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All Journal JURNAL ILMIAH MEDIA ENGINEERING Bangunan Borneo Engineering: Jurnal Teknik Sipil Jurnal Abdi Insani Jurnal Teknik Sipil Terapan International Journal of Business and Applied Economics (IJBAE) Seminar Nasional Produk Terapan Unggulan Vokasi Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan Serambi Engineering
Peginusa, Stefani Switly
Politeknik Negeri Manado
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Journal : Serambi Engineering

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Pengaruh Gradasi Pasir Terhadap Kekuatan Tekan dan Penyerapan Paving Blok Geopolimer Sandri L. Sengkey; Geertje E. Kandiyoh; Stefani S. Peginusa; Dwars Soukotta
Jurnal Serambi Engineering Vol. 9 No. 2 (2024): April 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The quality of paving blocks is greatly influenced by many factors, one of which is sand as the constituent material. Sand has various types and different gradations based on grain size distribution. This difference in sand gradation is the focus of research to determine the effect of sand gradation on the compressive strength and absorption of geopolymer paving blocks made from fly ash. The geopolymer block paving mixture is made with a composition of 10M NaOH, a Na2SiO3/NaOH ratio of 2.5, an alkali activator/FA solution ratio of 0.4 and curing at ambient temperature. The test results show the influence of sand gradation on compressive strength and absorption. The highest compressive strength and lowest absorption values were obtained in the Z3-BP and Z2-AB mixtures. There is a relationship between compressive strength and absorption. The smaller the paving absorption value, the greater the compressive strength.
Optimalisasi Sumber Daya Tenaga Kerja Proyek Pembangunan Hotel Amaris Manado Dengan Metode Resource Leveling Peginusa, Stefani Switly; Cyntha Tendean; Arnetha S. Raintung
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Construction projects inevitably encounter challenges related to time, labor, cost, and materials. If these issues aren't addressed promptly and effectively, new problems inevitably arise, such as delays in work duration, inefficient labor distribution, and delays in equipment and materials. The construction of the Amaris Hotel in Manado encountered significant challenges, particularly in structural work. A clear imbalance in labor allocation was identified, where the availability of labor in the field did not align with the project's needs. This discrepancy was exposed through unit price analysis of daily reports. This study aims to optimize human resources using the Resource Leveling method with Microsoft Project 2021 Software, addressing the ground floor structure to the roof floor. The results of the analysis showed that the duration of time required after the analysis did not change, namely 303 days. The study also determined the number of effective workers: 63 laborers, 34 builders, 3 foremen, and 3 building foremen.
Co-Authors Achmad Noerkhaerin Putra Angel Vania Warouw Antonio Vincentio Rafael Pantouw Arief Perdana Kumaat Arnetha Sari Raintung Corneles, Marceline Cyntha Tendean Debby Willar, Debby Dian Puspita Sari Dian Puspita Sari Diva Verlita Kamuh Dwars Soukotta Estrellita V. Y. Waney Exan, Gabriella C Fabian J. Manoppo Geertje Efraty Kandiyoh Kalsum Rifana Suhani Kandiyoh, Geertje E. Kandiyoh, Geertje Efraty Landeng, Kevin D Makalew, Andreas Mewo, Jesia Magdalena Moningka, Olivia Mycle Wala Novia Tamasiro Paendong, Melky K. E. Pantouw, Antonio V. R. Paramata, Gusnirania Pribadi, Richmon A Priyono Priyono Putri Marza Nabila Anuna Rasjid, Irgi S Rondonuwu, Yosua G. C. Rondonuwu, Yosua Gilberth Cristovel Rumbayan, Rilya Sahoa, Riandy Sandri Linna Sengkey Supit, Teve W. M. Supit, Vekky Sylviana Pelealu Tutu, Trifena H Victor Mundui Walelang, Christian Dennis Watugigir, Novia