Pengujian Campuran Aluminium Terhadap Beton dengan Pengaplikasian Sebagai Perkerasan Jalan

Wanda, Erwin (2015) Pengujian Campuran Aluminium Terhadap Beton dengan Pengaplikasian Sebagai Perkerasan Jalan. S1 thesis, Universitas Kristen Indonesia.

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Abstract

Campuran Beton dengan penambahan aluminium sebagai serat adalah beton dengan harapan bisa diaplikasikan dalam perkerasan jalan. Penggunaan serat aluminium sebagai bahan tambah pada beton, dimungkinkan akan lebih dapat memiliki kuat tekan dan lentur yang lebih tinggi. Berdasarkan tujuan tersebut, campuran beton normal ditambahkan dengan aluminium yang telah dipotong hingga membentuk serat didalam beton tersebut. Analisis pada pengujian kuat tekan beton didapatkan bahwa dengan penambahan serat aluminium 0,75% dari berat beton normal adalah 27,74 Mpa. Kuat tekan beton normal yang direncanakan 25 MPa tidak sesuai pada pengujian kuat tekan beton normal 21,82 MPa. Hal ini dikarenakan pada pembuatan benda uji beton K300, pengadukan campuran beton harus menggunakan mixer dan tidak dianjurkan untuk pengadukan manual karena beton K300 memiliki nilai slump yang rendah. Namun didalam pelaksanaan mesin pengaduk yang diharapkan mengalami kegagalan teknis sehingga pengadukan dilakukan secara manual. Untuk kuat lentur, toughness dan stiffness memiliki nilai maksimal pada penambahan 1% dari berat beton normal, hal ini sejalan dengan teori “penambahan serat akan menaikkan kuat lentur” Kata kunci : beton serat aluminium, kuat tekan beton, kuat lentur beton. / concrete mix with the addition of aluminum as fibers in concrete is concrete in the hope can be applied in a rigid pavement. The use of aluminum as the material fibers added to concrete, allowing the concrete may have a compressive strength and flexural higher. Based on these objectives, the conventional concrete mixture is added with aluminum that has been cut in the form of fibers. Analysis on concrete compressive strength test showed that the addition of an aluminum fiber of 0.75% by weight of conventional concrete is 27.74 MPa. it is the addition of a maximum fiber. for conventional concrete compressive strength is 25 MPa planned, do not conform to the conventional concrete compressive strength testing because test results only get as big as 21.82 Mpa. This is because in the manufacture of concrete test specimen K300, stirring concrete mix should be using a mixer and is not recommended for manual mixing, because concrete K300 slump has a low value. However in the implementation, mixer experienced technical failure so stirring is done manually. For flexural strength, toughnes, and stiffness has a maximum value at the addition of 1% of the weight of conventional concrete, it is in line with the theory of "the addition of fiber will increase flexural strength" Keywords: aluminum fiber concrete, concrete compressive strength, flexural strength of concrete.

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