Discuss the design principles and structural analysis methods involved in the development of sustainable and resilient infrastructure systems within urban environments. Explore how civil engineering practices can integrate considerations such as climate change adaptation, environmental impact mitigation, and societal resilience into the planning, design, construction, and maintenance phases of infrastructure projects. Assess the role of innovative materials, advanced construction techniques, and digital technologies in enhancing the performance, durability, and safety of infrastructure systems while minimizing their ecological footprint. Provide case studies or examples to support your arguments and highlight best practices in achieving sustainable and resilient urban infrastructure.