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Underground Engineering for Sustainable Urban Development
Underground infrastructure presents unique challenges for engineers because usable underground space is limited in its extent and is not easily observed or accessible. The safety, health, and welfare of the public at large are among the civil engineer’s primary concerns while designing, constructing, maintaining, and operating physical infrastructure, including underground infrastructure. Underground engineers must rely on the skills and expert knowledge of all members of an interdisciplinary team to carry out their respective professional obligations within their scopes, budgets, and schedules.
A concept has recently been making its way into infrastructure systems requirements to be satisfi ed by the engineer: sustainability. There are numerous defi nitions of sustainability, but this report refers to sustainability as the ability to obtain and use resources to meet current needs and improve standards of living
without compromising the ability of those in the future to do the same. Sustainable urban development includes the selective use of materials and resources and consideration of cost effectiveness, functionality, safety, aesthetics, and longevity. The concept of sustainability changes the scale of many engineering projects. Engineering for sustainability means that engineers will need to move beyond traditional practice and consider their projects as part of a far larger physical and social system. They will need to think about the functionality and behaviors of their projects over long time periods—perhaps well beyond the project’s service
life. This is especially true of underground infrastructure, the impacts of which on society can be widespread and benefi cial, but the failure of which can be devastating, and the remnants of which—post-useful service life—can affect society and the use of the underground for centuries into the future.
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