PENGARUH KUAT TEKAN BETON NORMAL TERHADAP SILICA FUME SEBAGAI PENGGANTI SEBAGIAN SEMEN

AZHAR, SHAFY MUHAMMAD (2021) PENGARUH KUAT TEKAN BETON NORMAL TERHADAP SILICA FUME SEBAGAI PENGGANTI SEBAGIAN SEMEN. S1 thesis, Universitas Mercu Buana Jakarta.

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Abstract

In life in the industrial era or commonly called the 4.0 era, the construction material, namely concrete, is one of the building materials that are still very rapidly developing and is used in current development. The development of innovation in the field of concrete material technology, one of which is to improve the characteristics of concrete which can be done by adding certain materials in the form of admixture or addictive into the concrete mixture. One of the additional ingredients is silica fume which functions as a filler between the cavities that cannot be occupied by cement because the shape is much smoother than cement. So that the addition of silica fume into the concrete mixture with a certain level can distribute the porosity of the concrete to be smaller. This study aims to determine the effectiveness of the amount of silica fume in concrete. Mix Design uses the SNI 2656 – 2012 method for concrete quality f'c 30 MPa with 72 samples of specimens. Using cylindrical formwork 15 cm x 30 cm with a substitution percentage of 0%, 5%, 10%, 15%, 25%, 50%, 75% and 100% of the total cement. From the results of the research test, it was found that the optimum concrete mixture was at a variation of 10% cement substitution with a value of 33.37 MPa, and decreased in the percentage thereafter to 75%. The 100% variable cannot be taken or declared failed because the content in it is different from cement Keywords : Concrete, compressive strength, Silica Fume, Pada kehidupan di era industrial atau biasa disebut era 4.0 ini bahan untuk konstruksi yaitu beton menjadi salah satu bahan bangunan yang masih sangat pesat perkembangan dan pengunaannya pada pembangunan sekarang ini. Pengembangan inovasi dibidang teknologi material beton yaitu salah satunya adalah memperbaiki karakteristik beton, yaitu dapat dilakukan dengan penambahan bahan tertentu berupa admixture atau addictive ke dalam campuran beton. Salah satu bahan tambahannya yaitu silica fume yang berfungsi sebagai pengisi diantara rongga-rongga yang tidak bisa di tempati oleh semen karena bentuknya yang jauh lebih halus daripada semen. Sehingga penambahan silica fume ke dalam campuran beton dengan kadar tertentu dapat mendistribusikan porositas beton menjadi lebih kecil. Penelitian ini bertujuan untuk mengetahui efektivitas jumlah silica fume di dalam beton . Mix Design menggunakan metode SNI 2656 – 2012 untuk mutu beton f’c 30 Mpa dengan jumlah benda uji 72 sampel. Menggunakan bekisting silinder 15 cm x 30 cm dengan presentase substitusi 0%, 5%, 10%, 15%, 25%, 50%, 75% dan 100% dari jumlah semen. Dari hasil uji penelitian didapatkan hasil optimum campuran beton pada variasi 10% substitusi semen dengan nilai 33,37 MPa, dan mengalami penurunan di persentase setelahnya hingga 75%. Di variabel 100% tidak bisa di ambil atau dinyatakan failed karena kandungan di dalamnya ada yang berbeda dengan semen Kata Kunci : Beton, Kuat Tekan, Silica Fume

Item Type: Thesis (S1)
NIM/NIDN Creators: 41117010046
Uncontrolled Keywords: Beton, Kuat Tekan, Silica Fume
Subjects: 600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan
600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 624 Civil Engineering/Teknik Sipil
Divisions: Fakultas Teknik > Teknik Sipil
Depositing User: ASHAIDAH AZLYA PUTRI
Date Deposited: 23 Oct 2023 04:25
Last Modified: 02 Nov 2023 07:19
URI: http://repository.mercubuana.ac.id/id/eprint/83055

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