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All Journal Abdi Masyarakat Juranal Handasah J-ENSITEC (Journal of Engineering and Sustainable Technology) Handasah

Juanita Juanita

Fakultas Teknik Universitas Islam Al-Azhar

Author-ID : 5658643

Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Other

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PENINGKATAN NILAI KUAT TEKAN DAN PERBAIKAN RETAK-RETAK PADA BETON DENGAN MENGGUNAKAN FIBER KAWAT BENDRAT BENTUK “Z” DENGAN 3 (TIGA) VARIASI CAMPURAN: Indonesia Juanita Juanita
J-ENSITEC Vol. 8 No. 01 (2021): December 2021
Publisher : Universitas Majalengka

Concrete is the main basic material used for the planning and design of widely used structures. This is because concrete has a very high compressive strength value when compared to other materials. However, concrete also has weaknesses, one of which is its brittle nature. Therefore, in this study, the use of Z-shaped bendrat wire will be carried out to increase the value of the compressive strength of concrete while improving the brittle nature of the concrete.In this study, bendrat wire fiber in the form of Z was used with a mixed variation of 0.5%, 0.75% and 1%. The number of test objects made is 12 pieces. The test was carried out when the specimen was 28 days old by using a Compression Testing Machine (CTM). From the results of the study, the average compressive strength value for normal concrete (SN) was 26.46 MPa, for Z-shaped bendrat wire fiber concrete with a mixed variation of 0.5% (SF1) the average compressive strength value was 27.27 MPa, for fiber concrete bendrat wire Z shape with a mixed variation of 0.75% (SF2) the average compressive strength value is 28.03 MPa, and for fiber concrete wire bendrat Z shape with a mixed variation of 1% (SF3) the average compressive strength value is 28.21 MPa. The more Z-shaped bendrat wire fibers added to the concrete mix, the higher the compressive strength value and the smaller the cracks that occur in the concrete.

PENINGKATAN NILAI KUAT GESER BETON DENGAN MENGGUNAKAN FIBER LOKAL KAWAT BENDRAT BENTUK “U” DAN “Z” DENGAN 3 VARIASI CAMPURAN: indonesia Juanita Juanita
J-ENSITEC Vol. 8 No. 02 (2022): May 2022
Publisher : Universitas Majalengka

Concrete is the main basic material used for planning and designing building structures and is widely used as a building material. One of the efforts to improve the unfavorable properties of the concrete in this case is to add bendrat wire fiber to the concrete mix. In this study, bendrat wire fibers in the shape of "U" and "Z" were used with variations in the addition of fiber in the concrete mix of 0.5%, 0.75% and 1% of the cement weight. The bendrat wire used has a length of 60 mm and a diameter of 1 mm. The test specimens were made in the form of a double-L beam with dimensions (200 x 150 x 300) mm as many as 21 pieces. Double-L beam testing was carried out at the age of 28 days using a Compression Testing Machine (CTM). From the results of the research, the highest shear strength of concrete was obtained in "U" shape bentrat wire fiber concrete with 1% bendrat wire percentage (BF3) with an average value of 6.00 MPa or an increase in concrete shear strength of 46.33% compared to Normal Concrete (BN). The value of the shear strength of the double-L beam with "U" shape bendrat wire fiber is higher than the value of the double-L shear strength beam with "Z" shape bendrat wire fiber although the difference in the shear strength value is not too significant. The addition of "U" and "Z" bentrat wire fibers can reduce cracks in the concrete.

Co-Authors ahmad Dhiafah Hera Darayani Dimas Renjani Putra Jauhari Prasetiawan Musmiratul Uyun Surya Hadi

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