Abstract
ABSTRACTConcrete has a weakness that is having a low tensile strength and brittle so that the concrete is given steel reinforcement to anticipate it. In this study, the concrete mixture was added with dramix steel fiber. This addition was carried out to study and determine the effect of dramix steel fiber on compressive strength, flexural strength on normal quality concrete with the addition of 0%, 10%, 20% and 30% in compressive loads. Compressive strength specimens in the form of cylinders with a diameter of 15 cm and a height of 30 cm and bending strength test specimens in the form of blocks with a length of 60 cm, width of 15 cm and height of 15 cm. Testing is done after 28 days. Concrete with the addition of dramix steel fiber is 30% more capable of producing a higher compressive strength than the others. The addition of dramix steel fiber resulted in an average compressive strength of 0%, 29.07 MPa, 10%, 29.33 MPa, 20%, 29.40 MPa, 30%, 29.58 MPa. For the highest flexural strength of concrete in the 15/15/60 beam sample, that is in the concrete mixture and the addition of dramix steel fiber of 5.44 MPa, it is higher than the addition of reinforcement iron m8, which is 4.96 MPa.Keywords:Dramix Steel Fiber, compressive strength, concrete flexural strength, m8 wiremesh
Highlights
Beton mempunyai kelemahan yaitu mempunyai kuat tarik yang rendah dan bersifat getas sehingga beton diberi tulangan baja untuk mengantisipasinya
the concrete mixture was added with dramatic steel fiber
Concrete with the addition of 30% dramatic steel fiber is more capable of producing high compressive strength values than others
Summary
Pemakaian beton sebagai bahan konstruksi telah lama dikenal dan paling umum dipakai baik untuk struktur besar maupun kecil[1][2]. Kuat tarik yang rendah ini dapat diatasi dengan pemakaian baja tulangan. Dalam penelitian Soroushian & Bayasi (1987), kuat tarik pada beton dapat ditingkatkan dengan cara penambahan serat-serat pada adukan beton agar retak-retak yang mungkin terjadi akibat tegangan tarik pada daerah beton Tarik dapat ditahan oleh serat-serat tambahan ini, sehingga kuat tarik beton serat dapat lebih tinggi disbanding kuat Tarik beton biasa[15][16]. Seiring berjalan nya waktu penelitian dengan bahan utama beton terus mengalami kemajuan, dengan penambahan bahan material tertentu contohnya serat baja agar bisa mencapai kekuatan yang sesuai keinginan dan lebih efisien.
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