Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia
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@article{JKSA15093, author = {Adi Darmawan and Dian Anggraini and Gunawan Gunawan}, title = {Pengaruh Substitusi Semen oleh Silika Abu Sekam Padi terhadap Kuat Tekan dan Suhu Reaksi Semen Portland}, journal = {Jurnal Kimia Sains dan Aplikasi}, volume = {11}, number = {1}, year = {2008}, keywords = {Semen; abu sekam; kuat tekan; suhu reaksi}, abstract = {Kebutuhan semen untuk bahan bangunan semakin meningkat, sehingga untuk meminimalisir penggunaan semen diperlukan agregat tambahan. Agregat tersebut adalah abu sekam padi yang di masyarakat belum dimanfaatkan secara optimal. Dengan penambahan abu sekam padi tersebut dapat memperbaiki kuat tekan dan suhu reaksi semen. Telah dilakukan penelitian pengaruh penambahan silika abu sekam padi terhadap kuat tekan dan suhu reaksi semen Portland. Penambahan silika abu sekam padi ke dalam semen Portland dilakukan dengan variasi komposisi silika abu sekam padi antara 0%-30% terhadap berat semen. Hasil penelitian menunjukkan bahwa kuat tekan semen dipengaruhi umur mortar dan komposisi silika. Mortar pada umur 7 hari memiliki kuat tekan yang lebih rendah daripada umur 28 hari. Kuat tekan meningkat antara 0-20% dan mengalami penurunan pada 20-30%. Kuat tekan yang paling optimal diperoleh pada penambahan silika abu sekam padi sebesar 3%, sedangkan suhu reaksi cenderung menurun dengan penambahan silika abu sekam padi.}, issn = {2597-9914}, pages = {15--19} doi = {10.14710/jksa.11.1.15-19}, url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/15093} }
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