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Understanding the Influence of Building Loads on Surface Settlement: A Case Study in the Central Business District of Beijing Combining Multi-Source Data

Remote sensing (Basel, Switzerland), 2021-08, Vol.13 (16), p.3063 [Peer Reviewed Journal]

2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 2072-4292 ;EISSN: 2072-4292 ;DOI: 10.3390/rs13163063

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  • Title:
    Understanding the Influence of Building Loads on Surface Settlement: A Case Study in the Central Business District of Beijing Combining Multi-Source Data
  • Author: Li, Fengkai ; Gong, Huili ; Chen, Beibei ; Gao, Mingliang ; Zhou, Chaofan ; Guo, Lin
  • Subjects: additional stress ; Aquifers ; Benchmarks ; building loads ; Buildings ; Central business districts ; Correlation coefficient ; Correlation coefficients ; Distribution patterns ; Economic impact ; Foundation settlement ; Geology ; Groundwater ; High rise buildings ; Interferometric synthetic aperture radar ; Leveling ; Metropolitan areas ; Monitoring ; PS-InSAR ; Sediments ; Spatial distribution ; Static loads ; Stress ; surface settlement ; Urban areas ; Urbanization
  • Is Part Of: Remote sensing (Basel, Switzerland), 2021-08, Vol.13 (16), p.3063
  • Description: In metropolitan areas, the static load of high-rise buildings may result in uneven settlement, which seriously threatens residents’ living safety. Studying the response relationship between the additional stress of high-rise buildings and foundation settlement plays an important role in ensuring the safe development of metropolitan cities. Firstly, based on Persistent Scatterers Interferometric Aperture Radar (PS-InSAR) technology, we used 68 descending TerraSAR-X images to obtain the surface settlement in the study area from April 2010 to October 2018, which were validated with leveling benchmark monitoring results. Secondly, we calculated the additional stress of the building loads to quantify its effect on the uneven settlement in the Central Business District (CBD) of Beijing. Finally, two sets of characteristic points were selected to analyze the response relationships between foundation settlement and additional stress generated by building loads. The findings show: (1) The surface settlement rate varied from −145.2 to 24 mm/year in the Beijing Plain. The InSAR results agree well with the monitoring results derived from the leveling benchmark; the Pearson correlation coefficients were 0.98 and 0.95 in 2011–2013 and 2015–2016, respectively. (2) The stress results show that the depth of the influence of the static load of high-rise buildings was 74.9 m underground in the CBD. (3) The spatial distribution pattern of the additional stress is consistent with the foundation settlement. A characteristic point with greater additional stress in the same group has a higher foundation settlement rate. This relationship has also been found between the uneven foundation settlement and additional stress gradients. These findings provide scientific support for mitigating economic losses due to foundation settlement caused by additional stresses derived from building loads.
  • Publisher: Basel: MDPI AG
  • Language: English
  • Identifier: ISSN: 2072-4292
    EISSN: 2072-4292
    DOI: 10.3390/rs13163063
  • Source: DOAJ Directory of Open Access Journals
    AUTh Library subscriptions: ProQuest Central
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