But there's good news. We could use this as an opportunity to capture an untapped energy source.
"Chicago clay can contract when heated, like many other fine-grained soils. As a result of temperature increases underground, many foundations downtown are undergoing unwanted settlement, slowly but continuously," he highlighted.
To understand the impact of underground climate change on civil infrastructure, Loria and his team deployed a wireless network of over 150 temperature sensors in the Chicago Loop. Data from the sensing network revealed that underground temperatures in the Loop are often 10 degrees warmer than those beneath Grant Park—a greenspace away from urban structures used for comparison.Alessandro Rotta Loria/Northwestern UniversityThe team found that air temperatures in underground structures can be up to 25 degrees higher than the undisturbed ground temperature, exerting significant stress on materials that expand and contract with temperature changes.
Loria emphasizes that severe ground deformations caused by underground climate change can affect civil infrastructure performance, even though the impact may not be immediately noticeable.The study suggests that buildings designed before the emergence of underground climate change are less equipped to handle temperature variations than more modern structures.
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