Journal of Materials and Engineering Structures
Volume 9, Numéro 2, Pages 173-185
2022-06-30
The Dam’s Calcined Mud As An Addition Partially Substitutable For Cement: The Behavior Towards Hydrochloric Acid Attack
Authors : Belghit Abdelkadir . Bouhamou Nasr Eddine . Hamadache Miloud . Ziregue Belkacem .
Abstract
The dam’s calcined mud in Algeria were proposed by several researchers for its use as an addition partially substitutable for cement, that is beneficial in various fields (technical, economical and environmental), the objective of this work is to evaluate the behavior of this mud towards hydrochloric acid attack, to concretize this objective one control mortar and three mortars mixtures containing modified cement by replacing cement CEMI by the calcined mud with different mass proportion of 10%, 20% and 30%, compressive strength test until the age of 180 days have been elaborated at first time, after that the four mortars were immersed in solutions of hydrochloric acid with two types of concentrations 2% and 5% during 15 weeks (105 days), the results show that the mortars based on mud resist better than the control mortar with tan advantage for 10% replacement with the calcined mud than the other mortars.
Keywords
Mortar ; Pouzzolana ; Calcined mud ; hydrochloric acid
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