{"title":"Performance evaluation of prefabricated retaining wall systems based on centrifuge tests","authors":"Honglue Qu, Wangwang Dong, Zhaolong Li, Gopal Santana Phani Madabhushi","doi":"10.1680/jensu.23.00072","DOIUrl":null,"url":null,"abstract":"Prefabricated and assembled retaining wall systems are gradually becoming the choice for slope stabilisation and earth-retaining structures. However, current prefabricated retaining wall systems are often difficult to apply in complex and variable construction sites due to issues such as inconsistent production dimensions and transportation difficulties. This paper presents a novel prefabricated retaining wall system and reports centrifuge model tests performed to analyse its overall performance. The influence of different infill materials on the performance of the prefabricated retaining wall system was studied. The research findings reveal that the retaining wall system provides significant slope stabilisation effects and can withstand up to four times the stress level of a natural slope. Moreover, the stability of the retaining wall system is more than twice better when infilled with frictional soil compared with that when clay infill is used. Due to its unique structure, it can not only reduce material consumption and carbon dioxide emissions by around 63.94% but also allow planting of green plants in the gaps of components, thereby providing a more sustainable alternative to conventional concrete gravity wall systems.","PeriodicalId":49671,"journal":{"name":"Proceedings of the Institution of Civil Engineers-Engineering Sustainability","volume":"23 1","pages":""},"PeriodicalIF":1.5000,"publicationDate":"2024-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the Institution of Civil Engineers-Engineering Sustainability","FirstCategoryId":"5","ListUrlMain":"https://doi.org/10.1680/jensu.23.00072","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ENGINEERING, CIVIL","Score":null,"Total":0}
引用次数: 0
Abstract
Prefabricated and assembled retaining wall systems are gradually becoming the choice for slope stabilisation and earth-retaining structures. However, current prefabricated retaining wall systems are often difficult to apply in complex and variable construction sites due to issues such as inconsistent production dimensions and transportation difficulties. This paper presents a novel prefabricated retaining wall system and reports centrifuge model tests performed to analyse its overall performance. The influence of different infill materials on the performance of the prefabricated retaining wall system was studied. The research findings reveal that the retaining wall system provides significant slope stabilisation effects and can withstand up to four times the stress level of a natural slope. Moreover, the stability of the retaining wall system is more than twice better when infilled with frictional soil compared with that when clay infill is used. Due to its unique structure, it can not only reduce material consumption and carbon dioxide emissions by around 63.94% but also allow planting of green plants in the gaps of components, thereby providing a more sustainable alternative to conventional concrete gravity wall systems.
期刊介绍:
Engineering Sustainability provides a forum for sharing the latest thinking from research and practice, and increasingly is presenting the ''how to'' of engineering a resilient future. The journal features refereed papers and shorter articles relating to the pursuit and implementation of sustainability principles through engineering planning, design and application. The tensions between and integration of social, economic and environmental considerations within such schemes are of particular relevance. Methodologies for assessing sustainability, policy issues, education and corporate responsibility will also be included. The aims will be met primarily by providing papers and briefing notes (including case histories and best practice guidance) of use to decision-makers, practitioners, researchers and students.