FLY ASH AND SILICA FUME SUBSTITUTION ON COMPRESSIVE STRENGTH AND PERMEABILITY OF CONCRETE IN THE MARINE ENVIRONMENT

Penulis

  • Ignatius Sudarsono Universitas Langlangbuana
  • S. Imam Wahyudi Universitas Islam Sultan Agung
  • Henny Pratiwi Adi Universitas Islam Sultan Agung

DOI:

https://doi.org/10.21009/jpensil.v12i3.34971

Kata Kunci:

Geopolimer, Silica Fume, Fly Ash, Durabilitas, Kinerja beton.

Abstrak

Semen sebagai salah satu material pembentuk beton merupakan penyumbang emisi CO2 di dunia. Pengurangan semen dan memberikan material subtitusi seperti fly ash, silica fume  dalam pembuatan beton menjadikan beton lebih ramah lingkungan (green concrete) tanpa mengurangi mutu beton rencana. Beton di lingkungan laut sering rusak oleh faktor lingkungan yang agresif diantaranya oleh penetrasi air laut ke dalam beton, sehingga dibutuhkan material beton yang memiliki berkinerja yang baik. Penelitian ini dilakukan dengan tujuan menganalisa pengaruh penambahan polimer fly ash, silica fume terhadap kuat tekan dan permeabilitas beton. Spesimen yang dibuat kemudian direndam dengan air tawar dan air laut. Analisa terhadap kuat tekan setelah pengujian menunjukan spesimen yang dirawat dengan air tawar maupun air laut sudah melampaui kuat tekan rencana 30 MPa. Pengujian permeabilitas terhadap benda uji menghasilkan bahwa penambahan fly ash pada beton yang direndam air tawar memiliki nilai  yang baik yaitu penetrasi air dibawah yang dipersyaratkan DIN-1045 yaitu 5 cm.  Sedangkan penetrasi beton dengan fly ash direndam air laut yang baik hanya pada beton dengan variasi fly ash 10%.  Pada beton dengan silica fume untuk semua variasi dengan perawatan air tawar dan air laut memiliki nilai penetrasi air masih memenuhi yang dipersyaratkan.

Biografi Penulis

Ignatius Sudarsono, Universitas Langlangbuana

Program Studi Teknik Sipil, Fakultas Teknik, Universitas Langlangbuana

S. Imam Wahyudi, Universitas Islam Sultan Agung

Civil Engineering Postgraduate Program, Sultan Agung Islamic University

Henny Pratiwi Adi, Universitas Islam Sultan Agung

Program Pascasarjana Teknik Sipil, Universitas Islam Sultan Agung

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Diterbitkan

2023-09-29

Cara Mengutip

Sudarsono, I., Wahyudi, S. I., & Adi, H. P. (2023). FLY ASH AND SILICA FUME SUBSTITUTION ON COMPRESSIVE STRENGTH AND PERMEABILITY OF CONCRETE IN THE MARINE ENVIRONMENT. Jurnal Pensil : Pendidikan Teknik Sipil, 12(3), 281–292. https://doi.org/10.21009/jpensil.v12i3.34971