Abstract
Abstract In this study, effect of replacement of cement by textile sludge on the properties of mortar and paste is investigated. Cement was replaced by textile sludge up to 20% by weight. The effect of cement-textile sludge paste mixes on the setting characteristics; soundness and flow behavior are investigated. The aim of the present research is to investigate the feasibility of using textile sludge as partial replacement of cement, concentrating this investigation on cement paste mixes and a detailed assessment of their performance based on strength, permeation, shrinkage and microstructure. Along with this, drying shrinkage of the mixes was investigated up to 90 days of drying. Results indicate no adverse effect of introducing textile sludge as replacement of cement up to 5% replacement level. There was a considerable loss in strength for higher replacement levels. SEM images indicate porous microstructure for cement-textile sludge mortars at higher replacement levels. XRD spectrums revealed no major qualitative phase change due to addition of textile sludge, and reduction in the quantities of major hydration products.
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