Pemanfaatan Zeolit dengan Aktivasi Fisik sebagai Bahan Pengganti Semen pada Beton Berpori
DOI:
https://doi.org/10.22219/jmts.v22i2.34686Abstract
Beberapa tahun terakhir, populasi di kota dan pinggiran kota telah meningkat secara signifikan, area yang dahulu tertutup oleh tanah dan dapat menyerap air kini tergantikan oleh infraastruktur trotoar, jalan, dan tempat parkir. Beton Poros (PC) merupakan solusi sederhana dan tahan lama yang meniru karakteristik hidrologi alami tanah. Penggunaan semen dapat digantikan dengan metode subtitusi zeolit. Berat semen digunakan sebagai faktor dalam pencampuran beton. Dengan mengetahui berat semen, kita dapat menentukan jumlah semen yang dibutuhkan untuk campuran beton, dengan mempertimbangkan berat jenis zeolit sebagai faktor pengganti. Penelitian dilakukan dengan tujuan mendapatkan nilai kuat tekan, porositas, permeabilitas, kehilangan abrasi dari beton poros. Zeolit yang diaktivasi fisik dan tidak diaktivasi fisik berpengaruh terhadap setiap pengujian yang dilakukan dan mendapatkan perbedaan hasil yang signifikan dilihat dari analisis ANOVA (Analysis of Variance). Kekuatan tekan maksimum ditemukan pada variasi zeolit aktivasi 15% pada nilai 10,75 MPa, dan Porositas dan permeabilitas tertinggi terdapat pada variasi subtitusi zeolit 20% tidak diaktivasi dengan nilai 12,5%; 0,55(cm/s), nilai abrasi terendah pada pengujian cantabro didapat pada variasi zeolit 15% aktivasi dengan nilai 30,27% dari nilai sebelum pengujian.
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