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Gusty, Sri
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MODEL TARIKAN PERGERAKAN TRANSPORTASI PADA PASAR LAKESSI KOTA PAREPARE TRADISIONAL Anugrah, Anugrah; Gusty, Sri; Desi, Natsar
Semnas Ristek (Seminar Nasional Riset dan Inovasi Teknologi) Vol 7, No 1 (2023): SEMNAS RISTEK 2023
Publisher : Universitas Indraprasta PGRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30998/semnasristek.v7i1.6412

Abstract

Evaluasi Efektifitas Bus Rapid Transit (BRT) Mamminasata sebagai Transportasi Massal Berdasarkan Permenhub RI No. PM 15 Tahun 2019 Rachman, David Sumantri; Indrayani, Poppy; Gusty, Sri; Desi, Natsar
Jurnal Teknik Sipil MACCA Vol. 10 No. 1 (2025): Jurnal Teknik Sipil MACCA (FEBRUARI 2025)
Publisher : Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/t3j6j703

Abstract

Kementerian Perhubungan RI meluncurkan program angkutan massal di kawasan perkotaan berbasis jalan, bernama Bus Rapid Transit (BRT) yang tertuang dalam Peraturan Menteri Perhubungan Republik Indonesia No. PM 15 Tahun 2019. Pada tahun 2021 dimulailah penerapan program angkutan umum massal berbasis jalan di wilayah perkotaan dengan nama BRT Mamminasata (Teman Bus) di Kota Makassar. Keberadaan BRT Mamminasata di tengah-tengah padatnya kendaraan di Kota Makassar peneliti merasa tertarik pada bagaimana efektifitas dalam implemetasi program BRT selama waktu pengoperasiannya. Tujuan dari penelitian ini adalah untuk menganalisis tingkat efektifitas BRT Mamminasata sebagai transportasi massal di Kota Makassar. Metode yang digunakan yang digunakan adalah pendekatan kualitatif dengan tambahan pendekatan kuantitatif dengan metode skala likert untuk menganalisis kuesioner, yang dimana data-data yang dibutuhkan berasal dari data primer dan data sekunder. Hasil penelitian menunjukkan bahwa BRT Mamminasata hingga saat ini belum mencapai efektifitasnya disebabkan beberapa hal mulai dari keterbatasan unit yang ada, lajur yang belum tersedia secara mandiri, halte yang kurang memadai, belum adanya integrasi dengan angkutan penumpang, serta aplikasi yang masih terbatas kegunaannya.
Environmental Sustainability of Nickel Waste Utilization in Porous Asphalt: Toward Green and Circular Road Infrastructure Fatmeriany, Fatmeriany; Desi, Natsar; Chaerul, Muhammad; Harun, A. Muh. Yusuf; Erniati, Erniati; Marzuki, Ismail; Gusty, Sri
Journal La Lifesci Vol. 6 No. 4 (2025): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v6i4.2661

Abstract

The rapid growth of road infrastructure in Indonesia has increased the demand of construction materials and at the same time, intensified environmental issues. The study explores the potential application of nickel waste- which is a byproduct readily available to Indonesia in the smelting of nickel- as a partial replacement to coarse aggregate in porous asphalt mixtures. The research not only assesses the technical performance but also the environmental impact of the nickel waste substitution which can be regarded as a contribution to the literature on sustainable management of the construction process and the circular economy. Key parameters such as stability, flow, void content and the Marshall Quotient were tested in the laboratory and were evaluated as per the Bina Marga and SNI requirements. The results refer to the fact that nickel waste may meet a number of technical requirements, reaching an ideal concentration of asphalt into 5.5 0-100 that, at the same time, can provide waste minimization and possible cost-saving benefits. However, due to the fact that nickel slag contains heavy metals, it requires the use of strong environmental risk management, such as leaching control and stabilization technologies. These findings indicate that the use of nickel waste is more than a technical innovation; it is a strategic direction of the ability to become resource-efficient, symbiotic in the industrial industry, and to govern the operation of infrastructure in a sustainable manner. Placing industrial waste in a new category as productive input, this research sheds some light on how policy can be changed, how to innovate in procurements, and how government, industry, and academia can collaborate. The study concludes that the addition of nickel waste to the porous asphalt mixtures could help improve the performance of roads, reduce environmental ecological impacts, and promote the green infrastructure agenda in Indonesia, assuming that there are regulatory protections and a systematic environmental check-up.
ANALISIS PEMANFAATAN FLY ASH SEBAGAI FILLER TERHADAP KINERJA CAMPURAN ASPAL BERONGGA MENGGUNAKAN SPESIFIKASI ( ROAD ENGGINERING ASSOSIATION OF MALAYSIA) REAM ASH Lismawati, Lismawati; Desi, Natsar; Bachtiar, Erniati; Chaeruel, M; Muh Yusuf Harun, A; Mahmud, Mahmud; Gusty, Sri
Selodang Mayang: Jurnal Ilmiah Badan Perencanaan Pembangunan Daerah Kabupaten Indragiri Hilir Vol. 11 No. 3 (2025): Jurnal Selodang Mayang
Publisher : Badan Perencanaan Pembangunan Daerah Kabupaten Indragiri Hilir Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47521/selodangmayang.v11i3.485

Abstract

The growth in the number of motor vehicles and high rainfall intensity increases the risk of water ponding on roads, thereby requiring pavement construction that is both safe and has good drainage capability. Porous asphalt is one solution; however, it tends to have lower structural stability due to its low filler content. Fly ash is a fine particle deposit resulting from coal combustion residue. This study examines the utilization of fly ash waste from the Nusantara Power Punagaya coal-fired power plant in Jeneponto as a filler substitute in porous asphalt mixtures based on REAM 2008. The aim is to evaluate the effect of fly ash variations (0%, 50%, 100%) on Marshall stability, abrasion resistance (Cantabro), and the microstructure of the mixture. Experimental methods were carried out in the laboratory, including testing the physical properties of aggregates and the chemical composition of fly ash, mix design, and SEM-EDS analysis. The results show that the use of fly ash meets the specifications for VIM, VMA, stability, flow, and Marshall Quotient (MQ), except for VFB, which did not meet the specifications for all variations. Cantabro weight loss values were 8.53% (0%), 10.27% (50%), and 9.77% (100%). SEM-EDS analysis revealed that fly ash particles bond well with asphalt, with dominant elements C (45.38%) and Si (33.84%), along with the formation of a new carbon (C). These findings indicate the potential of fly ash as an environmentally friendly filler to improve porous asphalt performance. Pertumbuhan jumlah kendaraan bermotor dan intensitas curah hujan yang tinggi meningkatkan risiko genangan air di jalan, sehingga diperlukan konstruksi perkerasan yang aman dan memiliki kemampuan drainase baik. Aspal berongga (porous asphalt) menjadi salah satu solusi, namun cenderung kurang stabil secara struktural akibat rendahnya kadar filler. Fly ash adalah partikel halus yang merupakan endapan dari tumpukan bubuk. Penelitian ini mengkaji pemanfaatan limbah fly ash dari PLTU Nusantara Power Punagaya, Jeneponto, sebagai pengganti filler dalam campuran aspal berongga sesuai spesifikasi REAM 2008. Penelitian ini untuk mengevaluasi pengaruh variasi fly ash (0%, 50%, 100%) terhadap stabilitas Marshall, ketahanan aus (Cantabro), serta mikrostruktur campuran. Metode eksperimen dilakukan di laboratorium dengan pengujian sifat fisik agregat dan kimia fly ash, desain campuran, serta uji SEM-EDS. Hasil menunjukkan bahwa penggunaan fly ash mampu memenuhi spesifikasi pada parameter VIM, VMA, stabilitas, flow, dan Marshall Quotient (MQ), kecuali VFB yang tidak terpenuhi pada semua variasi. Nilai kehilangan berat Cantabro masing-masing sebesar 8,53% (0%), 10,27% (50%), dan 9,77% (100%). Analisis SEM-EDS mengungkap bahwa partikel fly ash berikatan baik dengan aspal, serta terdapat unsur dominan C (45,38%) dan Si (33,84%), dengan pembentukan senyawa baru karbon (C). Temuan ini menunjukkan potensi fly ash sebagai filler ramah lingkungan untuk meningkatkan kinerja aspal berongga.
Sediment Characteristics of Iron Ore Waste on the Surface of Settling Ponds K., Agus Prabowo; Gusty, Sri; Desy, Natsar
ASTONJADRO Vol. 14 No. 4 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i4.18944

Abstract

The Iron Ore Refining Industry in North Maluku, There is waste generated from the iron ore refining or extraction process that is deposited into a settling pond or shelter with a capacity of about 3 million cubic meters that is no longer in operation, This study describes the characteristics of iron ore waste sediments on the surface of the settling pond, with laboratory methods, namely testing physical properties based on SNI references for aggregate materials and identifying chemical compound elements with EDS. The physical characteristics of waste sediments have absorption of 3.20%, surface dry specific gravity of 3.11 gr/cc, sand equivalent of 94.4%, Modulus of Smoothness of 2.78 and Mud Content of 6.40% while for the content of chemical compounds contained in iron ore waste sediments based on the molar percentage of oxides, the highest is Iron oxide (FeO) of 70.08% then below that there is Silicon dioxide SiO2) of 18.29%.
Microstructure of Asphalt Mixtures Using Empty Palm Oil Bunch Waste as Filler Based on Road Engineering Association of Malaysia (Ream) Specifications Muslika, Muslika; Gusty, Sri; Chaerul, Muhammad
ASTONJADRO Vol. 14 No. 4 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i4.18946

Abstract

Performance of Hollow Asphalt Mixtures Using Empty Palm Oil Bunches Waste Based on Road Engineering Association of Malaysia (Ream) Specifications. One of the road pavement technologies currently being developed is porous asphalt. One of the materials used in flexible pavement mixtures is filler, one of which is ash. stone, which is in limited supply and relatively expensive. One alternative solution is to use empty oil palm fruit bunches. waste as an alternative material in the asphalt mixture. The aim of this research is what is the microstructure of asphalt mixtures that use empty oil palm fruit bunches as filler. This research uses the specifications of the Road Engineering Association of Malaysia (REAM, 2008). From the results of the research carried out, it can be concluded that the use of stone ash filler from empty palm fruit fruit bunches in hollow asphalt mixtures with variations of 2.5%, 5% and 7.5% shows that the granules are dense with voids that cover each other with varying sizes. This is in line with the stability value obtained from the Marshall test. Which has increased due to interlocking of interlocking grains. Meanwhile, from the EDS test results on the composition of chemical elements, it is known that the element contained in the hollow asphalt sample mixed with ash from burning empty oil palm fruit bunches with the highest compound composition is the element Boron at 66.55%, which is different from the chemical composition test for burning ash from bunch waste. The highest compound composition based on atomic percentage is Potassium (K) at 31.6%.
The Effect of Using Iron Ore Sediment Waste as a Substitute for Fine Aggregate on Concrete Characteristics Idrus, Muhammad; Gusty, Sri; Chaerul, Muhammad
ASTONJADRO Vol. 14 No. 4 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i4.18963

Abstract

Concrete is the main material in infrastructure development throughout the world. Its high mechanical strength and durability make it the main choice in various construction applications, from roads to high-rise buildings. However, behind its benefits, concrete production also triggers serious environmental problems. Natural aggregates such as river sand are used on a large scale. One of the materials that can be used as a substitute for fine aggregate is iron ore sediment waste. This study aimed to analyze the characteristics of fresh concrete using iron ore sediment waste as a substitute for fine aggregate using experimental methods. This study aimed to analyze the characteristics of fresh concrete using iron ore sediment waste as a substitute for fine aggregate using experimental methods. From the results of testing iron ore sediment waste aggregates such as the characteristics of iron ore sediment waste aggregates, 71% met the requirements as a material for making concrete, except for the mud content and organic content so special treatment is needed, namely the iron ore sediment waste material must be washed clean before use. The characteristics of iron ore sediment waste concrete have requirements from the average slump test value of 9 cm and there is no segregation and bleeding in the fresh concrete mixture.
Thermal Comfort Level Analysis to Support Energy Efficiency Based on Building Information Modeling (BIM) (Case Study of Fajar University Postgraduate Building) Wahyuningsih, Sri; Gusty, Sri; Chaerul, Muhammad
ASTONJADRO Vol. 14 No. 4 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i4.19052

Abstract

Indonesia faces significant challenges regarding energy consumption in the building sector, which continues to rise alongside urbanization and economic growth. Energy use in commercial buildings, particularly office and educational facilities, significantly contributes to the national total energy consumption, with HVAC (Heating, Ventilation, and Air Conditioning) systems being a major component of building energy consumption. By modeling HVAC systems, natural lighting, and thermal insulation, Building Information Modeling (BIM) can help optimize energy usage and reduce operational costs in buildings. However, despite the proven benefits of BIM in energy analysis and thermal comfort, challenges remain in its implementation. Many construction projects still rely on traditional methods that are less effective in integrating data and analysis. Additionally, a lack of understanding about BIM usage among construction professionals also hinders the achievement of optimal energy efficiency.
Analysis of the Use of Palm Shells as a Substitute for Fine Aggregate on the Water Absorption of Concrete Iswady, Iswady; Gusty, Sri; Chaerul, Muhammad
ASTONJADRO Vol. 14 No. 4 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i4.19091

Abstract

Concrete, as one of the main elements in construction, has received special attention and is commonly used in infrastructure development in various countries in the world. High-quality concrete is increasingly needed along with the increasing need for infrastructure, such as towers, high-rise buildings, and long-span bridges. This type of concrete is made with a low amount of FAS; FAS or water-to-cementitious ratio is the ratio of the total weight of water to the total weight of cement in the concrete mixture. The purpose of this study is to analyze the water absorption of concrete using palm shells as a substitute for fine aggregate using an experimental method by curing. From the results of testing palm shells such as the water absorption value which is directly proportional to the increasing percentage of CKS use as a substitute for fine aggregate, it show that the use of CKS as a substitute for fine aggregate in normal concrete increases the water absorption of concrete, the higher the percentage of palm shell substitution, the higher the percentage of absorption value obtained.
Evaluation of Railway Infrastructure on Track Quality Index (TQI) Based Track Quality (Cross of Mandai - Garongkong) 2024 Wibowo, Arief Hadi; Desy, Natsar; Gusty, Sri
ASTONJADRO Vol. 15 No. 1 (2026): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v15i1.19642

Abstract

Infrastructure quality greatly affects the speed, comfort, and safety of train travel. High speed can cause damage to the railroad track which can cause a decrease in the TQI value and increase the risk of train accidents. This study aims to analyze the factors influencing train speed, analyze the speed of railway facilities on track quality based on Track Quality Index, and analyze optimization strategies to keep the Track Quality Index (TQI) within the operating speed threshold in 2024. The method used in this research is mix method. The results showed that the factors affecting train speed across Mandai-Garongkong are the condition of the rail line and Track Quality Index (TQI), track geometry and rail infrastructure, characteristics of rolling stock, external environment, and operational management and speed regulation, so that the optimization strategy needed to enable optimal operational speed is the implementation of preventive and corrective maintenance strategies, real-time TQI monitoring with observation technology, and operational management based on observation results. Based on the calculation of the Track Quality Index (TQI) value on each track plot, it is found that the average TQI value is above 10, while the average operational speed is above 30 km/h, although the average TQI value is above 10, the operational speed can still be maintained above 30 km/h. It is recommended to immediately bring in facilities with speeds capable of maximizing the existing TQI value on the South Sulawesi crossing.
Co-Authors Abu, Arman Amir Mahmud Anugrah, Anugrah Arief Hadi Wibowo, Arief Hadi Artawan, I Putu Arwansyah Arwansyah Ashraf, Ashraf Asmeati Asmeati, Asmeati Batara, Chris Chaeruel, M Desi, Natsar Desy, Natsar Erniati Bachtiar Erniati Erniati Fatmeriany, Fatmeriany Firdaus Fidaus Firdaus Firdaus Harun, A. Muh. Yusuf Hasibuan, Parlindungan Ismail Marzuki Iswady, Iswady K., Agus Prabowo Lismawati, Lismawati Londongsalu, Jefryanto M. Iqbal Mahmud Mahmud Miftakhul Huda Muh. Chaerul, Muh. Muhammad Chaerul Muhammad Idrus Muslika, Muslika Musma, Saddam Nur Khaerat Nur, Nur Khaerat Nurdyansyah, Haris Pakki, Ibrahim POPPY INDRAYANI, POPPY Puspitarini, Made Dianing Putri, Herwina Rahayu Putri, Mutiara Mentari Rachim, Yunus Rachman, David Sumantri Rasmita, Riza Ritnawaty, Ritnawaty Sinardi, Sinardi Sukamto, Ika Sumiyarsi sulkarnain, sulkarnain Syafar, A.Muhammad Syarifudin, Erick Wahyuningsih A., Sri Waris, Milawaty Wintari, Ni Kadek