The use of materials of vegetal origin is increasingly being promoted in many industries due to their cost effectiveness and the\nrising sensitivity to environmental protection and sustainability. Arabic Gum Biopolymer (AGB) is a wild plant byproduct that is\nabundantly found in Sudan and is also produced in other African countries. It has long been used in various industries. However,\nits utilization is very limited in the construction sector although there appears to be a significant potential for use of AGB in the\nbuilding industry.As an example, there is evidence thatAGBmay be an effective additive to concrete mixes thatwould improve fresh\nand hardened concrete properties. The aim of the present work is to provide further experimental evidence on the improvement\nthat can be achieved in the physical and mechanical properties of hardened concrete when AGB is added to the mixture. The\nexperimental results show a significant reduction in permeability for an optimum percentage of AGB and an increase in flexural\nand tensile strength and in the elastic modulus.
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