Sistem Teknologi Ramah Lingkungan Batako Komposit Tahan Api Sebagai Material Dinding Bangunan
DOI:
https://doi.org/10.22219/jmts.v21i1.28901Abstract
Teknologi ramah lingkungan adalah pemanfaatan limbah sebagai bahan pengganti sumber daya alam. Salah satunya dapat dicapai dengan mengganti agregat penyusun batako dengan material limbah. Pada penelitian ini, penggunaan agregat halus berupa pasir digantikan dengan limbah fly ash yang berasal dari PLTU Banten 3 Lontar Omu untuk pembuatan batako komposit tahan api. Benda uji yang digunakan berupa batako sebanyak 40 buah dengan perbandingan normal 1PC:6PS, sedangkan batako komposit 1PC:5.5PS:0.5FA, 1PC:5PS:1FA, 1PC:4.5PS:1.5FA. 1PC:4PS:2FA. Setelah batako berumur 28 hari, dilakukan pembakaran selama 60 menit dengan pengukuran suhu setiap 10 menit. Hasil penelitian menunjukkan bahwa pada batako campuran normal, terjadi perubahan warna pada menit ke-60 untuk bagian yang terpapar api, sedangkan bagian yang tidak terpapar api mulai mengeluarkan asap. Sementara itu, batako komposit fly ash menunjukkan ketahanan yang lebih baik, dengan bagian yang terpapar api mengalami sedikit perubahan warna dan bagian yang tidak terpapar api tidak mengeluarkan asap. Dengan demikian, batako komposit fly ash dengan pembakaran selama 60 menit masih dapat dikategorikan sebagai batako tahan api.
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