CAREER: The Mechanics of Subsurface Urban Heat Islands

职业:地下城市热岛的机理

基本信息

  • 批准号:
    2046586
  • 负责人:
  • 金额:
    $ 50.42万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2021
  • 资助国家:
    美国
  • 起止时间:
    2021-08-01 至 2026-07-31
  • 项目状态:
    未结题

项目摘要

This Faculty Early Career Development (CAREER) award will investigate the impact of rising temperatures in the subsurface of urban areas on the performance of soils and geotechnical structures, and create tools that will inform novel methods to design and protect civil infrastructure in present and future cities. The ground is warming at a fast rate in many urban areas worldwide due to heat flows radiating from buildings and underground transport – a phenomenon known as subsurface urban heat islands. As the deformation of soils and geotechnical structures is critically affected by temperature variations, subsurface heat islands represent a silent hazard for urban areas. This project will add new scientific and educational dimensions to a fundamental subject affecting urban infrastructure through the creation, analysis, and interpretation of large datasets incorporating sensing, experiments, and computations. The broader impacts of the research will shape an emerging, interdisciplinary field to develop transformative strategies to plan, design, and manage the underground of cities. Through an integrated educational and outreach plan, this project will inform and train the present and future engineering workforce on approaches to cope with the critical phenomenon of subsurface heat islands in cities across the world.This research will shed light on the mechanics of subsurface urban heat islands, linking the mechanical response of soils subjected to temperature rise at the scale of the representative elementary volume with the response of geotechnical structures at the scales of individual buildings, city blocks, and districts. By leveraging a unique sensing network that monitors temperature in the subsurface of Chicago and extensive experimental work, this project will develop and validate physics-based and data-driven modeling tools to unravel the influence of subsurface urban heat islands on the deformation of the shallow underground. The research has three objectives: (1) analyze the long-term, thermally induced deformations of soils underneath or around buildings and infrastructure due to subsurface heat islands; (2) investigate the long-term performance of geotechnical structures and the resulting impacts on buildings and infrastructure due to the thermally induced deformations of soils; and (3) predict the evolution and impacts of subsurface heat islands for different site-specific features. This project will engage a wide range of demographics on the pervasive phenomenon of subsurface urban heat islands through collaboration with the Chicago Museum of Science and Industry and the Illinois Green Alliance.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
该学院早期职业发展(CAREER)奖将调查城市地区地下温度上升对土壤和岩土结构性能的影响,并创建工具,为设计和保护当前和未来城市的民用基础设施提供新方法。由于建筑物和地下交通辐射的热流,全球许多城市地区的地面正在快速变暖-这种现象被称为地下城市热岛。由于土壤和岩土结构的变形受到温度变化的严重影响,地下热岛对城市地区来说是一种无声的危险。该项目将通过创建,分析和解释包含传感,实验和计算的大型数据集,为影响城市基础设施的基本主题增加新的科学和教育维度。该研究的更广泛影响将塑造一个新兴的跨学科领域,以制定规划,设计和管理城市地下的变革战略。通过一个综合的教育和推广计划,该项目将为现在和未来的工程人员提供信息和培训,以科普世界各地城市地下热岛的关键现象。这项研究将揭示地下城市热岛的机制,在代表性单元体积尺度上,将土壤对温度升高的力学响应与岩土工程的响应联系起来在单个建筑物、城市街区和地区的尺度上的结构。通过利用监测芝加哥地下温度的独特传感网络和广泛的实验工作,该项目将开发和验证基于物理和数据驱动的建模工具,以揭示地下城市热岛对浅层地下变形的影响。本研究有三个目的:(1)分析由于地下热岛效应引起的建筑物和基础设施下方或周围土壤的长期热致变形;(2)研究由于土壤热致变形引起的岩土结构的长期性能以及对建筑物和基础设施的影响;以及(3)预测不同场地特征的地下热岛的演变和影响。该项目将通过与芝加哥科学与工业博物馆和伊利诺伊州绿色联盟的合作,对地下城市热岛的普遍现象进行广泛的人口统计。该奖项反映了NSF的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。

项目成果

期刊论文数量(3)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
The silent impact of underground climate change on civil infrastructure
  • DOI:
    10.1038/s44172-023-00092-1
  • 发表时间:
    2023-07
  • 期刊:
  • 影响因子:
    0
  • 作者:
    A. F. Rotta Loria
  • 通讯作者:
    A. F. Rotta Loria
Impacts of Subsurface Urban Heat Islands on Civil Infrastructure
城市地下热岛对民用基础设施的影响
  • DOI:
  • 发表时间:
    2023
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Rotta Loria, A.F.
  • 通讯作者:
    Rotta Loria, A.F.
Subsurface heat island across the Chicago Loop district: Analysis of localized drivers
  • DOI:
    10.1016/j.uclim.2022.101211
  • 发表时间:
    2022-07
  • 期刊:
  • 影响因子:
    6.4
  • 作者:
    A. F. Rotta Loria;Anjali Thota;A. Thomas;Nathan Friedle;Justin M. Lautenberg;Emily C. Song
  • 通讯作者:
    A. F. Rotta Loria;Anjali Thota;A. Thomas;Nathan Friedle;Justin M. Lautenberg;Emily C. Song
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Alessandro F Rotta Loria其他文献

Alessandro F Rotta Loria的其他文献

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