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Study on ground settlement and structural deformation for large span subway station using a new pre-supporting system
This study presents a novel construction pre-supporting system for large underground space excavation with shallow depth, Steel Tube Slab system (STS), in which adjacent steel pipes are connected by a couple of flanges, bolts and concrete for flexural capacity and lateral stiffness of the whole stru...
Autores principales: | , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
The Royal Society
2019
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6408414/ https://www.ncbi.nlm.nih.gov/pubmed/30891258 http://dx.doi.org/10.1098/rsos.181035 |
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author | Jia, Pengjiao Zhao, Wen Du, Xi Chen, Yang Zhang, Chaozhe Bai, Qian Wang, Zhiguo |
author_facet | Jia, Pengjiao Zhao, Wen Du, Xi Chen, Yang Zhang, Chaozhe Bai, Qian Wang, Zhiguo |
author_sort | Jia, Pengjiao |
collection | PubMed |
description | This study presents a novel construction pre-supporting system for large underground space excavation with shallow depth, Steel Tube Slab system (STS), in which adjacent steel pipes are connected by a couple of flanges, bolts and concrete for flexural capacity and lateral stiffness of the whole structure. The STS method is employed for the first time for the construction of the ultra-shallow buried and large span subway station in China, during which ground settlement and structural deformation are monitored. A numerical model for the subway station is established with reliability verified by monitored data comparison from numerical results and investigation on the effect of large span underground excavation on surrounding soil surrounding soil and existing buildings in soft soils. Unlike traditional methods, the STS method can effectively control and reduce the ground settlement during construction, thereby rendering it ideally suited for application in soft soils. |
format | Online Article Text |
id | pubmed-6408414 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2019 |
publisher | The Royal Society |
record_format | MEDLINE/PubMed |
spelling | pubmed-64084142019-03-19 Study on ground settlement and structural deformation for large span subway station using a new pre-supporting system Jia, Pengjiao Zhao, Wen Du, Xi Chen, Yang Zhang, Chaozhe Bai, Qian Wang, Zhiguo R Soc Open Sci Engineering This study presents a novel construction pre-supporting system for large underground space excavation with shallow depth, Steel Tube Slab system (STS), in which adjacent steel pipes are connected by a couple of flanges, bolts and concrete for flexural capacity and lateral stiffness of the whole structure. The STS method is employed for the first time for the construction of the ultra-shallow buried and large span subway station in China, during which ground settlement and structural deformation are monitored. A numerical model for the subway station is established with reliability verified by monitored data comparison from numerical results and investigation on the effect of large span underground excavation on surrounding soil surrounding soil and existing buildings in soft soils. Unlike traditional methods, the STS method can effectively control and reduce the ground settlement during construction, thereby rendering it ideally suited for application in soft soils. The Royal Society 2019-02-13 /pmc/articles/PMC6408414/ /pubmed/30891258 http://dx.doi.org/10.1098/rsos.181035 Text en © 2019 The Authors. http://creativecommons.org/licenses/by/4.0/ Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited. |
spellingShingle | Engineering Jia, Pengjiao Zhao, Wen Du, Xi Chen, Yang Zhang, Chaozhe Bai, Qian Wang, Zhiguo Study on ground settlement and structural deformation for large span subway station using a new pre-supporting system |
title | Study on ground settlement and structural deformation for large span subway station using a new pre-supporting system |
title_full | Study on ground settlement and structural deformation for large span subway station using a new pre-supporting system |
title_fullStr | Study on ground settlement and structural deformation for large span subway station using a new pre-supporting system |
title_full_unstemmed | Study on ground settlement and structural deformation for large span subway station using a new pre-supporting system |
title_short | Study on ground settlement and structural deformation for large span subway station using a new pre-supporting system |
title_sort | study on ground settlement and structural deformation for large span subway station using a new pre-supporting system |
topic | Engineering |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6408414/ https://www.ncbi.nlm.nih.gov/pubmed/30891258 http://dx.doi.org/10.1098/rsos.181035 |
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