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All Journal Fisitek : Jurnal Ilmu Fisika dan Teknologi
Awan Maghfirah
Departemen Fisika FMIPA Universitas Sumatera Utara
Computer Science & IT Education Physics

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PREPARATION AND CHARACTERIZATION OF POLYMER CONCRETE USING PUMICE AGGREGATE AND COFFEE HUSK FIBER AS A FILLER Awan Maghfirah; Eddy Marlianto; Mulkan Iskandar Nasution; Putri Mila Senda Sitorus
FISITEK: Jurnal Ilmu Fisika dan Teknologi Vol 2, No 2 (2018)
Publisher : Universitas Islam Negeri Sumatera Utara Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (845.169 KB) | DOI: 10.30821/fisitek.v2i2.1806

Abstract

Research has been conducted on the preparation and characterization of polymer concrete with certain compositions of sand, pumice, coffee husk fiber, and epoxy resin to get the best mixing composition. All compositions were processed using a hot press machine at a temperature of 90 °C for 20 minutes. The results showed that polymer concrete with optimum characteristics is produced in the mixing composition of sand, pumice, coffee husk fiber, and epoxy resin of 60:14:6:20 g. In this condition, the density is 1.21 g/cm3, porosity is 8.3%, water absorption is 6.81%, flexural strength is 28.68 MPa, compressive strength is 7.67 MPa, and tensile strength is 3.98 MPa. SEM/EDS analysis shows that the addition of epoxy resin can improve the quality of polymer concrete. Keywords: Coffee husk fiber, epoxy resin, polymer concrete, and pumice.
Co-Authors Eddy Marlianto Mulkan Iskandar Nasution Putri Mila Senda Sitorus