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All Journal Jurnal Ilmiah Teknik Sipil Jurnal Spektran Jurnal Teknik Sipil EnviroScienteae Civil Engineering Dimension
I Made Alit Karyawan Salain
Program Studi Magister Teknik Sipil Universitas Udayana
Civil Engineering, Building, Construction & Architecture Environmental Science

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Journal : Civil Engineering Dimension

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Study on Reactivity of Circulating Fluidized Bed Combustion Fly Ashes in the Presence of Water Salain I.M.A.K.
Civil Engineering Dimension Vol. 12 No. 1 (2010): MARCH 2010
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (187.551 KB) | DOI: 10.9744/ced.12.1.29-35

Abstract

A study on reactivity of four different Circulating Fluidized Bed Combustion (CFBC) fly ashes has been realized in the presence of water. Paste of each ash was prepared and analyzed for its setting time, expansion and strength. The products of hydration, and their evolutions over a period of time were identified by X-ray diffraction and differential thermal analysis. The results of this study show that the reactivity of the CFBC fly ashes is strongly related to their chemical composition, essentially to their quantity of silica, alumina, lime and sulfate, which promote principally the formation of ettringite, gypsum and C-S-H. It is further noted that the intensity and the proportion of these phases determine the hydration behavior of the CFBC fly ashes.
Co-Authors Dharma Putra Dharmayanti, Gusti Ayu Putu Candra Gde Ngurah Anindita I Gde Uma Darmapramita I Gusti Agung Neny Purnawirati I Ketut Sudarsana I M. Jelantik I Made Aryana I Made Suparta I N. R. Karyasa I Nym Mahendra Martha Adi Pamungkas I Nyoman Ardika I Nyoman Mahendra Martha Adi Pamungkas I Nyoman Suta Widnyana I Nyoman Sutarja I Putu Adi Yana I W Yansen I W. Intara I W. Yansen Ida Bagus Rai Widiarsa K Antriksa Lestari, Ni Made Dewi M. Dodiek W. Ardana Made Sukrawa Mayun Nadiasa Ngakan Made Anom Wiryasa Ni Ketut Sudiani Octavio P.M Marques Putu Budayasa Teguh Arifmawan Sudhiarta W. Tahriri Wayan Mustika Widiarsa, Ida Bagus Rai Yenni Ciawi