Pub Date : 2023-12-13DOI: 10.1007/s44285-023-00009-6
Yong Lu, Tianran Han
{"title":"Resilience of metro tunnel structures: monitoring deformation due to surrounding engineering activities and effect of remediation treatment","authors":"Yong Lu, Tianran Han","doi":"10.1007/s44285-023-00009-6","DOIUrl":"https://doi.org/10.1007/s44285-023-00009-6","url":null,"abstract":"","PeriodicalId":471694,"journal":{"name":"Urban Lifeline","volume":"44 S26","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139003864","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-12-01DOI: 10.1007/s44285-023-00008-7
Suresh Bhalla, Anuj Singh, D. Bhagat, Roger West
{"title":"Achieving sustainable built-environment using bamboo composite frame system with cow-dung masonary infills","authors":"Suresh Bhalla, Anuj Singh, D. Bhagat, Roger West","doi":"10.1007/s44285-023-00008-7","DOIUrl":"https://doi.org/10.1007/s44285-023-00008-7","url":null,"abstract":"","PeriodicalId":471694,"journal":{"name":"Urban Lifeline","volume":"12 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138626085","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-10-16DOI: 10.1007/s44285-023-00001-0
Fuming Wang, Bin Li, Hongyuan Fang, Wei Yu, Kejie Zhai, Benyue Hu
Abstract Buried prestressed concrete cylinder pipes (PCCPs) are subjected to the combined effects of soil cover loads, internal water pressure, and additional loads. However, there is scarce research on their mechanical performance under complex service conditions after being buried. In this study, 3D nonlinear finite element (FE) models of PCCPs and soils, along with fluid models, were developed using ABAQUS and FLUENT, respectively. Fluid–solid coupling numerical simulations of PCCPs with broken wires under complex service conditions were conducted using the MpCCI platform. The study focused on investigating the mechanical behaviors of PCCP pipes with broken wires, aiming to determine the effects of different numbers and locations of broken wires, as well as the magnitude of operating water pressure. The results shows that the number of broken wires is a crucial factor affecting the mechanical behaviors of the PCCPs; the dynamic variation of internal pressure within the pipe can cause further damage to PCCPs with pre-existing defects; when wire breakage occurs alone the springline of the PCCPs, the outer concrete core exhibited a tendency to crack before the inner concrete core. Conversely, when wire breaks occurred at the crown and invert, the inner concrete core cracked before the outer concrete core. These results provide valuable insights into the behavior of PCCPs under complex conditions and contribute to the understanding of their structural integrity. The findings can aid in the development of improved design and maintenance strategies for PCCPs, ensuring their reliable performance in underground applications.
{"title":"Mechanical behavior of PCCPs with broken wires under complex service conditions","authors":"Fuming Wang, Bin Li, Hongyuan Fang, Wei Yu, Kejie Zhai, Benyue Hu","doi":"10.1007/s44285-023-00001-0","DOIUrl":"https://doi.org/10.1007/s44285-023-00001-0","url":null,"abstract":"Abstract Buried prestressed concrete cylinder pipes (PCCPs) are subjected to the combined effects of soil cover loads, internal water pressure, and additional loads. However, there is scarce research on their mechanical performance under complex service conditions after being buried. In this study, 3D nonlinear finite element (FE) models of PCCPs and soils, along with fluid models, were developed using ABAQUS and FLUENT, respectively. Fluid–solid coupling numerical simulations of PCCPs with broken wires under complex service conditions were conducted using the MpCCI platform. The study focused on investigating the mechanical behaviors of PCCP pipes with broken wires, aiming to determine the effects of different numbers and locations of broken wires, as well as the magnitude of operating water pressure. The results shows that the number of broken wires is a crucial factor affecting the mechanical behaviors of the PCCPs; the dynamic variation of internal pressure within the pipe can cause further damage to PCCPs with pre-existing defects; when wire breakage occurs alone the springline of the PCCPs, the outer concrete core exhibited a tendency to crack before the inner concrete core. Conversely, when wire breaks occurred at the crown and invert, the inner concrete core cracked before the outer concrete core. These results provide valuable insights into the behavior of PCCPs under complex conditions and contribute to the understanding of their structural integrity. The findings can aid in the development of improved design and maintenance strategies for PCCPs, ensuring their reliable performance in underground applications.","PeriodicalId":471694,"journal":{"name":"Urban Lifeline","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136114565","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-10-16DOI: 10.1007/s44285-023-00005-w
Guanying Huang, S. Thomas Ng, Dezhi Li
Abstract The hospital is one of the commercial buildings with the most complex and challenging operational management stage, and digital twin has been an important tool to improve the efficiency and quality of hospital operation management (HOM). As the largest developing country in the world, China has realized the potential of digital twin adoption in HOM, but the existing studies lack the systematic analysis of the determinants and the clarifying of their interrelationship. To fill these knowledge gaps, this paper employed Technology-Organization-Environment framework to sort out 12 determinants, and used DEMATEL-ISM method to analyze the interrelationships of determinants. The results showed that government policy was the determinant with the highest centrality degree and had the highest positive causality degree, while reliability was had lowest negative causality degree. User requirement was the only determinant at the root level, while the other three determinants under the environment dimension were at the deep and middle levels. The determinants under organizational dimension were located in the middle level and shallow level, and the determinants under technical dimension were all located in shallow level. Finally, three implications were put forward, including investigating user requirements for digital twin, leveraging support in the external environment and improving adoption readiness within the hospital. This study would not only enrich the academic framework in the field of HOM, but also provide the guidance for adopting digital twin in HOM in China and other similar economies around the world.
{"title":"Determinants of digital twin adoption in hospital operation management","authors":"Guanying Huang, S. Thomas Ng, Dezhi Li","doi":"10.1007/s44285-023-00005-w","DOIUrl":"https://doi.org/10.1007/s44285-023-00005-w","url":null,"abstract":"Abstract The hospital is one of the commercial buildings with the most complex and challenging operational management stage, and digital twin has been an important tool to improve the efficiency and quality of hospital operation management (HOM). As the largest developing country in the world, China has realized the potential of digital twin adoption in HOM, but the existing studies lack the systematic analysis of the determinants and the clarifying of their interrelationship. To fill these knowledge gaps, this paper employed Technology-Organization-Environment framework to sort out 12 determinants, and used DEMATEL-ISM method to analyze the interrelationships of determinants. The results showed that government policy was the determinant with the highest centrality degree and had the highest positive causality degree, while reliability was had lowest negative causality degree. User requirement was the only determinant at the root level, while the other three determinants under the environment dimension were at the deep and middle levels. The determinants under organizational dimension were located in the middle level and shallow level, and the determinants under technical dimension were all located in shallow level. Finally, three implications were put forward, including investigating user requirements for digital twin, leveraging support in the external environment and improving adoption readiness within the hospital. This study would not only enrich the academic framework in the field of HOM, but also provide the guidance for adopting digital twin in HOM in China and other similar economies around the world.","PeriodicalId":471694,"journal":{"name":"Urban Lifeline","volume":"279 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136113810","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：