quantitative analysis method is used by calculating the value of the area, productivity and actual working hours so as to obtain the value of the need for digging tools, transport tools and displacement tools needed in reclamation activities to achieve optimal value. As for the research conducted with an area of 5.95Ha and a production target of 208,250 m3, with the productivity of Doosan 500LCV excavator equipment of 218.64 m3 / hour, dump truck of 58.84 m3 / hour and SEM 822D bulldozer of 351.64 m3 / hour, the number of excavator Doosan 500LCV digging and loading equipment is 2 units, Beiben 2642 dump truck of 8 units and SEM 822D bulldozer of 2 units.
Pengaruh Sifat Fisik Terhadap Nilai Uniaxial Compressive Strength Batuan Dengan Kondisi Natural, Jenuh dan Kering Pada Formasi Balikpapan dan Pulaubalang Provinsi Kalimantan Timur Firman Firman; Albertus Juvensius Pontus; Lucia Litha Respati
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.v2i3.404

Abstract

The uniaxial compressive strength value is one of the important parameters that is widely used in rock engineering projects in determining rock mass. The strength of rocks is greatly influenced by the water content and degree of saturation in the rock. Reduction of strength in rock is associated with an increase in water content, a slight increase in water content will cause a significant deviation in the compressive strength test value.This research is quantitative research, so to obtain accurate calculation data, testing methods are used in the form of compressive strength tests on rocks and physical properties tests in the treatment of samples of original rock, saturated rock and dry rock before testing. In this research, 2 types of rock were used, including limestone and sandstone in 2 rock formations, namely the Balikpapan formation and the Pulaubalang formation, so that the accuracy of the test result values ​​could be obtained well. Based on the results of observations and calculations that have been carried out, the water content values ​​of limestone in natural, saturated and dry conditions in the Balikpapan formation are obtained with average values ​​of 1.709%, 2.262% and 0.961% respectively. The water content of sandstone in natural, saturated and dry conditions is the Pulaubalang formation with average values ​​of 2.491%, 9.425% and 0.463% respectively. The UCS value of limestone in natural, saturated and dry conditions in the Balikpapan formation has an average value of 25.29 Mpa, 37.57 Mpa and 40.70 Mpa respectively. The UCS value of sandstone in natural, saturated and dry conditions in the Pulaubalang formation has an average value of 9,565 Mpa, 6,537 Mpa and 12,730 Mpa. It can be concluded that the correlation between uniaxial compressive strength values ​​and water content values ​​in limestone and sandstone shows a positive linear correlation, which means they have a strong relationship. The higher the compressive strength value of limestone and sandstone, the lower the water content value.
Tata Kelola Galangan Kapal Kayu di Desa Bahari I, Kecamatan Sampolawa Kabupaten Buton Selatan Samaluddin Samaluddin; Azhar Aras Mubarak; Rahmawati Djunuda
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.v2i3.439

Abstract

The wooden shipyard in Bahari Village is a privately-owned facility that conducts maintenance, repair, and construction of new wooden ships. The vessels serviced at this shipyard range from 10 GT to 25 GT and are made from wood. The purpose of this research is to evaluate the management of the wooden shipyard in Bahari I Village, Sampolawa District, South Buton Regency. The methodology used is a survey method, and the data is analyzed using fishbone analysis followed by a descriptive approach. The results of this study indicate that the construction and repair processes of wooden ships in Bahari I Village are not efficient due to facilities that do not meet standards, with only 22% of the necessary conditions being fulfilled. The management of this wooden shipyard is still far from adequate because several aspects remain uncontrolled, such as the shipbuilding process not meeting expected targets, delays in the availability and delivery of raw materials, and the use of very basic tools and outdated technology.
Kendaraan Utama dan Pendukung PKP-PK Sebagai Penunjang Keselamatan Penerbangan Gede Rivananda Widya Putra; Mohamad Fathan Azka Fakhreza; Nawang Kalbuana
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.v2i3.440

Abstract

Indonesia is an archipelagic country that needs transportation in order to run the economy. Air transportation is the safest transportation at the moment, because it applies very strict standard operating procedures (SOP) for its operations. One of the most important aspects of air transportation is how airport managers ensure flight safety, namely by the presence of PKP-PK units. This research aims to understand the relationship between the main and supporting PKP-PK vehicles as supporting aviation safety. By using the literature review method as a research method, using various sources from journals, articles and books as references both online and offline. The results of this literature review article are: 1) The main PKP-PK vehicles have an influence in supporting flight safety; 2) PKP-PK support vehicles have an influence in supporting flight safety. The main and supporting vehicles are crucial factors in determining the effectiveness of handling emergency situations at the airport. Continuous efforts to improve the quality and readiness of PKP-PK units are a very valuable investment in maintaining the reputation of aviation safety.
Pengaruh Penambahan Surfaktan Estolida dan Digliserida pada Pelumas Minyak Goreng terhadap Temperatur Mesin dan Daya Alfianto Alfianto; Haris Puspito Buwono
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.v2i3.453

Abstract

Lubricating oil is a type of fluid needed by a machine to carry out work steps. Significant changes in the temperature of the lubricating oil viscosity until it is too low makes the engine components less lubricated, which causes the engine components to heat up quickly because the friction between the metals that occurs becomes greater. Lubricant that is of poor quality can cause deposits to appear in the engine room which results in the engine working harder. The aim can be achieved in this research by varying the lubricating oil with a mixture of Estolide and Diglyceride surfactant percentages of (2.5%, 5% and 7.5%). This test was carried out on a petrol motorbike with a combustion chamber volume of 125cc with standard conditions. The data that will be taken in this research includes engine temperature and power. The power testing method using a dynamometer and lubricant with cooking oil mixed with 7.5% estolide surfactant after heating produces an average value of 6.52 HP which has a higher average value than oil with a value of 5.37 HP
Pengaruh Surfaktan Polysorbate dan Lesitin Pada Pelumas Minyak Goreng Terhadap Temperatur Mesin dan Daya Muhammad Rifqi Aditya Irawan; Haris Puspito Buwono
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.v2i3.455

Abstract

The development of the automotive world to date has grown rapidly, especially two-wheeled vehicles. Large temperature changes in lubricating oil viscosity, even if the value is too low, will reduce the lubrication of engine parts, increase friction between metals, and cause engine parts to heat up quickly. Efforts to control and overcome excessive engine heat can replace mineral-based lubricating oils with environmentally friendly and biodegradable lubricating oils. The purpose of this study is to determine the effect of using a mixture of cooking oil and surfactants C64H124O26 and C42H80NO8P as engine lubricants on the power and temperature produced by motorized vehicles. The independent variables of this research are RPM variation and mixture of pure cooking oil with lecithin and polysorbate surfactant (2.5%, 5%, 7.5%). The dependent variables are engine temperature and power. The control variables of this research are testing at room temperature, 4 stroke 125CC matic vehicle, and Raw Material using Palm cooking oil. The test method uses an infrared thermo gun for temperature and Dyno test for the highest power test on the type of Cooking Oil + Polyosrbate 7.5% with an average overall power of 5.872, then for the lowest temperature on the type of Cooking Oil + Polysorbate 2.5% with an average value of 86.2ºC.
Rancang Bangun Automatic Electric Oil Heater Sebagai Pengganti Thermal Oil Boiler Berbasis IoT Pada Kapal Bulk Carrier Fadli Sukma Pamedar; Sonhaji Sonhaji; Antony Damanik
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.v2i3.465

Abstract

From this study, the automatic electric oil heater can be used to adjust the temperature value and the automatic electric heater will be able to turn off automatically according to the setpoint temperature value determined through a smartphone device or IoT program. Monitoring can also be done with the app, as well as being able to view temperature values directly through the LCD. This tool is in the form of an electric heater that will be used to heat ship fuel automatically and is more practical and efficient. It is also easier to maintain than a boiler on a ship. The design of this tool is based on accurate calculation of temperature values, with which the process of heating up fuel becomes faster. From the results of this study, a heat sensor that can read the temperature value and the buzzer will sound and the device will automatically turn off if the temperature has reached a specified setpoint. This research was carried out when the ship was about to make a departure to find out the temperature in the heating of the fuel on the ship. Testing Design of an automatic electric oil heater as a replacement for IoT-based thermal oil boiler on this bulk carrier ship, it can be known the disadvantages and advantages of this tool, testing can be done by putting oil into the electric heater, then in a short time the oil will heat up quickly, and the tool will be able to turn off automatically and the buzzer will immediately turn on when the heat has reached the specified temperature. In the temperature setting, it can be set in a smartphone or an app that can adjust the temperature and turn off the appliance from a considerable distance. However, the application must use the internet network and cannot be accessed locally, the use of IoT requires devices and smartphones to be connected to the internet.
Analisis Kinerja Bongkar Muat Curah Kering di Pelabuhan Tanjung Tembaga : Studi Kasus : Pt Delta Artha Bahari Nusantara Ilma Nur Fadhila Aghnia; Dian Junita Arisusanty; Anak Agung Istri Sri Wahyuni; Jose Beno
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.v2i3.478

Abstract

This research focuses on analyzing the performance of dry bulk unloading at Tanjung Tembaga Port, with a case study of PT Delta Artha Bahari Nusantara. The main objective of this research is to evaluate the performance of dry bulk loading and unloading services at the port and identify efforts that can be made to improve loading and unloading productivity. The research method used is descriptive quantitative, with data collection through direct observation, interviews, and documentation studies. The data obtained were analyzed using statistical methods and compared with the established operational service performance standards. The results showed that the performance of loading and unloading at Tanjung Copper Port seen from all indicators of loading and unloading performance can be concluded that the average of all indicators includes good category as evidenced by the total percentage of the average of 79.96%. This study concludes that to improve loading and unloading performance, PT Delta Artha Bahari Nusantara needs to improve facilities and infrastructure, improve operational systems, and provide training to the workforce. Thus, it is expected that the port can be more efficient in handling dry bulk loading and unloading and contribute positively to the supply and distribution chain.
Evaluasi Perencanaan Penanganan Existing Jalan yang Tidak Stabil pada Ruas Jalan Gunting Saga – Teluk Binjai Kab. Labuhan Batu Utara: Studi Kasus Muhammad Arif Gusfimi; Marwan Lubis; Hamidun Batubara
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.v2i3.480

Abstract

The Gunting Saga - Teluk Binjai Road section (North Labuhan Batu Regency) is a Collector Road or Regency Road that connects the city of Aek Kanopan and the city of Kualuh Hilir. On this section of road, several large and heavy vehicles often pass with geometric conditions that are not too wide and at some points the ground conditions are less stable, which results in poor traffic flow and also damage to parts of the road. The impact of the lack of width and damage to the existing condition of the Gunting Saga - Teluk Binjai section is: hampering economic activity in the area. The aim of the study is to plan flexible pavement and widening on road shoulders and also plan flexible pavement on additional or overlay pavement.To support this study, several data are needed, such as: traffic volume data, rainfall data, CBR data, Benkelman beam data and also unit price analysis data using secondary data obtained from the North Sumatra Province National Road Planning and Supervision Working Unit. From the results of the data obtained, it is then processed and analyzed in the calculation of flexible pavement for new roads and additional pavement (overlays) using Bina Marga standards for flexible pavement analysis using Instructions for Planning the Thickness of Flexible Pavement for Highways Using the Component Analysis Method (SKBI-2.3.26.1987), Meanwhile, for additional pavement analysis (overlay), the Hot Rolled Overlay Design For Indonesia method is used.From the calculation results, it is obtained that the thickness of the flexible pavement layer for the new road and also the thickness of the additional pavement layer (overlay) are obtained with various values, namely: segment 1 has a layer value of D1 = 5,4 cm, D2 = 25 cm, D3 = 35 cm as well as for each segment so on up to four segments.

Page 4 of 14 | Total Record : 138

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