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Collaborate Daily Book Series
Published by Collaborate
ISSN : 30313279     EISSN : 30316723     DOI : 10.62012
Core Subject : Engineering,
Automotive Engineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Engineering Transportation
Engineering Daily Book Series is a peer-reviewed, Open Access Series that publishes original research articles as well as review articles in several areas of engineering. The subject areas covered by the book series are: Civil Engineering Computer Engineering Electrical Engineering Industrial Engineering Environmental Engineering Chemical Engineering Maritime Engineering Material and Structure Engineering
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 43 Documents
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Application of Environmentally Friendly Technology in the Welding Process Taufiqur Rachman
Collaborate Engineering Daily Book Series Vol. 1 No. 1 June (2023): Chapter Improve Competence To Complete The Requirements For International
Publisher : Collaborate

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Abstract

Environmentally friendly technology in the welding process is a technology that can optimize energy consumption, reduce emissions of harmful gases and particles, and minimize waste and radiation hazards. Environmentally friendly technology in the welding process can also affect the welder's competence, namely the welder's ability to perform welding by applicable standards and specifications. This article aims to analyze the effect of electrode variations in the SMAW welding process on the mechanical properties of ASTM A36 steel. ASTM A36 steel is a type of low-carbon steel widely used in steel construction. The electrodes used in this study were E6010, E6013, E7016, and E7018. These electrodes have different chemical compositions and current characteristics. This study uses a quantitative and experimental approach with a 4x3 factorial design. The results showed that the environmentally friendly technology used in the welding process affected the environmental performance and competence of the welder. FSW is the leading green technology regarding environmental performance and welder competence compared to MPW, LAHW and GMAW. This article can provide useful information for welders who want to improve their competence and meet international standards in the field of welding.
Calculation Ultimate Strength on Media Use Backing Ceramic Against ASTM A36 Steel by SMAW Process Sabaruddin Rahman
Collaborate Engineering Daily Book Series Vol. 1 No. 1 June (2023): Chapter Improve Competence To Complete The Requirements For International
Publisher : Collaborate

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Abstract

Metal welding of large structures often requires alternating welding on both sides, which can be costly and time-consuming. However, welding results are only sometimes perfect, and gaps often require solutions to maximize welding results. One solution is using media backing ceramic as a support that can give better results. This study aims to evaluate the effect of backing ceramic and non-backing ceramics on the strength of the tensile test results on ASTM A36 steel using SMAW welding. The results of the tensile test show that there is an effect of strength on ASTM A36 steel. Mark Ultimate Tensile Strength, the highest, was obtained on specimens that did not use backing ceramics, equal to 451.893 Mpa. In contrast, the lowest value of Ultimate Tensile Strength was obtained on the specimen using backing ceramics, equal to 428.736 MPa.
Analysis of the Impact of Welding on Air Quality and Public Health in Indonesia Sabaruddin Rahman
Collaborate Engineering Daily Book Series Vol. 1 No. 1 June (2023): Chapter Improve Competence To Complete The Requirements For International
Publisher : Collaborate

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Abstract

Welding is a process that produces gas and particulate emissions that can affect air quality and public health. This study aimed to analyze the impact of welding on air quality and public health in Indonesia, using data from various sources and statistical methods. The results showed that welding increased the concentration of air pollutants such as PM2.5, PM10, NO2, SO2, O3, and CO in several big cities in Indonesia, especially Jakarta, Surabaya, Bandung and Medan. Welding also harms public health by increasing the risk of respiratory, cardiovascular disease, lung cancer and neurological disorders. This study recommends several steps to reduce the impact of welding on air quality and public health in Indonesia, such as using welding technology that is more environmentally friendly, implementing strict emission standards, monitoring and controlling air quality, and increasing public awareness and education about the dangers of welding.
Application of Basic Welding Techniques Shield Metal Arc Welding (SMAW) to Improve the Capability of Forced Village Communities Mohammed Riayadh
Collaborate Engineering Daily Book Series Vol. 1 No. 1 June (2023): Chapter Improve Competence To Complete The Requirements For International
Publisher : Collaborate

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Abstract

Most of the area of ​​this village is an area of ​​rice fields and fields. In the agricultural sector, some villagers have used mechanical, agricultural equipment that requires maintenance and repair by welding. In addition, welding is also often used in the livestock sector and for other purposes. Among the many types of welding, SMAW welding is the most popular and widely used both on a home and industrial scale. The welding process requires understanding the correct procedures, appropriate tools, personal protective equipment, and K3. Therefore, training guidance was held for the Force Village community to improve welding skills. The method used is providing material about welding, K3 and practice. The results of this training guidance activity show an increase in the skills and knowledge of the trainees, which can be seen from the results of the tests before and after the training.
Calculation of Elongation in Media Use Backing Ceramic against Steel ASTM A36 by SMAW Process Juswan Sade
Collaborate Engineering Daily Book Series Vol. 1 No. 1 June (2023): Chapter Improve Competence To Complete The Requirements For International
Publisher : Collaborate

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Abstract

Process Welding is usually done back and forth to get maximum results; of course, this will save time and increase costs. A medium backing ceramic is used to minimize the time a welder uses and the costs used. In the welding process, it will only partially get good results. Therefore, researchers will look for solutions to problems to maximize better welding. Therefore this research made to know the effect value of useBacking ceramic and not useBacking ceramic against ASTM A36 steel using SMAW welding using elongation calculations. Influence of media use backing ceramic on the strength of the tensile test on ASTM A36 steel using SMAW welding using elongation calculation is known that the highest elongation values ​​were found in specimens that did not use Backing ceramic by 8.80%. At the same time, the lowest elongation value is found in the specimen that uses Backing ceramic by 7.30%.
Relationship between Knowledge and Fatigue with Unsafe Behavior in Classification Workers Juswan Sade
Collaborate Engineering Daily Book Series Vol. 1 No. 1 June (2023): Chapter Improve Competence To Complete The Requirements For International
Publisher : Collaborate

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Abstract

A work accident is an unwanted and unexpected event caused by unplanned factors. One of the factors causing work accidents is personal factors, which include a lack of knowledge, expertise, and motivation, as well as physical and mental problems. Based on the results of previous studies, unsafe behaviour is one of the main causes of work accidents. Therefore, it is necessary to research to determine the relationship between personal factors such as knowledge, skills, and fatigue with unsafe behaviour in welding workers. The purpose of this study is to identify the relationship between personal factors and unsafe behaviour in welding workers in order to find appropriate preventive methods to minimize the occurrence of unsafe practices and work accidents. The results showed a significant relationship between knowledge and unsafe behaviour, with a significance value of 0.001. The correlation coefficient between knowledge and unsafe behaviour is -0.547, which indicates a strong relationship.
Effect of Using Ceramic Backing Media on SMAW Welding on Value Reduction of Area on ASTM A36 Steel Juswan Sade
Collaborate Engineering Daily Book Series Vol. 1 No. 1 June (2023): Chapter Improve Competence To Complete The Requirements For International
Publisher : Collaborate

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Abstract

ASTM A36 steel is a low-carbon steel often used as a general manufacturing material. Tensile testing is one of the most important and dominant mechanical properties in construction design and manufacturing. Each material or material has different properties (hardness, flexibility, etc.). A test is needed to determine a material's mechanical properties. One of the most frequently performed tests is the tensile test. This test has a function to determine the level of strength of a material and to identify the characteristics of the material. Therefore, this study aims to determine the effect of using ceramic backing media in SMAW welding on the value of area reduction in ASTM A36 steel. Based on the test results, the value of the area reduction varies in each specimen. The specimens that did not use ceramic backing had an average area reduction value of 53.51%, while the variation using ceramic backing had an average area reduction value of 61.17%.
Literature Study Of The Effectiveness Of Flexible Pads As Submarine Pipeline Protection Due To Anchor Falls Juswan Sade
Collaborate Engineering Daily Book Series Vol. 1 No. 2 December (2023): Chapter Problems and Solutions for Improving Competence and Quality of
Publisher : Collaborate

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Abstract

Subsea pipelines are critical transportation infrastructure for the offshore oil and gas industry. With the increasing construction of undersea pipeline networks and the construction of ports on coastlines, cases often occur where the landing sections of undersea pipelines intersect shipping lanes. Some of the problems faced in underwater pipes include damage to underwater pipes due to shifting and kinking, pipes hitting ship anchors, and pipes being dragged by ship anchors so that they are damaged and broken. Subsea pipelines located in shipping areas or near docks are vulnerable to the effects of falling anchors. Dropping an anchor on a pipe is one of the most severe accidents in the oil and gas industry. Considering that the impact of the anchor drop on the pipe directly affects the safety of the pipe vessel and the cover layer design, this test mainly measures and analyzes the force on the pipe when the anchor is dropped. The main objective of this study is to determine how dimensions and material composition have a significant influence on the protection of underwater pipelines. In this research, a series of discussions were carried out regarding physical model testing to study the dynamic response of a pipe network with various protection methods affected by falling anchors. The results of the two tests show that using flexible pads as a layer to protect underwater pipes is very effective and has minimal impact on underwater pipes if anchors or other heavy objects fall. Applying flexible stone pads can provide the best protection with the lowest strain and length that affects the pipe.  
Review of Marine Pipe Repair Methods in Indonesia Juswan Sade
Collaborate Engineering Daily Book Series Vol. 1 No. 2 December (2023): Chapter Problems and Solutions for Improving Competence and Quality of
Publisher : Collaborate

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Abstract

Marine pipes are subject to risks that can cause damage to them. These risks include internal corrosion due to corrosive fluids, erosion caused by solid particles in the flowing fluid, external corrosion, and impact by anchors to the pipe's external surface. If damage and leakage occur in the pipeline, in addition to considerable losses in products and significant economic losses, it also causes environmental pollution. Therefore, identifying marine pipe repair methods and knowing the conditions under which each can be applied is essential. From the first days of using marine pipes until now, many methods have been used to repair pipe defects. While all defects remain the same, repair methods continue to improve to reduce time costs and increase safety and operational certainty. The impact levels vary according to damage type, working environment (land and sea), working pressure and temperature, pipe length, fluid, etc. Considering all this and the fact that kilometres of marine pipes exist, It is essential to know and master the various pipe repair methods and master them. Therefore, according to the parameters and methods mentioned in this article, various types of marine pipe repair and necessary equipment have been reviewed.    
Vibration Characteristics and Reduction Analysis of the Lifting Pipe Below Sea Wave Sabaruddin Rahman
Collaborate Engineering Daily Book Series Vol. 1 No. 2 December (2023): Chapter Problems and Solutions for Improving Competence and Quality of
Publisher : Collaborate

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Abstract

The effect of vibration dampening on lifting pipes in deep sea mining has attracted more and more attention in the last three decades; however, there are very few reports in the literature on the influence of ocean currents on pipe vibrations. Considering the geometric features of the prototype, this paper establishes the physical, mathematical, and simulation models of the lifting subsystem. A comprehensive finite element model for a deep sea mining system by OrcaFlex was developed to explore the influence of prop mass and sailing speed on deflection angles and axial loads and stresses of lifting pipes. Analytical and numerical simulations have been formulated to describe the variation rules of longitudinal vibration and axial stress at pump and buffer positions for the lifting subsystem to determine dynamic vibration damping parameters. This paper uses MATLAB and Orcaflex software to verify the mathematical model. The simulation results show that the installed DVA can effectively reduce the axial stress and longitudinal displacement at specific positions of the lifting pipe.  

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