Hydration-drying interactions in OPC pastes blended with recycled OPC paste fine powder: Critical curing relative humidity hampering hydration
Construction and Building Materials(2018)
Abstract
•Hydration of OPC pastes blended with recycled OPC paste was studied.•Whatever T°, decreasing RH accelerates drying and decreases hydration level.•Whatever RH, decreasing T° decreases the hydration level.•The lower the clinker content, the higher the critical RH hampering hydration.•The critical curing RH depends on properties intrinsic to the material.
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Key words
Portland cement,Recycled cement paste fine,Clinker,Cement paste,Hydration temperature,Portlandite content,Water porosity,Water vapor desorption isotherm,Drying,Critical relative humidity
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