Proceedings of the 3rd International Conference on Science in Engineering and Technology (ICOSIET 2024)
47 articles
Proceedings Article
Peer-Review Statements
Hideo Oshikawa, Vipinkumar Gaurishankat Yadav, Zhengjiang Shen, Supachok Tanpichai, Iqbal Pratama
All of the articles in this proceedings volume have been presented at the [3rd International Conference on Science in Engineering and Technology (3rd ICOSIET 2024)] during [24th to 25th October 2024″] in [Palu]. These articles have been peer reviewed by the members of the [Scientific Committee] and approved...
Proceedings Article
The Effect of Various Statistical Distributions of Inter-Arrival Times in Discrete Event Simulation of Repetitive Construction
Adnan Fadjar, Mastura Labombang, Fahirah Fahirah
This study investigates the impact of different statistical distributions on inter-arrival times in discrete event simulation (DES) for repetitive construction projects. Inter-arrival times play a crucial role in repetitive construction project scheduling, influencing efficiency and resource allocation....
Proceedings Article
Sediment Transport Simulation at the Mouth of the Palu River
Ridhwan Jugi Permana Putra, Andi Rusdin, Setiyawan Setiyawan, Sri Warliawati
The aim of this study is to quantify the changes in riverbed elevation due to sedimentation in the Palu River and to assess the depth of scouring at the bridge pier of the Palu IV Bridge using simulation methods with the HEC-RAS (Hydrologic Engineering Center-River Analysis System) software. The required...
Proceedings Article
Planning Retention Ponds at Tadulako University
Moh. Yasin, Andi Rusdin, Setiyawan Setiyawan, Sri Warliawati
With the increasing number of study programs offered each year, Tadulako University is improving its academic support facilities and infrastructure to create a conducive and comfortable atmosphere and campus life. However, the development of new infrastructure, such as lecture buildings and other supporting...
Proceedings Article
Local Scouring around Piers of Palu I Bridge
Sri Warliawati, Andi Rusdin
The purpose of this research is to know the river bed change and scour that occurs around bridge pier of Palu I. The method used in this research is simulation using HEC-RAS software. This simulation is done with river topography and geometric bridge as geometric input, average discharge as upstream...
Proceedings Article
Excavation Method and Support System Recommendation of Diversion Tunnel at Jatinegara Dam, Tegal District, Central Java
Raditya Apriliana, I Gde Budi Indrawan, I Wayan Warmada
The purpose of the Jatinegara Dam is to irrigate agricultural land in the villages of Cacaban dan Rambut. The Jatinegara Dam uses tunnel construction as its diversion tunnel. The objective of this research is to provide recommendations for the tunnel excavation method and support system, as well as to...
Proceedings Article
Investigation of Combustion Performance of Coconut Shell Waste Charcoal Briquettes with Clay as Binding Material
Daud Patabang, Basri Basri, Kristian Seleng
This study explores the thermomechanical characteristics of coconut shell waste charcoal briquettes with the addition of clay as a binding material. The utilization of coconut shell waste (CSW) as a renewable energy source has gained attention due to its abundance and potential environmental benefits....
Proceedings Article
Limestone Characteristics as a Construction Material in Kabonga Besar and Surrounding Area of Donggala Regency of Central Sulawesi Province
Tati Fitriana, Nunik Rezkiarti Janat, Nurhikmah Supardi, Willyam Living Stone
The continuous growth of population increases the demand for housing and infrastructure, posing challenges in providing sustainable and environmentally friendly construction materials. Limestone, a non-metallic mineral commodity, holds significant potential as a construction material. However, its lithological...
Proceedings Article
Comparative Analysis of Stakeholder Performance with Workforce Skills in Private and Government Projects in Palu City
Ni Made Ayu Juli Andjani, Tutang Muhtar Kamaludin
The purpose of this study is to identify what stakeholders need to prepare to improve the skills of construction workers in Palu City. The theoretical basis of this study is the Performance Prism Method, which includes satisfaction, contribution, strategy, process, and capability of each stakeholder....
Proceedings Article
Characteristic of Sedimentation in Sabo Dam Building at Salua River
Alifi Yunar, Nina Bariroh Rustiati, Novita Pradani, Arody Tanga
The flash flood disaster that hit villages in Sigi Regency has become a serious concern. This is because the flood carries sedimentary material and trees which cause damage. It’s called a debris flow. The Sigi Regency Regional Government, in collaboration with the Sulawesi River Region Office 3 (BWSS...
Proceedings Article
Performance of YOLOv5 Object Detection for Waste Type Classification: A Case Study on Domestic Inorganic Waste
Erwin Ardias Saputa, Martdiansyah Martdiansyah, Muhammad Aristo Indrajaya, Muhammad Dwiki Bayu Aristo, Andi Iin Nindy Karlinda Kadir, Alricha
To address the issue of environmental pollution caused by domestic inorganic waste, a technology capable of efficiently classifying waste types with high accuracy is needed. This study aims to explore the use of YOLO (You Only Look Once), an algorithm based on deep learning using convolutional neural...
Proceedings Article
Effect of Copper Addition on the Thermal Conductivity of Aluminum-Alumina Composites
Muhammad Hasan Basri, Zikri Arifansyah Djaba, Muhammad Iqbal Ibrahim, Ramang Magga, Yulistiansah, Hidayat Hidayat
Aluminum-alumina composites are solid thermal energy storage (TES) materials characterized by high strength and hardness. Solar water heating system collectors can apply these composites due to their ability to operate at low temperatures. The addition of copper to aluminum-alumina composites is believed...
Proceedings Article
Optimization Of Groundwater Well Debit Capacity Based On Step Drowdown Test To Support The Sustainability Of Groundwater Utilization In Biromaru Area, Sigi District, Central Sulawesi Province
Harly Hamad, Muhammad Aswadi
Groundwater in the Sigi region of Central Sulawesi is used to meet the increasing needs of the community. The limited availability of groundwater caused by the earthquake in 2018 resulted in many wells in the area not produce optimally, while the community relies heavily on well water for the needs of...
Proceedings Article
Comparative Effectiveness of Clay Soil Stabilization Using Lime and MgCl + Cement Combination
Fiisyatin Rodiah, Sriyati Ramadhani
Clay soil stabilization is one of the important efforts in the field of geotechnical engineering to improve soil characteristics, such as strength, bearing capacity, and resistance to damage. This study aims to compare the effectiveness of two clay soil stabilization methods: the lime stabilization and...
Proceedings Article
Investigation of Optimal Tilt Angle to Maximize Solar Panel Performance at Tadulako University
Ratih Mar’atus Sholihah, Irwan Mahmudi, Lutfiyana A. Ansar
One of the applications of solar energy is through Solar Power Plants. Tadulako University is committed to independently implementing a Solar Power Plants. One of the efforts includes utilizing vast land areas as interconnected Solar Power Plants fields, often referred to as on-grid or grid-connected...
Proceedings Article
Characteristic and the Effect of Seawater and Freshwater Soating on AC-WC Mixtures using Coconut Shell Charcoal Filling Material
E. R. Labaso, Syamsul Arifin, Arief Setiawan
Roads in coastal areas often experience problems with sea water inundation, namely the phenomenon of tides and tides that often occur in coastal areas. If seawater seeps into the pavement layer, it will cause the asphalt concrete pavement to become more easily damaged. The aim of this research is to...
Proceedings Article
The Role of Hydrazine Hydrate in rGO to Increasing Electric Current on Dye Sensitized Solar Cell (DSSC) Based Natural Dyes
Rustan Hatib, Khairil Anwar, Muhammad Rismanto, Nur Wahidah Rahmadhani
Dye Sensitized Solar Cell (DSSC) is a solar device that works based on the principle of electrochemistry, where the sensitive dye is absorbed by the TiO2 photoelectrode layer. The disadvantage of this solar DSSC is that it still has low efficiency compared to silicon solar cells. This study investigates...
Proceedings Article
Effective Rainfall Analysis Using the Phi Index Method In the Bangga Watershed
V. W. Andiese, I W. Sutapa, N. B. Rustiati
The Bangga watershed is one of the watersheds located in Sigi Regency, Central Sulawesi Province, with an area of 61.05 km2 and a river length of 20.7 km. In recent years, the Bangga watershed has often experienced flash floods and landslides, causing much damage to settlements, plantations, and other...
Proceedings Article
Improving The Quality of Public Open Spaces in The Palu Bay Area Post Disaster Based on Visitor Perceptions and Preferences
A. Setiawan, A. Akbar Ali, R. Mardin, R. Saleh, Lutfi
The study aims to determine the directions that can be implemented in improving the quality of Public Open Spaces in Palu Bay based on visitor perceptions and preferences so that it is expected to be a consideration in planning and designing to support the creation of quality public open spaces. Data...
Proceedings Article
The Existence and Sustainability of Bunggu Tribe Settlements in West Sulawesi
(Case Study: Kalibamba Hamlet, Bambalamotu District, Pasangkayu Regency)
Zulfitriah Masiming, Fuad Zubaidi, Zubair Butudoka
The Bunggu Tribe is one of the isolated indigenous communities spread across several sub-districts in Pasangkayu Regency, West Sulawesi Province. Their ancestors are believed to have come from the Kaili Tribe, who settled in the Pinembani mountains, Central Sulawesi, then migrated to the hilly areas...
Proceedings Article
Experimental Study on Flow Over Labyrinth Weirs with Rounded Angle
Arody Tanga, Muh. Galib Ishak, Vera Wim Andiese, Yassir Arafat
Compared to linear weirs, labyrinth weir can provide high flow capacity at lower heads achieved through the increase of the spillway length. However, apart from extending the length of the spillway, hydraulic efficiency can also be enhanced through geometric modifications. This experimental study aimed...
Proceedings Article
User Perception Model of Urban Public Transport Service Satisfaction
Taslim Bahar, Mashuri Mashuri, K. Sari Puji Lestari
Public transportation in urban areas plays a crucial role as a key element in economic growth and in realizing an effective, efficient, safe, and comfortable urban transportation system. A good transportation system creates an orderly, sustainable, and environmentally friendly mobility system. In general,...
Proceedings Article
Analysis of Construction Risks of a Hospital Building Project in Palu City
Nirmalawati Nirmalawati, Tutang Muhtar Kamaludin, Andi Asnudin, Defri Defri, Anisa Anisa, Moh Fadli
A study was conducted to examine the level of risk in hospital building projects and identify strategies to minimize these risks in Palu City. The study used the descriptive method and involved 16 respondents who understood construction work risks well. Data analysis used the Severity Index (SI) method....
Proceedings Article
Sea Level Rise Trends Analysis of Tambu Bay
Yassir Arafat, I Gede Tunas, Nur Hidayat
Sea level rise is a real impact of global climate change and can have severe consequences for regional and local ocean hydrodynamics. This study analyzes the trend of sea level rise in Tambu Bay using data from the Geospatial Information Agency (BIG). The existence of sea level data for Tambu Bay obtained...
Proceedings Article
Motorcycle Equivalent Value Using Occupancy Time Method and Speed Method at Unsignalized Intersection in Palu City
Rahmatang Rahman, Muflihatun Nurfadillah Efendi, Siti Nurfajriani, J. Patunrangi
Intersections are public areas where two or more road lanes cross and may experience disagreements or conflicts. Based on observations, the W. Monginsidi street - Tg Manimbaya street intersection is one of the unsignalized intersections that often experiences conflicts when vehicles turn, especially...
Proceedings Article
Analysis of Tunnel Stability: Effect of Tunnel Shape on the Tunnel Deformation of Riam Kiwa Dam
Madania Madania, Hendy Setiawan, Gayatri Indah Marliyani
The diversion tunnel for the Riam Kiwa dam has a D-shaped design. Structural stability analysis is crucial for ensuring the safety of tunnel construction. The purpose of this study is to look into what happens to the Riam Kiwa Dam’s diversion tunnel when the shape of the tunnel changes, including how...
Proceedings Article
Are Direct Left-Turns a Smart Solution for a Sustainable Traffic Future?
Ratnasari Ramlan, Jurair Patunrangi, Muh Kasan, Dini A. Talibu, Oatman Likenono
This study aims to evaluate whether the implementation of a direct left turn (DLT) can serve as an effective solution for sustainable transportation, using a case study at the signalized intersection of Moh. Yamin-Sisingamangaraja in Palu City. The research includes field observations at the Moh. Yamin-Sisingamangaraja...
Proceedings Article
Analysis of Soil Layer Structure Using Geoelectric Method on Tawaeli-Toboli Road Section Km 49+450
Jusna Ningsih, Sriyati Ramadhani, Martini, Hendra Setiawan, Taufik Hidayat, Dhiva Regina Putri
On July 20 2023, a landslide occurred on the Tawaeli-Toboli road section km 49+450. Landslides are influenced by a decrease in soil strength due to increased air content and pore air pressure (increasing air content will reduce soil strength, especially cohesive soil). The aim of this research is to...
Proceedings Article
The Effect of Low Density Polyethylene (LDPE) on The Durability of Ashpalt Concrete Mixtures
Wahida Al Afganing, Arief Setiawan
Indonesia has a tropical climate with high rainfall intensity. The longer the pavement is immersed in water and subjected to repeated loads, the lower the mixture’s durability will be. This research involved the addition of an additive in the form of Low-Density Polyethylene (LDPE) plastic waste using...
Proceedings Article
Dominance of Space Utilization in the City of Palu: A GIS-Based Analysis”
R. Rizkhi, Sri Mulyati, Vivi Novianti, Nur Najibah Amaliani, Mohammad Faisal, Muhammad Ridho Budyaksa
Palu City’s position is very strategic as a center of economic and government growth, so that demand for land use is increasing. Based on data from the Palu City One-Stop Integrated Investment and Licensing Service, from 2022 to 2024, there were 10,508 applications for Compatibility of Space Utilization...
Proceedings Article
The Effect of Heavy Vehicles on Road Damage
Agung Dwi Saputra, Arief Setiawan
Road damage is an important problem in transportation infrastructure that is often caused by heavy vehicle loads that exceed capacity. This study aims to determine the effect of heavy vehicles on road damage using the Pavement Condition Index (PCI) and Benkelman Beam (BB) methods. Road condition assessment...
Proceedings Article
Design of Speed Control on a Prototype Conveyor in the Metal Processing Industry Based on Material Mass
Miranty Miranty, F. A. Ramadhani, Fahrul Fahrul
In the distribution of ore or coal materials in the metal processing industry, there is a target mass of tons/hour in its distribution using a conveyor. However, the mass cannot be predicted based on time because the conveyor operates at a constant speed. This results in the desired mass not being achieved...
Proceedings Article
Waste Management and Processing System Planning at The Faculty of Engineering Tadulako University
Agus Dwijaka, Leonita Aprilia Yusup, M. Marjan, Ida Sri Oktaviana, Astri Rahayu
Waste is one of the problems in the campus environment, especially at the Faculty of Engineering, Tadulako University, along with the increasing number of students every year. This also has an impact on increasing the volume of waste produced and even causes a lot of waste to be scattered and not processed...
Proceedings Article
Automatic Desulfurization System for Desulfurizer Wet Quenching Tower Prototype
Fahrul Fahrul, M. M. Fauzan, A. S. Opu, Miranty Miranty
The nickel mining industry can potentially produce SO2 emissions from nickel smelters. One activity that produces SO2 is mining industry activities that use coal or diesel as fuel. One province with large nickel resources is Central Sulawesi, which is precisely in Morowali Regency, Bahodopi District....
Proceedings Article
Evaluating Criticality of Risk Factors in Disaster Response Operation: An Initial Empirical Evidence
Agung Sutrisno, Vinod Surange, Hayati Mukti Asih, Muhammad Dwisnanto Putro, Ade Yusupa
Becoming one of the countries most prone to the occurrence of natural disasters, determining the most influental risk in emergency response in Indonesia is urgently needed. However, empirical study on determining critical risks in emergency operations within the Indonesian context is vacant and motivating...
Proceedings Article
Analyzing Obstacles to Embracing Digitalization for Sustainable Manufacturing using DEMATEL
Vinod G. Surange, Agung Sutrisno, L. M. Gaikwad, S. N. Teli, Hayati Mukti Asih
Industrial companies are incorporating digital technology into their supply chains to enhance operational efficiency and support sustainable production in the current economic climate of intense competition and instability. This study categorizes key supply chain challenges in digitalization. We employ...
Proceedings Article
Evaluation of The Potential for One-Way Flow in The Terusan Tengah Tidal Irrigation Area
Rezky Dwi Utami, Adam Pamudji Rahardjo, Joko Sujono, Yakubson
Terusan Tengah Tidal Irrigation Area (T3IA) is a potential tidal swamp land and one of the ex-PLGs. The water system uses a fork system with retention ponds. The condition of the water system in T3IA is not functioning optimally. The existence of a channel through the retention-pond to the Kapuas River...
Proceedings Article
The Effect of Blackening Coating on Widia Tool Holder on Corrosion Rate
Eriek Aristya Pradana Putra, Umi Novida Yanti, Angga Tegar Setiawan, J. Muh. Azis Albar, Dewi Purnama Sari
This study examines the effect of the blackening method on the corrosion rate of Widia Tools in seawater and rainwater immersion media. Blackening is a black oxide coating process that aims to protect metal from corrosion and increase wear resistance. The blackening coating procedure goes through the...
Proceedings Article
Local Wisdom and The Exitence of Fisherman Settlements in Ogodeide, Tolitoli District
G. Timbang, M. Bakri, S. Syarifuddin, R. Rikrianto, S. Syaiful, N. Nurwahidah
As a maritime region, the archipelago has great potential for its maritime wealth, especially the fisheries sector, which stimulates the birth of fishing settlements around the waters in the form of houses on stilts with patterns and shapes of houses and supporting facilities adapted to their environment.
...
Proceedings Article
Shoreline Change Prediction of Talise Beach after Palu Earthquake and Tsunami 2018
Andi Rusdin, Setiyawan Setiyawan, Rudi Herman, Anwar Dollu, Estiana Estiana, Fildawati Yuningsi, Fahmi Musbudi, Andi Laskaria
A simulation of shoreline change at Talise Beach in Indonesia has been conducted, with an emphasis on analyzing the impacts of the 2018 Palu Bay tsunami on the rapid coastal morphological change and validating the effectiveness of the GENESIS numerical model in simulating shoreline changes. Indonesia’s...
Proceedings Article
Alternative for Managing ROB Floods at Sirenja Beach with Abrasion Protective Buildings
Amar Amar, Andi Rusdin, Setiyawan Setiyawan, Syamsul Arifin, Wirayuda Trisna, Geby Chintiya, Wahyu Setiaji
As a result of the earthquake that occurred on September 28, 2018, in Donggala Regency, precisely in Sirenja District, Tompe Village, the phenomenon of land subsidence may be the occurrence of land subsidence to cause damage to existing coastal protection infrastructure and the entry of sea tides into...
Proceedings Article
Utilization Of Local Materials In Bajo Tribal Houses As An Effort To Preserve The Environment Of Coastal Settlements And Small Islands
Ahda Mulyati, Muhammad Najib, Isti Nugroho, Cahyani
Natural and local materials play a crucial role in conservation and environmentally friendly building practices, particularly in the construction of Bajo tribal houses along the coasts and small islands of Indonesia. This study investigates the utilization of these materials in Bajo stilt houses, which...
Proceedings Article
Investigating Mechanical Properties of Gypsum Composite Reinforced with Rice Husk Fiber
Naharuddin Naharuddin, Bakri Bakri, Sri Chandrabakty, Muhammad Sadat Hamzah, Anjar Asmara, Novika Paruasan
This paper investigates the mechanical properties of gypsum composite reinforced with rice husk fiber. The composite consists of gypsum as matrix and rice husk fiber (RHF) as reinforcement. The mechanical properties of composite including flexural and compressive strength were investigated with variation...
Proceedings Article
Evaluation of Fly Ash as Cement Subtitution and as Concrete Addition for Sustainable Normal Strength Concrete Mix Design
Rahmani Kadarningsih, Komang Arya Utama, Alpian Katili, Abdul Said Bolota
Many factors influence the strength of concrete, including the quality of the materials and admixtures used, the composition of the materials, the method of manufacture and curing. Therefore to achieve the design strength of concrete, it is necessary to conduct aggregate inspection, use suitable admixtures,...
Proceedings Article
Load-Bearing Capacity Performance of Road Construction using Nickel Slag Waste
Syamsul Arifin, Melianus Salakory, Sundari Sundari, Sari Puji Lestari, Iffah Fadliah, Muflihatun Nurfadillah Efendi
Waste management and utilization are very relevant topics today, especially in the context of environmentally friendly and sustainable road construction. The use of natural aggregates as basic materials for road infrastructure continues to dwindle, so alternative materials are needed, one of which is...
Proceedings Article
Analysis of Biodiesel Implementation to Reduce Exhaust Emissions: Experiments on a Mitsubishi 4-Stroke Diesel Engine
Barokah Barokah, Moejiono Moejiono, Supardi Supardi, Hendra Purnomo, Rahmat Hidayat, Yohan Wibisono
Carbon Monoxide (CO) is an exhaust gas particle that has negative impacts on humans or the environment if it exceeds a certain concentration threshold. In efforts to control the emission concentration threshold, concrete efforts need to be made, including the use of fuels that are more environmentally...
Proceedings Article
Effect of Percentage Fly Ash as a Part Cement Replacement and Curing Temperature to the Strength Development of Self Compacted Concrete (SCC)
Gidion Turuallor, Andi A. Adam, Isra’ M. Yusran, Isti Haryanto, Faisal Faisal
Self-Compacting Concrete (SCC) is an innovative concrete which firstly, developed in Japan. This type of concrete has an ability to flow under its own weight to fill formwork completely and does not require vibration for placing and compaction. This research studies the effects of percentages of fly...