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All Journal Media Teknik Sipil Jurnal Mahasiswa Jurusan Teknik Sipil Journal of Degraded and Mining Lands Management Jurnal Tata Kota dan Daerah Jurnal Teknik Pengairan: Journal of Water Resources Engineering Rekayasa Sipil AGRIVITA, Journal of Agricultural Science Civil and Environmental Science Journal (CIVENSE) Astonjadro
Agus Suharyanto
Department of Civil Engineering, University of Brawijaya
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Environmental Science Social Sciences Transportation

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Journal : Astonjadro

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Implementation of Circular Economy Principles in Building Construction Waste Khiyana, A'izzatul; Suharyanto, Agus; Devia, Yatnanta Padma
ASTONJADRO Vol. 13 No. 1 (2024): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v13i1.14547

Abstract

Building projects often generate significant amounts of waste. This happens because the building projects mostly adopts a linear economic model of “take, make, dispose of”, using materials to the construction of buildings and disposing them at the end of life. This linear economic model only focuses on human activities because the disposal of materials ultimately does not become a sustainable practice in the future. For this reason, an alternative is needed in reducing and processing the construction waste by implementing circular economy principles. This study aims to identify type of construction waste in building project, provide recommendations for handling it with circular economy principles, and calculating the cost savings. The method that used in this study are field observation and interview for collecting data. The result showed that steel reinforcement, ready-mix concrete, light brick, ceramic, multiplex, spun pile, and anchor can be handled with circular economy principles are reduce, reuse, recycle, recovery, and repair. The cost savings from handled it in project A, B, and C are Rp. 68.252.490,65, Rp. 84.182.684,96, and Rp. 31.794.238,51, respectively.
Resource Leveling Optimization Using Different Objective Functions on Building Project Irvania, Artya; Pujiraharjo, Alwafi; Suharyanto, Agus
ASTONJADRO Vol. 13 No. 1 (2024): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

One of the problems that often occur in allocating labor is fluctuations arising from the uneven allocation of labor, so resource leveling optimization is needed to avoid these problems. This study investigates the impact of five objective functions to determine which objective function can produce an efficient labor histogram and determine the effect of resource leveling on changes in labor cost fluctuations based on case studies. The research was conducted using the symbiotic organisms search (SOS) algorithm. The results of this study show that objective function 4 (the minimum amount of the sum of the squared deviations in the use of resources between time intervals) is more effective than other objective functions by producing the most significant average increase in fitness value of 61.64% and can produce a smoother labor allocation histogram compared to other objective functions. Resource leveling also affects cost fluctuations, with a decrease in efficiency of 47%, so that it can improve project implementation efficiency and effectiveness.
Co-Authors A'izzatul Khiyana Achendri M. Kurniawan Achmad Wicaksono Akhriadi, Akhriadi Ali Abdullah, Ali Alwafi Pujiraharjo Anandia, Reza Arief Rachmansyah Beselly Putra, Sebrian Mirdeklis Birka, Ahmam Budi Sugiarto Waluyo Cahya, Utik Tri Wulan Dwi Yanti, Anggi Ayu Eko Andi Suryo Emma Irawati Ery Suhartanto Gholiqul Amrodh Alawy Gustianto, Garindra Harnen Sulistio Hartasantoso, Fakhrul Ibrahim, Tsabita Imania Ilham Adam Admaja Indradi Widjatmiko Indradi Wijatmiko Irvania, Artya Ludfi Djakfar Lutfi Djakfar M. Bisri M. Hamzah Hasyim M. Ruslin Anwar M. Zainul Arifin Muhammad Hafis Adli Rahman, Muhammad Hafis Nuzul Wahyunita R, Nuzul Pamungkas, Harya Panji Saputra, Cita Ahmat Pudjiraharjo, Alwafi Pudyono . Puspa Permanasari Rina Puspita Wahyuningaji, Rina Puspita Rumatarai, Marthina Hermina Waego Hadi Nugroho Wani Hadi Utomo Wicaksono ., Wicaksono Wiguna, Raynaldy Arya Yatnanta Padma Devia Yulvi Zaika