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Ion Mobilisation and Transport Through Cement Mortars Blended With Thermally Activated Paper Sludge in Natural Climatic Conditions

AuthorsGarcía Giménez, Rosario; Vegas, Iñigo; Vigil de la Villa, R.; Frías, Moisés
KeywordsCalcined paper sludge
Pozzolanic material
Marine environment
Tableland environment
Issue Date2009
CitationWater, Air, & Soil Pollution 203 (1-4): 39-52(2009)
Abstract[EN]One of the problems to affect Portland cement matrices is low resistance to aggressive agents, due principally to the presence of a high content of portlandite in the hydrated cements. Pozzolanic materials have, for decades, played an important role in improving the durability of cement-based materials. This work studies the behaviour of cement mortar matrices blended with 10% calcined paper sludge (source for metakaolin, MK) and exposed to different environmental conditions (marine and tableland environments). The results obtained using X-ray diffraction and scanning electron microscopy/energy-dispersive X-ray analyser techniques show that the ions present speed of different penetration as well as various phases and/compounds in the matrices following exposure over 1 year
Publisher version (URL)http://dx.doi.org/10.1007/s11270-009-9990-2
Appears in Collections:(IETCC) Artículos
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