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- Title
Ion Mobilisation and Transport Through Cement Mortars Blended With Thermally Activated Paper Sludge in Natural Climatic Conditions.
- Authors
Giménez, R. García; Vegas, I.; de la Villa, R. Vigil; Frías, M.
- Abstract
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.
- Subjects
IONS; SEWAGE sludge; PORTLAND cement; POZZUOLANAS; SCANNING electron microscopy; X-ray diffraction; X-ray spectroscopy; CLIMATOLOGY
- Publication
Water, Air & Soil Pollution, 2009, Vol 203, Issue 1-4, p39
- ISSN
0049-6979
- Publication type
Article
- DOI
10.1007/s11270-009-9990-2