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All Journal Sinergi Rekayasa Sipil Semesta Teknika Dinamisia: Jurnal Pengabdian Kepada Masyarakat Jurnal Scientia Bulletin of Civil Engineering Jurnal Inovtek Seri Teknik Sipil dan Aplikasi (TekLA)
Bagus Soebandono
Universitas Muhammadiyah Yogyakarta
Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Social Sciences Other

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Journal : Jurnal Scientia

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QUALITY CONTROL ANALYSIS WITH SQC (STATISTICAL QUALITY CONTROL) METHOD ON RAFT FOUNDATION WORK Bagus Soebandono
Jurnal Scientia Vol. 12 No. 03 (2023): Education, Sosial science and Planning technique, 2023 (June-August)
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/scientia.v12i03.1722

Abstract

It is necessary to control the quality of the concrete, so that the concrete specification requirements plan is achieved. The results of quality control research on PT "X"s ready mix concrete products based on SNI 2874-2019 requirements in regarding structural concrete requirements for buildings and explanations, it's found that the concrete produced by PT”X” for the raft foundation casting work on project "Z" can be accepted and qualifies as concrete with a quality of 30 Mpa. Meanwhile, the uniformity analysis using the X and R control charts in the SQC method obtained an uncontrolled process with a process capability value of Cp = 0.601; Cpk = 0.577 <1 this indicates a low process capability, needs to be improved, this process produces many products that do not align to the center line and causing a deviation patterns on the X and R control charts. The deviation pattern indicates that the ready mix product of PT "X"s that used in Project "Z" raft foundation is not uniform, however, the overall concrete quality achieved the technical specification requirements.
Co-Authors Agus Pujiono Anita Rahmawati Aris Susanti As&#039;at Pujianto Budi Waluyo Dwi Riyanto Effendi Yusuf Galih Surya Hergantoro Hakas Prayuda Lilis Tiyani Mandiyo Priyo Taufiq Ilham Maulana Yadi, Seplika