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All Journal Jurnal Teknika : Jurnal Teoritis dan Terapan Bidang Keteknikan Serambi Engineering
Apria Brita Pandohop Gawei
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering

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Journal : Serambi Engineering

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Analisis Penjadwalan Proyek Menggunakan Metode Repetitive Scheduling Method (RSM) Amiano, Stevan Febrian; Apria Brita Pandohop Gawei; Dewantoro; Veronika Happy Puspasari; Almuntofa Purwantoro
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Effective scheduling is a key factor in the success of construction projects. The Repetitive Scheduling Method (RSM) is a scheduling method designed for projects with repetitive activities, such as housing developments, high-rise buildings, highways, or bridges. This study aims to analyze the application of the RSM method in the Menteng VIII Housing Project in Palangka Raya. By comparing the project duration and cost before and after the implementation of RSM, this study found that the project duration could be reduced by 33.33%, from 231 days to 154 days, resulting in a total labor cost savings of IDR 15,700,000 per housing unit. These results demonstrate the effectiveness of RSM in improving time and cost efficiency in construction projects. The study also emphasizes that RSM reduces workers' idle time, increases productivity, and maintains work continuity. The application of RSM in this project is expected to serve as a reference for construction project managers in selecting a more optimal and efficient scheduling method. Thus, RSM can be one of the best alternatives in scheduling projects with repetitive work patterns.
Analisis Uji Kuat Tekan Beton Dengan Perendaman Air dari Daerah Gambut Apria Brita Pandohop Gawei; Okta Meilawaty; Stephanus Alexsander; Alphario Raymond
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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The quality of concrete is greatly influenced by the compressive strength obtained after mixing and curing the test specimens. One important factor in making concrete is the quality of the water used, including its acidity level (pH). Water from peat areas, although abundant, generally has a pH below 7, thus affecting the quality of concrete. This study uses a quantitative descriptive approach to determine the effect of low pH water (5.51) as curing water on the compressive strength of concrete with a planned quality of 23 Mpa. Concrete curing was carried out and tested at the ages of 7, 28, and 90 days. The results show that the average compressive strength of concrete at the age of 7 days obtained a compressive strength of 11.0 Mpa, at the age of 28 days the average increased significantly to 18.4 Mpa, but decreased at the age of 90 days with an average compressive strength of 14.1 Mpa. These findings confirm that the use of water with a low pH as a curing water can also significantly reduce the quality of concrete, so special attention is needed in the selection of water used.
Co-Authors Almuntofa Purwantoro Alphario Raymond Amiano, Stevan Febrian Devry Yulianssy Dewantoro Jagat Perkasa Kembaren Lendra Louisa Gusni Maygrecia Okta Meilawaty Refki Maulana Renaldy Giovani Wicaksono Stephanus Alexsander Subrata Aditama K.A.Uda Veronika Happy Puspasari Vieneser Victory Marbun