This article focusses on the morphological characterizations (surface area and pore diameter) of biomass derived biochar for its suitability as an internal curing agent in influencing strength and durabilityof the concrete mixture, sustainable cementitious material, agro-wastes disposal and reduction in carbon footprints, particularly in the construction industry. Surface morphology properties of the biochar are remarkably influenced by the pyrolysis process conditions (temperature and use of additive) and different types of feedstock. The fibrous structure of biochar with increased surface area and pore diameter favour higher water holding and retention capacity, causing self-curing action in the concrete composites.Based on the studies, it is inferred that the biochar would be the future potential cementitious material in the construction industry to solve many problems related to self-curing activity, high performance concrete, environment and waste management.
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