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Pena Teknik : Jurnal Ilmiah Ilmu-ilmu Teknik
Published by Universitas Andi Djemma Palopo
ISSN : 25028952     EISSN : 26232197     DOI : -
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Mechanical Engineering Transportation
The editorial team will only accept a manuscript that meets the specified formatting requirements. Journal Pena Teknik has an area of expertise consisting of Civil Engineering Information System, Computer and Network Engineering Architecture & Urban-Regional Planning Mechanical & Electrical Engineering Transportation Engineering Geological & Mining Engineering Ocean & Naval Engineering
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 6 Documents
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Search results for , issue "VOLUME 7 NUMBER 2 SEPTEMBER 2022" : 6 Documents clear
Use of Nickel Slag Waste as Coarse Aggregate in Concrete Andi Ahdan Amir; Sukman Sukman; Mahmud Mahmud; Hasrudin Hasrudin
PENA TEKNIK: Jurnal Ilmiah Ilmu-Ilmu Teknik VOLUME 7 NUMBER 2 SEPTEMBER 2022
Publisher : Faculty of Engineering, Andi Djemma University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51557/pt_jiit.v7i2.1270

Abstract

Indonesia is the largest nickel producer in the world. but from another aspect, the problem of ex-mining pits, combustion ash waste, nickel slag and others are environmental issues in the nickel mining industry (nikel.co.id, 2020). Currently, the Ministry of Industry through the research and development unit is trying to raise the potential of nickel slag or slag so that it can be used as industrial raw material that is in line with environmental management in the context of a sustainable economic program (antaranews.com, 2020). Based of this study was conducted on the use of nickel slag as a substitute for coarse aggregate in concrete. This research is an experimental study with the objectives of analyzing the physical and mechanical characteristics of nickel slag, analyzing the compressive strength of concrete using nickel slag as a substitute for coarse aggregate, and analyzing the optimal percentage of nickel slag used as a substitute for coarse aggregate. The results of this study indicate that the use of nickel slag as a substitute for coarse aggregate for 20 MPa concrete, and unable to achieve the planned average compressive strength of 20 MPa plus a margin of 12 MPa, resulted in a decrease in compressive strength and did not provide quality improvement. concrete. The application of nickel slag as a substitute for coarse aggregate in structural concrete with a design compressive strength ≥ 20 MPa is not recommended.
Fire Vulnerability Assessment using Multicriteria Analysis in Makassar City Nanda Mutiara Zani; Azizah Putri Abdi; Nur Zahrah Afifah; Iqbal Kamaruddin; Amiruddin Akbar Fisu
PENA TEKNIK: Jurnal Ilmiah Ilmu-Ilmu Teknik VOLUME 7 NUMBER 2 SEPTEMBER 2022
Publisher : Faculty of Engineering, Andi Djemma University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51557/pt_jiit.v7i2.1365

Abstract

The safety aspect, especially the fire disaster, is essential for Makassar City because of its role as a metropolitan city and a center of activity in the Eastern Indonesia Region. The dense population and activities make Makassar City vulnerable to fires. A vulnerability assessment can assist in urban disaster management, especially in highlighting areas of fire disaster mitigation.Based on this urgency, this study aims to identify fire-prone areas in Makassar City. This study examines the fire vulnerability of Makassar City from population density, building density, frequency of previous fire events, fire fires, distance to the availability of clean water, and dangerous buildings. Fire susceptibility criteria are based on stakeholder assessments involving disaster experts, city planners, and firefighters through the Analytical Hierarchy Process. Spatial assessment using multi-criteria analysis through the Simple Additive Weighting method, which is integrated with the Geographic Information System to allow spatial weighting. The study results show that the western and northern parts of Makassar City are very prone to fires. This area is an early development area for Makassar City, characterized by a dense population and buildings with various activities.
Augmented Reality for Solar System Learning Mizanul Mashar; Ahmad Ali Hakam Dani; Muhlis Muhallim
PENA TEKNIK: Jurnal Ilmiah Ilmu-Ilmu Teknik VOLUME 7 NUMBER 2 SEPTEMBER 2022
Publisher : Faculty of Engineering, Andi Djemma University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51557/pt_jiit.v7i2.1277

Abstract

AbstractAlong with the rapid development of smartphones and the absence of Solar System learning media in the case study of SMPN 3 RAMPI, for this reason, research, and development of Augmented Reality (AR) for Solar System Learning were made to make Android-based smartphones a media for learning the Solar System using Augmented Reality Technology and introducing Augmented Reality technology to students. The research method is the Research and Development (RD) method with the ADDIE (analysis, Design, Development, Implementation, evaluation) development model. The results of this study are: (1) This learning application is made using Blender software, Unity, and the Vuforia database, which helps facilitate the development process; (2) This learning application can already be applied in research locations and used as learning media that are more effective, efficient, and interactive so that they can help increase students' interest in learning; (3) The results of the application feasibility test questionnaire with usability-based questions distributed to selected respondents get a score of 90%, which is converted according to the feasibility percentage table, then the application is declared very feasibly.
Planning Pedestrian Paths for Trade and Service Areas of Balikpapan City with the Walkability Concept Enggal Muluk Kumandang; Dwiana Novianti Tufail
PENA TEKNIK: Jurnal Ilmiah Ilmu-Ilmu Teknik VOLUME 7 NUMBER 2 SEPTEMBER 2022
Publisher : Faculty of Engineering, Andi Djemma University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51557/pt_jiit.v7i2.1281

Abstract

Corridor of the commercial area of Jalan MT. Haryono Balikpapan City specifically from the MT. Haryono Bridge to the Traffic Light Beruang Madu Monument has the characteristics of high mobility by motorized vehicles. Under these conditions, efforts are needed to encourage non-motorized movements. One of the efforts that have been made in the provision of pedestrian paths in the trade and service area. However, the lane has several problems, such as damaged sidewalks, motorized vehicles that often park around the sidewalks, and there are no guiding blocks for disabled users. Therefore, this study aims to plan a pedestrian path in the commercial area in the corridor of Jalan MT. Haryono uses the concept of walkability. This research uses walkability suitability analysis, community satisfaction level analysis, and Photo Mapping analysis. The results of the suitability analysis showed that segment 1 of the research area was not following the walkability and it was necessary to improve the pedestrian path infrastructure and add supporting facilities such as chairs, trash cans, CCTV, and shade plants, to guide blocks. While in segment 2, almost all of the variables are appropriate and require maintenance of several pedestrian path facilities. In the analysis of the level of community satisfaction using the Multicriteria Satisfaction Analysis, the planning priorities of the 4 walkability indicators are obtained. The results of this analysis show that segment 1 requires planning for the development of safety and comfort indicators, while segment 2 requires planning related to the development of safety and beauty indicators. The results of Photo Mapping show that it is necessary to add road barrier facilities, guiding blocks, parking ban signs, resting chairs, green lanes, repairing pedestrian lane infrastructure, and improving zebra crossing in segment 1. Segment 2 requires additional parking ban markers, speed bumps, chairs, trash cans, green paths, and care for weeds growing along the walkways
The Concept of Development of Ex-Mining C Mine in Wonosobo Regency Zam Zam Masrurun; Wilda Rizkina Ulfa
PENA TEKNIK: Jurnal Ilmiah Ilmu-Ilmu Teknik VOLUME 7 NUMBER 2 SEPTEMBER 2022
Publisher : Faculty of Engineering, Andi Djemma University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51557/pt_jiit.v7i2.1331

Abstract

The development of ex-mining land needs to be carried out to preserve the environment and make an alternative to sustainable, beneficial, and efficient use of ex-mining land. This study aims to provide an alternative concept for the development of ex-mining C excavation in Kertek District and Mojotengah District in Wonosobo Regency so that ex-mining land can still have economic value but is sustainable from the physical and environmental aspects. This research used a SWOT analysis technique. Data analysis was carried out from the results of collecting field facts and secondary data to identify existing conditions and ideal conditions to be achieved, as well as through alternative studies by identifying and analyzing segmentation based on land use, location, and existing conditions. The results of the study resulted in the concept of Eco-community Highland Tourism. This concept is to develop an area with high environmental quality and human resources, driven by the tourism sector as a priority. This concept contains the principles of improving environmental quality, economic sustainability, community empowerment, and the development of the tourism sector by the upland agricultural sector.
Optimization of the Underframe of the Sultan Wind Turbine V5 Using the Optimization Topology Method Farhan Hafizh Ghifari; Erwin Erwin; Slamet Wiyono
PENA TEKNIK: Jurnal Ilmiah Ilmu-Ilmu Teknik VOLUME 7 NUMBER 2 SEPTEMBER 2022
Publisher : Faculty of Engineering, Andi Djemma University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51557/pt_jiit.v7i2.1335

Abstract

Sultan wind turbine is one of the products of the New Renewable Energy Engineering Lab, Faculty of Engineering Untirta which has developed from year to year until now. To keep up with industrial developments in today's era, renewal is needed to improve and update the technology contained in the sultan wind turbine. In particular, today's optimization topologies are seen as providing the possibility to realize truly manufacturing-optimized designs through topology optimization. A topological optimization is an approach that is considered powerful in design because it contributes to designs that can save energy, materials ,and time that cannot be achieved economically using other manufacturing processes. A topological optimization, as it is often called, computer configuration of the best material over 3D space, usually represented as a grid, to satisfy or optimize physical parameters. Designers using these automated systems often seek to understand the interaction of physical constraints with the final design and their implications for other physical characteristics. Such understanding is a challenge to using a visualization approach to explore the design solution space. The essence of our new approach is to summarize an ensemble of solutions by automatically selecting a set of examples and parameterizing a design space.

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