"How do the principles of material mechanics, structural analysis, and geotechnical engineering intersect to optimize the design and construction of large$-$scale civil infrastructure projects such as bridges and dams, ensuring their resilience against various dynamic loads and environmental conditions? Discuss the role of advanced computational modeling techniques, including finite element analysis and computational fluid dynamics, in predicting the behavior of complex structural systems under diverse loading scenarios. Furthermore, explore the challenges associated with integrating sustainable practices into the design and construction phases of civil engineering projects, considering factors such as resource efficiency, environmental impact mitigation, and long$-$term durability. Lastly, analyze the significance of effective project management strategies in coordinating multidisciplinary teams and stakeholders throughout the lifecycle of these infrastructure projects, from conceptualization to maintenance and rehabilitation."