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All Journal Jurnal Ilmiah Wahana Pendidikan Scientia: Journal of Multi-Disciplinary Science
Faruk, Fitriyanti
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Religion Agriculture, Biological Sciences & Forestry Education Nursing Social Sciences Other

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Analisis Pengaruh Penambahan 10%, 15% dan 20% Flay Ash Sebagai Bahan Penambah Dalam Pembuatan Batako Menggunakan Mutu Beton K-175 Dengan Variasi Waktu 21 dan 28 Hari Anwar, Akbar; Adjam, Idhar; Faruk, Fitriyanti; Muhammad, Amiruddin Hi.
Jurnal Ilmiah Wahana Pendidikan Vol 11 No 11.C (2025): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

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Abstract

Brick is a building material component used for walls and is made simply from a mixture of Portland cement, sand and water with or without additives. In addition, the manufacture of brick also uses fly ash to improve the quality of the brick. This research was conducted at the Civil Engineering Laboratory of the University of Muhammadiyah North Maluku, the research period was 3 months from November 2024 - January 2025. The data obtained in the field and from the results of the literature are primary and secondary data as follows: 1. Primary data: Field observation data, Interview data, Sampling, Documentation data. Secondary data is data obtained indirectly at the research location which can be through raw data or references obtained from journals or supporting documents related to the research in question. The addition of 10% fly ash has a compressive strength value at the age of 21 days of concrete of 0.35 Mpa and 28 days of 0.36 Mpa. The addition of 15% fly ash has a compressive strength value at the age of 21 days of concrete of 0.29 Mpa and 28 days of 0.28 Mpa. The addition of 20% fly ash has a compressive strength value at the age of 21 days of concrete of 0.27 Mpa and 28 days of 0.21 Mpa. The results of the research conducted showed that the addition of fly ash had no effect on the manufacture of concrete blocks, because the more fly ash used, the smaller the resulting compressive strength so that it did not meet the compressive strength of concrete with K-175 quality. The addition of fly ash with a percentage of 10%, 15% and 20% did not affect the compressive strength of K-175 concrete because the average compressive strength produced at a percentage of 10%, 15% and 20% did not meet the planned compressive strength of 14.50 Mpa.
Assessment of Human Resource and Material Cost Proportions in Building Construction Projects Niapele , Idrus; Muhammad, Amiruddin; Faruk, Fitriyanti
SCIENTIA: Journal of Multi Disciplinary Science Vol. 4 No. 2 (2025): July-December
Publisher : PT. Sangadji Media Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62394/scientia.v4i2.260

Abstract

This study examines the proportional distribution of human resource (HR) and material costs in building construction projects, using the Rectorate Building construction at Nurul Hasan University as a case study. Efficient cost allocation is a critical component of construction project management, as imbalances between labor and material expenditures can lead to budget overruns, schedule delays, and compromised quality. Employing a quantitative descriptive approach, this research analyzes official project documents, including the Bill of Quantities (BoQ) and standardized unit price analyses, to determine the relative contributions of HR and material costs across major work categories. The findings indicate that material expenditures significantly dominate project spending, accounting for 80% of the total direct cost, while HR costs represent only 20%. Work categories such as reinforced concrete, masonry, roofing, and carpentry demonstrate strong material dependency due to the high cost of construction materials such as steel, cement, aggregates, timber, and prefabricated components. In contrast, preparatory and early-stage works show a higher proportion of labor costs, reflecting their reliance on manual activities. The study also evaluates indirect costs and contractor profit margins, revealing that non-resource expenditures constitute 10% of the total project value, and the contractor’s profit margin stands at 9.1%, both of which fall within acceptable industry standards. These results highlight that while material management plays a decisive role in cost efficiency, effective labor allocation and supervision remain essential for ensuring construction quality. Overall, the research offers valuable insights for practitioners seeking to improve cost control strategies in medium-scale building construction projects.
Flexible Pavement Distress Analysis Using the Pavement Condition Index (PCI) Method Rajak, Irsandi A; Altarans , Indra; Faruk, Fitriyanti
SCIENTIA: Journal of Multi Disciplinary Science Vol. 4 No. 2 (2025): July-December
Publisher : PT. Sangadji Media Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62394/scientia.v4i2.261

Abstract

Road infrastructure along the Kalaodi–Fabaharu corridor in Tidore Kepulauan has exhibited varying levels of surface deterioration, highlighting the need for an objective and standardized evaluation to determine appropriate treatment priorities. This study aims to assess the condition of flexible pavement using the Pavement Condition Index (PCI) method while also identifying key factors contributing to the observed damage. Field surveys were conducted on twenty selected road segments to record distress types, severity levels, and the extent of deterioration in accordance with ASTM D6433-11 guidelines. These data were then used to calculate PCI values, enabling the classification of pavement conditions across the study area. The findings show that PCI values range from 15 to 56, with an overall average of 27.48, indicating that the general pavement condition falls within the "Poor" category. The most prevalent distress types identified include alligator cracking, potholes, and raveling, which are primarily associated with inadequate drainage systems, environmental influences such as rainfall and surface runoff, and the lack of routine maintenance, rather than significant traffic loading. These contributing factors collectively accelerate pavement degradation and reduce structural performance over time. Based on the assessment results, the study concludes that the analyzed road corridor requires a phased and prioritized repair strategy. Immediate interventions should focus on patching critical failures and improving drainage performance to prevent further deterioration. Subsequent actions should include periodic rehabilitation for moderately damaged segments and full reconstruction for road sections exhibiting severe structural distress. This systematic approach is essential to restoring pavement functionality and ensuring long-term serviceability of the Kalaodi–Fabaharu road network.
Co-Authors Adjam, Idhar Altarans , Indra Anwar, Akbar Muhammad, Amiruddin Muhammad, Amiruddin Hi. Niapele , Idrus Rajak, Irsandi A