Jingting Lin, Bo Jiang, Dawei Gu, Junxiu Hu, Qianpeng He, Li Xu, Jinlong Pan
{"title":"Shear transfer mechanism of headed stud connectors in engineered cementitious composites (ECC): Experimental observation, numerical investigation and analytical model","authors":"Jingting Lin, Bo Jiang, Dawei Gu, Junxiu Hu, Qianpeng He, Li Xu, Jinlong Pan","doi":"10.1016/j.jobe.2024.111565","DOIUrl":null,"url":null,"abstract":"Substituting normal concrete with engineered cementitious composites (ECC) is a promising way to address the cracking issue in steel-concrete composite structures. For realizing a synergetic deformation between ECC and steel, headed stud connectors can be incorporated to ensure an effective shear transfer along their interface. To understand the shear transfer mechanism of headed studs in ECC, a comprehensive experimental, numerical, and analytical approach is employed in this research. Firstly, a set of 13 push-out tests were carried out to explore the shear load-slip behavior of studs in ECC. Then, a parametric analysis was further conducted based on the finite element model to evaluate the influence of the diameter and length of stud, compressive strength of ECC, reinforcement ratio, and thickness of ECC layer. Finally, comprehensive analytical models for evaluating the shear carrying capacity, stiffness, and slipping ability of headed studs in ECC were established based on the elastic foundation beam model and regression analysis of experimental and numerical results.","PeriodicalId":15064,"journal":{"name":"Journal of building engineering","volume":"11 1","pages":""},"PeriodicalIF":6.7000,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of building engineering","FirstCategoryId":"5","ListUrlMain":"https://doi.org/10.1016/j.jobe.2024.111565","RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CONSTRUCTION & BUILDING TECHNOLOGY","Score":null,"Total":0}
Shear transfer mechanism of headed stud connectors in engineered cementitious composites (ECC): Experimental observation, numerical investigation and analytical model
Substituting normal concrete with engineered cementitious composites (ECC) is a promising way to address the cracking issue in steel-concrete composite structures. For realizing a synergetic deformation between ECC and steel, headed stud connectors can be incorporated to ensure an effective shear transfer along their interface. To understand the shear transfer mechanism of headed studs in ECC, a comprehensive experimental, numerical, and analytical approach is employed in this research. Firstly, a set of 13 push-out tests were carried out to explore the shear load-slip behavior of studs in ECC. Then, a parametric analysis was further conducted based on the finite element model to evaluate the influence of the diameter and length of stud, compressive strength of ECC, reinforcement ratio, and thickness of ECC layer. Finally, comprehensive analytical models for evaluating the shear carrying capacity, stiffness, and slipping ability of headed studs in ECC were established based on the elastic foundation beam model and regression analysis of experimental and numerical results.
期刊介绍:
The Journal of Building Engineering is an interdisciplinary journal that covers all aspects of science and technology concerned with the whole life cycle of the built environment; from the design phase through to construction, operation, performance, maintenance and its deterioration.