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Concrete’s brittleness increases vulnerability to collapse under blast attacks, often causing initial cracks before failure. This research incorporates 0.5% volume of SLES graphene into concrete to enhance its properties by filling nanopores, reducing crack formation, and improving compressive strength. Slabs (600 × 600 × 75 mm) were tested using field blasts to measure crack dimensions and compression tests to evaluate strength pre- and post-blast. Results show graphene-reinforced concrete exhibits with very minor crack propagation and higher strength, with slight reductions post-blast. Findings contribute to engineering and nanotechnology, addressing societal needs for disaster-resistant construction and highlighting its potential for commercialization in critical infrastructure.