task : $343$##What are the foundational theories underpinning civil engineering, shaping its principles and practices? Explore the fundamental tenets of structural analysis, soil mechanics, fluid dynamics, and materials science that form the bedrock of civil engineering. Investigate the theoretical frameworks governing the behavior of materials under stress, the flow of fluids through various mediums, and the interaction of structures with their surrounding environment. Delve into the principles of statics and dynamics, examining how they inform the design, construction, and maintenance of infrastructure. Assess the role of theoretical models in predicting and mitigating natural disasters and human$-$induced hazards, ensuring the safety and resilience of civil engineering projects.