Influence of the addition of waste graphite powder on the physical and microstructural performance of hydraulic lime pastes
作者： M. Mar Barbero-Barrera , N. Flores Medina , C. Guardia-Martín
DOI: 10.1016/J.CONBUILDMAT.2017.05.156
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摘要: Abstract The use of waste materials contributes to the improvement life cycle assessment building materials, while traditional binders with a low carbon footprint enhance sustainability. Isostatic graphite powder has not been used in industry spite huge quantities it around world. However, hydraulic lime is binder which requires energy during manufacture. Hence, aim our research was investigate possibility incorporating into pastes. Batches different NHL-5 replacements by graphite, ranging from 0% 50%, and without plasticizer were blended. Their mechanical characteristics physical characteristics, namely, water absorption thermal properties, together microstructure analyzed. Among other effects, addition EDM increased compressive strength samples almost three times reducing open porosity coefficient, enabling wider these limes applications.
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