$1\mathrm{.}4$#$1\mathrm{.}4$#$\_\_-$"What are the fundamental principles governing the behavior of materials in civil engineering projects? How do factors like stress, strain, and elasticity influence the structural integrity of buildings and bridges? Discuss the basic concepts behind fluid mechanics and its application in hydraulic systems. How do soil properties affect the stability of foundations? Explain the principles of structural analysis and design in civil engineering. How do engineers ensure safety and durability in construction projects? Explore the significance of sustainability in civil engineering practices."