$=======$What theoretical frameworks underpin the principles of civil engineering? Explore foundational theories that inform structural analysis, materials science, and construction methodologies. Consider the contributions of key theorists like Euler, Bernoulli, and Mohr, and their influence on understanding load distribution, material behavior, and stress analysis. Discuss the application of theories such as elasticity, plasticity, and fluid mechanics in designing resilient infrastructure. Explore how these theoretical foundations inform modern engineering practices, from designing skyscrapers to building bridges, dams, and highways. Investigate the interplay between theory and practical application, examining how theoretical insights drive innovation and shape the built environment.