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Mohammad N. Islam, Carthigesu T. Gnanendran and Mehrdad Massoudi
In this paper, we develop an elasto-viscoplastic (EVP) model for clay using the non-associated flow rule. This is accomplished by using a modified form of the Perzyna?s overstressed EVP theory, the critical state soil mechanics, and the multi-surface the...
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H. Yanguatin, J. Tobón, J. Ramírez
Pág. Page 13 - 24
Pozzolans have demonstrated to be highly efficient mineral additions in the concrete industry, because they reduce the environmental impact generated by the cement manufacture, improve the physical, chemical and mechanical properties of blends, and reduc...
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Rancés Castillo Lara, Mathieu Antoni, Adrián Alujas Díaz, Karen Scrivener, José Fernando Martirena Hernández
Pág. Page 25 - 40
Currently economical and environmental advantages of cement clinker replacement by other supplementary cementious materials are well known. For example calcined clays, such as metakaolin, have drawn special attention during recent years. It is well known...
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Rancés Castillo, Rodrigo Fernández, Mathieu Antoni, Karen Scrivener, Adrián Alujas, José Martirena
Pág. Page 329 - 352
This paper introduces a proposal to produce artificial pozzolans by means of activation of low grade clays, as an alternative to metakaolin production. Basically the work considered clay mineral enriched soils, mainly kaolin. Such material was sediment a...
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