Perbandingan Penambahan Serat Baja Dramix 3D dan Polymer Kratos Microfiber Terhadap Sifat Mekanik Beton
DOI:
https://doi.org/10.51903/m1x0xv65Kata Kunci:
Fiber Concrete, Dramix 3D, Kratos Microfiber, Compressive Strength, Split Tensile StrengthAbstrak
Conventional concrete suffers from low tensile strength. This study experimentally investigates the effect of adding two fiber types Dramix 3D steel and Kratos Microfiber polymer on the compressive and split tensile strength of 20 MPa concrete. Cylindrical specimens were prepared, including plain concrete and mixes with each fiber at dosages of 0.45% and 1.25%. Tests at 28 days showed that Dramix 3D fibers enhanced both properties, with optimal improvements of 6.10% in compressive strength and 5.12% in split tensile strength at the 1.25% dosage. Conversely, Kratos Microfiber reduced both strengths, with maximum decreases of 15.05% (compressive) and 17.89% (split tensile) at 1.25%. It is concluded that Dramix 3D steel fiber is effective as supplementary reinforcement, while the use of Kratos Microfiber requires further investigation to determine its optimal proportion. These findings are crucial for material selection in improving concrete's structural performance.
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