$246$ Exploring foundational principles in civil engineering, one might delve into material science, structural analysis, and fluid mechanics. Fundamental to civil engineering is the understanding of forces acting on structures, soil behavior, and infrastructure design. Theory informs engineers about load distribution, stability, and sustainability in construction projects. Moreover, principles of transportation engineering elucidate traffic flow dynamics and optimization of transportation networks. In essence, civil engineering theory encompasses a vast array of disciplines essential for designing, constructing, and maintaining the built environment.