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Arman Setiawan
Universitas Bosowa, Makassar
Agriculture, Biological Sciences & Forestry Arts Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Physics Social Sciences Other

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Journal : Astonjadro

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HIGH STRENGTH CONCRETE USING FLY ASH A CEMENT AND FINE AGGREGATE Bachtiar, Erniati; Setiawan, Arman; Musahir, Fajar
ASTONJADRO Vol. 11 No. 2 (2022): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v11i2.6725

Abstract

At the moment, the cost of concrete is quickly increasing as the cost of cement and aggregates continues to rise. As a result, a replacement for fine aggregate as well as a substitute for cement is required to decrease the cost of concrete production. In general, concrete is composed of cement as a base material that is workable and satisfies specified performance, durability, and strength criteria, aggregate, and water. In the field of engineering constructions, reinforced high-strength concrete has a significant impact on development. Apart from its exceptional strength, this kind of concrete must exhibit workability, minimal shrinkage, release characteristics, and self-compaction. The authors of this research performed a literature review to explore high-quality concrete made using fly ash as a replacement for cement and fine particles. Fly Ash is a waste product or byproduct of the coal-fired power plant's combustion process. Fresh concrete made using fly ash as cement and fine aggregate has an average slump value of 90-200 mm. The compressive strength of concrete made with fly ash ranges between 35 and 60 MPa after a 28-day curing period. The optimal percentage of fly ash in high-strength concrete is between 10% and 30%.
Analysis of Road Damage Using Road Condition Survey Data and Handling Designs (Case Study of the Pasangkayu - Baras Section) Setiawan, Arman; Putu Artawan, I; Yuniarto, Eko; Bachtiar, Erniati; Yudha Alam , Gigih
ASTONJADRO Vol. 13 No. 2 (2024): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v13i2.15409

Abstract

Inventory data and road conditions are the main road network data for measuring and monitoring road network conditions, making predictions of future conditions, and assisting in the strategic decision making process in road network management. This data is also the main data in general road network planning, programming and budgeting, research to evaluate the condition of road pavement to evaluate the condition of road pavement according to the level of damage so that later the budget can be determined. Data collection on road conditions uses a survey vehicle called Mata Garuda (MAGARU). The data obtained from MAGARU is road network data/RNI, pavement condition data/PCI and road unevenness data/IRI. Testing using the Benkelman Beam (BB) tool at 100 m intervals. Collecting traffic enumeration data uses CCTV equipment installed on the road section with an observation period of 7 x 24 hours. The results of the analysis showed that the proposed type of treatment was Preventive with an average value of 3.7, Minor Rehabilitation with an average value of 5.4 and Major Rehabilitation with a value of 8.8. For the PCI survey analysis, Preventive Treatment was obtained with an average value of 87.5, Minor Rehab with an average value of 65.3 and Major Rehab with an average value of 27.5. For the analysis of the deflection survey, a value of > 0.4 was obtained so the treatment was Major Rehab. The CESA4 value is 4,059 x 106 and the CESA5 value is 5,546 x 106. The results of pavement calculations show that Preventive Treatment uses Thin Layer Asphalt Concrete (LTBA), Minor Rehab uses Asphalt Concrete Wearing Course (AC-WC), Major Rehab uses Asphalt Concrete Wearing Course ( AC-WC), Asphalt Concrete Binder Course (AC-BC) and Asphalt Concrete Binder Course Leveling (AC-BC Lev).
Co-Authors Abduh, M. Natsir Adum, Adum Al Anzari, Dedi Arham Alloto'dang, Hizkia Rial Andi Rumpang Yusuf Arif, Muh Panca Zainuddin Asrar Asrar Badrun, Burhanuddin Damayanti, Alilah Saskia Danusaputra, Maraya Delihula, Andi Duhita, Anselma Diksita Prajna Eka Yuniarto Erniati Bachtiar Farida Isroani Faris Jumawan, Faris Fatmawati Rachim Febryansah, Febryansah Fitriani, Lisna Annisa Fudlailah, Pratiwi Gunawan, Andi Candra Haris, Zainal Abidin Herlambang, Andy Hidayat, Andi Sahrul Hijriah, Hijriah Jamil Gunawi Jayanti, Nadya Eka Joni, Yafettt Juniarti, Ana Kristina, Desi Lebang, Fauzy Mappa, Muh Hijrawansa Mayumi, Emilia Meldawati Artayani Muhammad Ihsan Musahir, Fajar Mustaan, Mustaan Natasia, Icha Nganro, Zasqia Ainun Madjidah Nur, Muhammad Alfian Nurdin, Abdul Rahim Olii, Abdul Kadir Sailani Prasetya, Megananda David Puspitasari, Hilda Putu Artawan, I Rahman, Laode Abdul Rahman, Muhammad Junaedy Randan, Yurike Rauf, Wawan Renaldi, Renaldi Z Ridwan Ridwan Ridwan, Ridwan Rino Dwi Laksono Ritnawati Makbul Rizaldo Bagus Dinata Ronaldi, Ronaldi Sakawuna, Wandira Agus Samaa, Rifka Kendek Sariman , Syahrul Sariman, Syahrul Setiawan, Asri Mulya Sikanna, Ferdi Sri Gusty Surya, Andika Syahrul Sariman Syahrul, Syahlendra Syariman, Syahrul Thamrin Abduh Tri Nurhidayah, Tri Wicaksono, Muh. Ramdhan Ainun Yudha Alam , Gigih Yunus, Ahmad Yauri