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المؤلفRabie, Mohamed
المؤلفFayyad, Eman M.
المؤلفIrshidat, Mohammad R.
المؤلفAl Nuaimi, Nasser
المؤلفHassan, Mohammad K.
تاريخ الإتاحة2020-04-30T12:59:32Z
تاريخ النشر2020
اسم المنشورProceedings of the International Conference on Civil Infrastructure and Construction
الاقتباسRabie M. H., Fayyad E. M., Irshidat M. R., Alnuaimi M. A., Hassan M. K., Evaluation of Bond Strength Between Carbon Fiber Reinforced Polymer (CFRP) Composites with Modified Epoxy Resins and Concrete, International Conference on Civil Infrastructure and Construction (CIC 2020), Doha, Qatar, 2-5 February 2020, DOI: https://doi.org/10.29117/cic.2020.0068
الرقم المعياري الدولي للكتاب2958-3128
المعرّفP. O. Box: 2713 Doha-Qatar, Email: qupress@qu.edu.qa
معرّف المصادر الموحدwww.cic.qa
معرّف المصادر الموحدhttp://dx.doi.org/10.29117/cic.2020.0068
معرّف المصادر الموحدhttp://hdl.handle.net/10576/14754
الملخصRehabilitation and strengthening of concrete structures are becoming more significant in civil engineering applications. The use of externally bonded Fiber Reinforced Polymers (FRP) is one of the methods to strengthen and rehabilitate reinforced concrete members, providing noticeable improvement to their capacity in resisting load. Carbon Fiber Reinforced Polymer (CFRP) is used along with epoxy resins to evaluate the bond strength of two commercially available epoxies (EPON 828 and EPON 862) between CFRP and concrete. In addition, three new combinations that resulted from mixing the two epoxies were examined. The mechanical properties of epoxy resins are significantly weaker than this of the CFRP making the epoxy characteristics the determining factor in the quality of the bond strength. Three-point flexural test was conducted to examine the bond strength between the CFRP composites and concrete. Further, differential scanning calorimetry was conducted to examine the glass transition temperature of the resultant epoxies. The results showed that the optimum composition was a mixture of 70% of epoxy 828 and 30% of epoxy 862. Therefore, achieving better bond strength and high glass transition temperature, resulting in CFRP composite with higher fire resistance.
اللغةen
الناشرQatar Univesrity Press
الموضوعCFRP
Epoxy composition
Bond strength
Concrete
العنوانEvaluation of Bond Strength Between Carbon Fiber Reinforced Polymer (CFRP) Composites with Modified Epoxy Resins and Concrete
النوعConference
الصفحات547-552
ESSN2958-3136
dc.accessType Open Access


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