SP-331: Durability of Concrete Structures Incorporating Conventional and Advanced Materials最新文献

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Cyclic Loading Behavior of CFRP-Wrapped Non-Ductile Beam-Column Joints cfrp包覆非延性梁柱节点的循环荷载性能
Ali S. H. Zerkane, Yasir M. Saeed, F. Rad
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引用次数: 7
Improving the Durability of Impact Damaged PC Bridge Girders Using CFRP Rod Panel Retrofit CFRP棒板加固提高冲击损伤PC桥梁耐久性
A. Peiris, I. Harik
{"title":"Improving the Durability of Impact Damaged PC Bridge Girders Using CFRP Rod Panel Retrofit","authors":"A. Peiris, I. Harik","doi":"10.14359/51715595","DOIUrl":"https://doi.org/10.14359/51715595","url":null,"abstract":"","PeriodicalId":309321,"journal":{"name":"SP-331: Durability of Concrete Structures Incorporating Conventional and Advanced Materials","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121061829","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}
引用次数: 2
Durability Investigations into CFRP-confined Concrete in H2SO4 H2SO4中cfrp约束混凝土耐久性研究
Yongcheng Ji, Y. J. Kim
{"title":"Durability Investigations into CFRP-confined Concrete in H2SO4","authors":"Yongcheng Ji, Y. J. Kim","doi":"10.14359/51715598","DOIUrl":"https://doi.org/10.14359/51715598","url":null,"abstract":"","PeriodicalId":309321,"journal":{"name":"SP-331: Durability of Concrete Structures Incorporating Conventional and Advanced Materials","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125436723","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}
引用次数: 0
Long-Term Durability of GFRP Internal Reinforcement in Concrete Structures GFRP内筋在混凝土结构中的长期耐久性研究
Omid Gooranorimi, D. Gremel, J. Myers, A. Nanni
{"title":"Long-Term Durability of GFRP Internal Reinforcement in Concrete Structures","authors":"Omid Gooranorimi, D. Gremel, J. Myers, A. Nanni","doi":"10.14359/51715594","DOIUrl":"https://doi.org/10.14359/51715594","url":null,"abstract":"Synopsis: Glass fiber reinforced polymer (GFRP) bars are emerging as a feasible economical solution to eliminate the corrosion problem of steel reinforcements in concrete structures. Confirmation of GFRP long-term durability is crucial to extend its application especially in structures exposed to aggressive environments. The objective of this study is to investigate the performance of GFRP bars exposed to the concrete alkalinity and ambient condition in two bridges with more than a decade old located in the City of Rolla, Missouri: i) Walker Bridge (built in 1999), which consists of GFRP-reinforced concrete box culverts; and; ii) Southview Bridge (built in 2004), which incorporates GFRP bars in the post-tensioned concrete deck. In order to monitor the possible changes in GFRP and concrete after years of service, samples were extracted from both bridges for various analyses. Carbonation depth, chloride diffusion, and pH of the concrete surrounding the GFRP bars were measured. Scanning electron microscopy (SEM) imaging and energy dispersive X-ray spectroscopy (EDS) were performed to monitor any microstructural degradation or change in the GFRP chemical compositions. Finally, GFRP horizontal shear strength, glass transition temperature (Tg) and fiber content were determined and compared with the results of similar tests performed on pristine samples produced in 2015. SEM and EDS did not show any sign of GFRP microstructural deterioration or existence of a chemical attack. Horizontal shear strength and Tg showed slight improvements while the fiber content was similar to the pristine values. The results of this study suggest that GFRP bars maintained their microstructural integrity and mechanical properties during years of service as concrete reinforcement in both bridges.","PeriodicalId":309321,"journal":{"name":"SP-331: Durability of Concrete Structures Incorporating Conventional and Advanced Materials","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126067601","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}
引用次数: 1
Implications of High Plasticity Soils in Bridge MSE Wall Embankments 高塑性土对桥梁MSE墙路堤的影响
M. Williams
{"title":"Implications of High Plasticity Soils in Bridge MSE Wall Embankments","authors":"M. Williams","doi":"10.14359/51715593","DOIUrl":"https://doi.org/10.14359/51715593","url":null,"abstract":"","PeriodicalId":309321,"journal":{"name":"SP-331: Durability of Concrete Structures Incorporating Conventional and Advanced Materials","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129117626","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}
引用次数: 0
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