Abstract
This paper discusses the strategy and results of a collaborative work carried out between 2005–2012 by two research teams at the Center for Research and Development of Structures and Materials (CIDEM) from the Universidad Central de las Villas, Cuba and the Laboratory of Construction Materials, from the Ecole Polytechnique Federal de Lausanne, EPFL, Switzerland on the use of low grade clays as Supplementary Cementitious Materials, SCM. On a first phase the work focused on the assessment of the reactivity of a low grade clay with Kaolinite content under 40 %. The success of the first phase enable the teams to enter on a second phase, which addressed the formulation and further test of a ternary blend cement composed of clinker and a synergetic blend of calcined clays and limestone, with clinker content under 50 %. As a proof of concept, the Cuban cement industry favored the realization of an industrial trial where bulky amounts of the new cement were produced on experimental sites.
Published Version
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