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<title><![CDATA[PEMANFAATAN LIMBAH FLY ASH DAN BOTTOM ASH PADA BETON GEOPOLIMER]]></title>
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<note>Beton geopolimer merupakan jenis beton inovatif yang dibuat dengan menggunakan bahan dasar abu terbang atau fly ash, bottom ash, dan alkali aktivator yang dicampurkan dengan air. Beton geopolimer memiliki beberapa keunggulan dibandingkan dengan beton konvensional. Salah satu keunggulannya adalah ketahanan terhadap api, asam, dan korosi yang lebih baik. Hal ini dikarenakan beton geopolimer terbuat dari bahan yang memiliki kandungan silika dan aluminium yang tinggi, sehingga dapat membentuk ikatan kimia yang kuat.
Penelitian ini menggunakan metode studi eksperimental dengan tujuan untuk mengetahui nilai slumpflow dan kuat tekan beton geopolimer. Sampel benda uji berjumlah 45 silinder dan 18 mortar dengan 5 variasi bottom ash dan pasir. Didapatkan hasil pengujian kuat tekan pada umur 7 hari optimum yaitu variasi BA40 sebesar 16,16 MPa, hasil pengujian kuat tekan pada umur 14 hari optimum yaitu variasi normal sebesar 21,36 MPa, dan hasil pengujian kuat tekan pada umur 28 hari optimum yaitu variasi normal sebesar 28,29 MPa. Penambahan bottom ash pada beton ringan menyebabkan workability adukan beton menurun.</note>
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