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All Journal Jurnal Ilmiah Bering's BERING: Jurnal Imiah Besemah Engineering
Heri Wijaya
Institut Teknologi Pagar Alam
Civil Engineering, Building, Construction & Architecture Engineering Materials Science & Nanotechnology Transportation

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PEMANFAATAN BIJI KARET SEBAGAI AGREGAT KASAR TERHADAP WORKABILITY DAN KUAT TEKAN BETON SCC (SELF COMPACTING CONCRETE) Vike Itteridi; Suci Damaiati; Heri Wijaya
JURNAL ILMIAH BERING'S Vol 9 No 01 (2022): Jurnal Ilmiah Bering's
Publisher : LPPM Sekolah Tinggi Teknologi Pagar Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (400.971 KB) | DOI: 10.36050/berings.v9i01.459

Abstract

Self compacting concrete is that can utilize its own weight to be able to flow to fill the room without any compaction process at all. The purpose of this study was to determine the compressive strength of self-compacting concrete with the substitution of rubber seeds as coarse aggregate. The method used in this study is an experimental method (experimental), also discusses the distribution of Slump Flow with the use of rubber seeds, the rate of use of rubber seeds is 3%, 4% and 5% of the weight of the coarse aggregate (split) used. The results of this study indicate the optimum compressive strength at the age of 28 days of concrete with the highest value in code A which is 8.93 MPa with a specific gravity of 2.33 grams/cm³ and a Slump Flow value of 52 cm. From this research, it can be concluded that the less mixing of rubber seeds in concrete composition the higher the compressive strength and the lower the specific gravity, while the Slump Flow value obtained will be lower. Due to the brittle nature of the rubber seeds, the slippery surface of the rubber seeds and the lightweight rubber seeds.
PENGARUH SUBSTITUSI STONE ASH AND RICE HUSK ASH TERHADAP KUAT TEKAN BETON abdi nasrullah; Tarmizi Tarmizi; Heri Wijaya
Jurnal Ilmiah BERING Vol. 11 No. 01 Maret (2023): BERING: Jurnal Imiah Besemah Engineering
Publisher : P3M Institut Teknologi Pagar Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36050/berings.v11i01 Maret.113

Abstract

Concrete has become a common choice as a structural material in construction projects. In civil engineering, there are two types of aggregates used as fillers: coarse aggregates such as gravel or crushed stone, and fine aggregates such as sand. Water and cement are used as binding materials in concrete. In order to enhance the compressive strength of concrete beyond the desired target and evaluate the effectiveness of using stone dust and rice husk ash, variations were made by adding 10% stone dust, 10% rice husk ash, and a mixture of 5% stone dust and 5% rice husk ash as partial replacements for cement. Cubic test specimens were formed and used to test the compressive strength at the ages of 3, 14, and 28 days. The test results showed that at 28 days, the average compressive strength of normal concrete was 32.09 MPa, the compressive strength of concrete with 10% stone dust was 32.64 MPa, the compressive strength of concrete with 10% rice husk ash was 22.84 MPa, and the compressive strength of concrete with a mixture of 5% stone dust and 5% rice husk ash was 19.33 MPa. Therefore, the addition of 10% stone dust resulted in higher compressive strength of concrete than the planned target.
PEMANFAATAN BIJI KARET SEBAGAI AGREGAT KASAR TERHADAP WORKABILITY DAN KUAT TEKAN BETON SCC (SELF COMPACTING CONCRETE) Heri Wijaya; Vike Itteridi; Suci Damaiati
Jurnal Ilmiah BERING Vol. 10 No. 1 Maret (2022): BERING: Jurnal Imiah Besemah Engineering
Publisher : P3M Institut Teknologi Pagar Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36050/bering.v9i1 Maret.199

Abstract

Self compacting concrete adalah beton yang dapat memanfaatkan berat sendirinya untuk dapat mengalir mengisi ruangan tanpa ada proses pemadatan sama sekali. Tujuan penelitian ini untuk mengetahui kuat tekan beton Self compacting concrete dengan substitusi biji karet sebagai agregat kasar. Metode yang digunakan dalam penelitian ini adalah metode eksperimen (percobaan). juga membahas sebaran Slump Flow dengan penggunaan biji karet, tingkat penggunaan biji karet yaitu 3% 4% dan 5% dari berat agregat kasar (split) yang digunakan. Hasil dari penelitian ini menunjukkan kuat tekan optimum pada umur beton 28 hari dengan nilai tertinggi di kode A yaitu sebesar 8,93 MPa dengan berat jenis 2,33 gram/ dan nilai Slump Flow 52 cm. Dari penilitian ini dapat di simpulkan bahwa semakin sedikit pencampuran biji karet dalam komposisi beton kuat tekannya akan semakin tinggi dan berat jenis akan semakin rendah, sedangkan nilai Slump Flow yang di dapatkan akan semakin rendah. Di karenakan sifat biji karet yang getas, permukaan biji karet yang licin dan biji karet yang ringan
Co-Authors Abdi NAsrullah Suci Damaiati Tarmizi Tarmizi Vike Itteridi