Structural response of RC frame under surface curvature and differential settlement in mining areas

Ground subsidence caused by coal mining can lead to various forms of surface deformation, which endanger the safety of the buildings. To assess the influence of the surface curvature of the mining area on the dynamic performance and damage of surface buildings, the reinforced concrete (RC) frame str...

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Main Authors: Ma, Xiaotong, Bao, Chao, Shang, Haodong, Wang, Huxiang, Doh, Shu Ing, Hu, Jun, Shu, Hongbo
Format: Article
Language:English
English
Published: Elsevier Ltd 2022
Subjects:
Online Access:http://umpir.ump.edu.my/id/eprint/42734/1/Structural%20response%20of%20RC%20frame%20under%20surface%20curvature.pdf
http://umpir.ump.edu.my/id/eprint/42734/2/Structural%20response%20of%20RC%20frame%20under%20surface%20curvature%20and%20differential%20settlement%20in%20mining%20areas_ABS.pdf
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author Ma, Xiaotong
Bao, Chao
Shang, Haodong
Wang, Huxiang
Doh, Shu Ing
Hu, Jun
Shu, Hongbo
author_facet Ma, Xiaotong
Bao, Chao
Shang, Haodong
Wang, Huxiang
Doh, Shu Ing
Hu, Jun
Shu, Hongbo
author_sort Ma, Xiaotong
collection UMP
description Ground subsidence caused by coal mining can lead to various forms of surface deformation, which endanger the safety of the buildings. To assess the influence of the surface curvature of the mining area on the dynamic performance and damage of surface buildings, the reinforced concrete (RC) frame structures with various differential settlement types are investigated using SAP2000 software. These structures' structural vibration property and damage characteristics are analyzed separately through the modal analysis method, theoretical derivation, and nonlinear static analysis. The result shows that the RC frame structure's natural vibration property and damage degree in the subsidence area vary with negative and positive surface curvature and should not be treated equally. The impact of surface curvatures in mining areas on natural vibration property is the change of structural mass distribution and the stiffness degradation caused by structural damage. The damage caused by the differential settlement will inevitably degrade the seismic performance of the structures located in the subsidence area.
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spelling UMPir427342025-01-07T03:58:37Z http://umpir.ump.edu.my/id/eprint/42734/ Structural response of RC frame under surface curvature and differential settlement in mining areas Ma, Xiaotong Bao, Chao Shang, Haodong Wang, Huxiang Doh, Shu Ing Hu, Jun Shu, Hongbo T Technology (General) TA Engineering (General). Civil engineering (General) Ground subsidence caused by coal mining can lead to various forms of surface deformation, which endanger the safety of the buildings. To assess the influence of the surface curvature of the mining area on the dynamic performance and damage of surface buildings, the reinforced concrete (RC) frame structures with various differential settlement types are investigated using SAP2000 software. These structures' structural vibration property and damage characteristics are analyzed separately through the modal analysis method, theoretical derivation, and nonlinear static analysis. The result shows that the RC frame structure's natural vibration property and damage degree in the subsidence area vary with negative and positive surface curvature and should not be treated equally. The impact of surface curvatures in mining areas on natural vibration property is the change of structural mass distribution and the stiffness degradation caused by structural damage. The damage caused by the differential settlement will inevitably degrade the seismic performance of the structures located in the subsidence area. Elsevier Ltd 2022-12 Article PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/42734/1/Structural%20response%20of%20RC%20frame%20under%20surface%20curvature.pdf pdf en http://umpir.ump.edu.my/id/eprint/42734/2/Structural%20response%20of%20RC%20frame%20under%20surface%20curvature%20and%20differential%20settlement%20in%20mining%20areas_ABS.pdf Ma, Xiaotong and Bao, Chao and Shang, Haodong and Wang, Huxiang and Doh, Shu Ing and Hu, Jun and Shu, Hongbo (2022) Structural response of RC frame under surface curvature and differential settlement in mining areas. Physics and Chemistry of the Earth, 128 (103239). pp. 1-7. ISSN 1474-7065. (Published) https://doi.org/10.1016/j.pce.2022.103239 https://doi.org/10.1016/j.pce.2022.103239
spellingShingle T Technology (General)
TA Engineering (General). Civil engineering (General)
Ma, Xiaotong
Bao, Chao
Shang, Haodong
Wang, Huxiang
Doh, Shu Ing
Hu, Jun
Shu, Hongbo
Structural response of RC frame under surface curvature and differential settlement in mining areas
title Structural response of RC frame under surface curvature and differential settlement in mining areas
title_full Structural response of RC frame under surface curvature and differential settlement in mining areas
title_fullStr Structural response of RC frame under surface curvature and differential settlement in mining areas
title_full_unstemmed Structural response of RC frame under surface curvature and differential settlement in mining areas
title_short Structural response of RC frame under surface curvature and differential settlement in mining areas
title_sort structural response of rc frame under surface curvature and differential settlement in mining areas
topic T Technology (General)
TA Engineering (General). Civil engineering (General)
url http://umpir.ump.edu.my/id/eprint/42734/1/Structural%20response%20of%20RC%20frame%20under%20surface%20curvature.pdf
http://umpir.ump.edu.my/id/eprint/42734/2/Structural%20response%20of%20RC%20frame%20under%20surface%20curvature%20and%20differential%20settlement%20in%20mining%20areas_ABS.pdf
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