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All Journal JPSE (Journal of Physical Science and Engineering)
Yudea Sisti Kurniadevi
Construction Engineering and Management Research Group, Faculty of Civil and Environmental Engineering, Institut Teknologi Bandung
Astronomy Electrical & Electronics Engineering Materials Science & Nanotechnology Physics

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Comparative Study on Mechanical Properties of Waste Composite Materials for Bricks Application Siswanti Zuraida; Andrie Harmaji; Sastita Pratiwi; Xevna De Elshinta Arellsya Ruitan; Astrid Nadya Anggraini; Yudea Sisti Kurniadevi; Bart Julien Dewancker
JPSE (Journal of Physical Science and Engineering) Vol 7, No 2 (2022): JPSE (Journal of Physical Science and Engineering)
Publisher : Universitas Negeri Malang

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Abstract

This study discusses mechanical properties and analysis of composite materials to develop building bricks for structural lightweight concrete replacement applications made from three different waste materials, i.e. sawdust, polyethylene terephthalate (PET) plastic bottle, and used diaper. All waste materials are used to mixture composite, as cement replacement, with a mixture of 0, 5, 10, 15, and 20 percent of the total weight. This study uses a quantitative method with the sample used as cylindrical tube with 20 mm of diameter and 40 mm of height. Tests were carried out in the form of compressive and specific gravity tests to determine the mechanical and physical properties of the composite material. The use of waste materials as mixtures for composite manufacture with a water per cement ratio of 0.4 at the age of 28 days results in the best compressive strength of 20.70 MPa (5 percent of sawdust), 33.04 MPa (5 percent of PET), and 18.05 MPa (5 percent of used diaper). The density value shows that the addition of waste materials tends to decrease the weight of the composite result. Based on these results, it can be concluded that the use of waste composite materials is a potential replacement for lightweight structural concrete as an effort to reduce the cement requirement for building material applications.DOI: 10.17977/um024v7i22022p092
Co-Authors Andrie Harmaji Astrid Nadya Anggraini Bart Julien Dewancker Sastita Pratiwi Siswanti Zuraida Xevna De Elshinta Arellsya Ruitan