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<title><![CDATA[PENGARUH PENGGUNAAN SUPERPLASTICIZER DAN HYPERPLASTICIZER TERHADAP SIFAT FISIK DAN SIFAT MEKANIK BETON NORMAL]]></title>
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<note>Beton merupakan suatu elemen struktur yang didalamnya terdiri dari partikel-partikel agregat yang melekat dengan bantuan pasta yang terbentuk dari semen portland dan air. Bahan tambah superplasticizer dan hyperplasticizer mempunyai pengaruh yang besar dalam workability dan meningkatkan kuat tekan. Penambahan superplasticizer dan hyperplasticizer secara fisik mampu membuat pasta bergerak lebih bebas mengisi pori-pori beton. Penelitian ini menggunaakan metode eksperimental yang dilakukan dengan penambahan superplasticizer dan hyperplasticizer menargetkan kekuatan beton sebesar 30 MPa. Sampel benda uji berjumlah 42 buah silinder dengan variasi beton normal dengan penambahan superplasticizer dan hyperplasticizer dengan variasi 1%, 1,5%, dan 2%. Hasil penelitian pada pengujian kuat tekan pada umur 7 hari optimum yaitu variasi hyperplasticizer 2% sebesar 27,55 MPa dan hasil pengujian kuat tekan pada umur 28 hari optimum yaitu variasi hyperplasticizer 2% sebesar 36,13 MPa. Penambahan superplasticizer dan hyperplasticizer menyebabkan workability campuran beton meningkat dan meningkatkan kuat tekan seiring dengan pengurangan faktor air semen.</note>
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