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Mr. Javad Sabzi

ferdowsi unversity of mashhad

Civil Engineering

[email protected]

Articles by this author

تأثیر میزان تسلیح خارجی بر عملکرد تیرهای بتن مسلح تقویت شده با مواد پایه سیمانی مسلح الیافی

More than 2 years ago

Mr. Ahmadreza Ramezani , دانشگاه فردوسی مشهد ,
Prof. Mohammad Reza Esfahani , استاد گروه عمران- دانشگاه فردوسی مشهد ,
Mr. Javad Sabzi , ferdowsi unversity of mashhad ,

Events:

Abstract | Highlights | References |

Paper References

Sabzi J, Esfahani MR, Ozbakkaloglu T, Farahi B. (2020),“Effect of concrete strength and longitudinal reinforcement arrangement on the performance of reinforced concrete beams strengthened using EBR and EBROG methods,” Engineering Structures, 205, 110072.
Sabzi J, Esfahani MR. (2018),“Effects of tensile steel bars arrangement on concrete cover separation of RC beams strengthened by CFRP sheets,” Construction and Building Materials, 162, 470-9.
Farahi B, Esfahani M, Sabzi J. (2019),“Experimental investigation on the behavior of reinforced concrete beams retrofitted with NSM-SMA/FRP,” Amirkabir Journal of Civil Engineering, 51, 685-98.
Sabzi J, Esfahani M. (2018),“ Flexural Behavior of RC Beams Strengthened by CFRP Sheets in the Beams with low and high Reinforcement Ratios,” Amirkabir Journal of Civil Engineering, 50, 907-18.
Khorasani AM, Esfahani MR, Sabzi J. (2019),“The effect of transverse and flexural reinforcement on deflection and cracking of GFRP bar reinforced concrete beams,” Composites Part B: Engineering, 161, 530-546.
Arabshahi A, Tavakol M, Sabzi J, Gharaei-Moghaddam N. (2022),“Prediction of the effective moment of inertia for concrete beams reinforced with FRP bars using an evolutionary algorithm,” Structures, 35, 684-705.
Park J, Park S-K, Hong S. (2021),“Evaluation of Flexural Behavior of Textile-Reinforced Mortar-Strengthened RC Beam Considering Strengthening Limit,” Materials, 14, 6473.
Ebead U, Shrestha KC, Afzal MS, El Refai A, Nanni A. (2017),“Effectiveness of fabric-reinforced cementitious matrix in strengthening reinforced concrete beams,” Journal of Composites for Construction, 21, 04016084.
Ebead U, El-Sherif H. (2019),“Near surface embedded-FRCM for flexural strengthening of reinforced concrete beams,” Construction and Building Materials, 204,166-76.
Zhu J-h, Su M-n, Huang J-y, Ueda T, Xing F. (2018),“The ICCP-SS technique for retrofitting reinforced concrete compressive members subjected to corrosion,” Construction and Building Materials, 167, 669-79.
Colajanni P, De Domenico F, Recupero A, Spinella N. (2014),“Concrete columns confined with fibre reinforced cementitious mortars: experimentation and modelling,” Construction and Building Materials, 52, 375-84.
Ortlepp R, Ortlepp S. (2017),“Textile reinforced concrete for strengthening of RC columns: A contribution to resource conservation through the preservation of structures,” Construction and Building Materials, 132, 150-60.
D’Ambrisi A, Focacci F. (2011),“Flexural strengthening of RC beams with cement-based composites,” Journal of Composites for Construction, 15, 707-20.
Escrig C, Gil L, Bernat-Maso E. (2017),“Experimental comparison of reinforced concrete beams strengthened against bending with different types of cementitious-matrix composite materials,” Construction and Building Materials, 137, 317-29.
Yuan F, Chen M, Pan J. (2020),“Flexural strengthening of reinforced concrete beams with high-strength steel wire and engineered cementitious composites,” Construction and Building Materials, 254, 119284.
Jabr A, El-Ragaby A, Ghrib F. (2017)“Effect of the fiber type and axial stiffness of FRCM on the flexural strengthening of RC beams,” Fibers, 5, 2.
ASTM E8/E8M. (2009),“Standard test methods for tension testing of metallic materials,” American Society for Testing and Materials, West Conshohocken, PA.
ASTM C496/C496M-11. (2011),“Standard test method for splitting tensile strength of cylindrical concrete specimens,” ASTM International, West Conshohocken, PA.
ASTM C109 / C109M-16a. (2016),“Standard test method for compressive strength of hydraulic cement mortars (Using 2 in. or [50-mm] Cube Specimens),” ASTM International, West Conshohocken, PA.
ACI 549.4R. (2013),“ Guide to design and construction of externally bonded fabric-reinforced cementitious matrix systems for repair and strengthening concrete and masonry structures,” Farmington Hills, MI.
ACI 318. (2014),“Building code requirements for structural concrete and commentary,” Farmington Hills: American Concrete Institute.

تأثیر روش های تقویت با FRP و FRCM بر رفتار خمشی تیرهای بتن مسلح

More than 2 years ago

Mr. Javad Sabzi , ferdowsi unversity of mashhad ,
Prof. Mohammad Reza Esfahani , استاد گروه عمران، دانشکده مهندسی، دانشگاه فردوسی مشهد ,
Mr. Ahmadreza Ramezani , دانشگاه فردوسی مشهد ,

Events:

Abstract | Highlights | References |

Paper References

Sabzi J, Esfahani MR, Ozbakkaloglu T, Farahi B. (2020),“Effect of concrete strength and longitudinal reinforcement arrangement on the performance of reinforced concrete beams strengthened using EBR and EBROG methods,” Engineering Structures, 205, 110072.
Sabzi J, Esfahani MR. (2018),“Effects of tensile steel bars arrangement on concrete cover separation of RC beams strengthened by CFRP sheets,” Construction and Building Materials, 162, 470-9.
Farahi B, Esfahani M, Sabzi J. (2019),“Experimental investigation on the behavior of reinforced concrete beams retrofitted with NSM-SMA/FRP,” Amirkabir Journal of Civil Engineering, 51, 685-98.
Sabzi J, Esfahani M. (2018),“ Flexural Behavior of RC Beams Strengthened by CFRP Sheets in the Beams with low and high Reinforcement Ratios,” Amirkabir Journal of Civil Engineering, 50, 907-18.
Khorasani AM, Esfahani MR, Sabzi J. (2019),“The effect of transverse and flexural reinforcement on deflection and cracking of GFRP bar reinforced concrete beams,” Composites Part B: Engineering, 161, 530-546.
Arabshahi A, Tavakol M, Sabzi J, Gharaei-Moghaddam N. (2022) ,“Prediction of the effective moment of inertia for concrete beams reinforced with FRP bars using an evolutionary algorithm,” Structures, 35, 684-705.
Curbach M, Jesse F. (1999),“High-performance textile-reinforced concrete,” Structural engineering international, 9, 289-91.
Ombres L. (2012),“Debonding analysis of reinforced concrete beams strengthened with fibre reinforced cementitious mortar,” Engineering Fracture Mechanics, 81, 94-109.
Tetta ZC, Koutas LN, Bournas DA. (2016),“Shear strengthening of full-scale RC T-beams using textile-reinforced mortar and textile-based anchors,” Composites Part B: Engineering, 95, 225-39.
Triantafillou TC, Papanicolaou CG. (2005),“Textile Reinforced Mortars (TRM) versus Fiber ReinforcedPolymers (FRP) as StrengtheningMaterials of Concrete Structures,” Special Publication, 230, 99-118.
Elsanadedy HM, Almusallam TH, Alsayed SH, Al-Salloum YA. (2013),“Flexural strengthening of RC beams using textile reinforced mortar–Experimental and numerical study,” Composite Structures, 97, 40-55.
ASTM E8/E8M. (2009),“Standard test methods for tension testing of metallic materials,” American Society for Testing and Materials, West Conshohocken, PA.
ASTM C496/C496M-11. (2011),“Standard test method for splitting tensile strength of cylindrical concrete specimens,” ASTM International, West Conshohocken, PA.
ASTM C109 / C109M-16a. (2016),“Standard test method for compressive strength of hydraulic cement mortars (Using 2 in. or [50-mm] Cube Specimens),” ASTM International, West Conshohocken, PA.
ACI 318. (2014),“Building code requirements for structural concrete and commentary,” Farmington Hills: American Concrete Institute.
ACI 440.2R. (2017),“Guide for the design and construction of externally bonded FRP systems for strengthening concrete structures,” Reported by ACI Committee 440.
ACI 549.4R. (2013),“ Guide to design and construction of externally bonded fabric-reinforced cementitious matrix systems for repair and strengthening concrete and masonry structures,” Farmington Hills, MI.

An investigation on the properties of cementitious mortars made with electric arc furnace dust and red mud

More than 3 years ago

Mr. Ahmadreza Ramezani , دانشگاه فردوسی مشهد ,
Prof. Mohammad Reza Esfahani , استاد گروه عمران- دانشگاه فردوسی مشهد ,
Mr. Javad Sabzi , ferdowsi unversity of mashhad ,

Events:

Abstract | Highlights | References |

تأثیر ضایعات غبار کوره آهن‌گدازی، پودر مرمر و پودر شیشه به عنوان جایگزین بخشی از سیمان بر رفتار ملات‌های پایه سیمانی حاوی الیاف پلی پروپیلین

More than 3 years ago

Mr. Javad Sabzi , ferdowsi unversity of mashhad ,
Prof. Mohammad Reza Esfahani , استاد گروه عمران، دانشکده مهندسی، دانشگاه فردوسی مشهد ,
Mr. Ahmadreza Ramezani , دانشگاه فردوسی مشهد ,

Events:

Abstract | Highlights | References |

بررسی رفتار بلند مدت تیرهای بتن مسلح تقویت شده با روش NSM

More than 3 years ago

Ms. Sima Rostami Aghouy , Ferdowsi Univeristy of Mashhad ,
Prof. Mohammad Reza Esfahani , Ferdowsi Univeristy of Mashhad ,
Mr. Javad Sabzi , ferdowsi unversity of mashhad ,

Events:

Abstract |

ارزیابی آماری روابط پیش‌بینی ظرفیت باربری در تیرهای بتن‌آرمه تقویت شده با ورق‌های FRP

More than 4 years ago

Mr. Amir Salar Mehrabad , دانشکده مهندسی دانشگاه فردوسی مشهد ,
Mr. Javad Sabzi , دانشکده مهندسی دانشگاه فردوسی مشهد ,
Dr. Ahmad Shooshtari , استادیار گروه عمران، دانشکده مهندسی، دانشگاه فردوسی مشهد ,
Ms. Masoumeh Tavakol , دانشکده مهندسی دانشگاه فردوسی مشهد ,

Events:

Abstract | References |

Paper References

. Saadatmanesh, H., & Ehsani, M. R. (1991). RC beams strengthened with GFRP plates. I: Experimental study. Journal of structural engineering, 117(11), 3417-343.
JSCE. )2001(. “Recommendations for upgrading of concrete structures with use of continuous fiber sheets.” JSCE Concrete Engineering Series, 41, 31–34.
fib. )2001(. “Externally bonded FRP reinforcement for RC structures.” Bulletin 14, 51–58.
American Concrete Institute )ACI(. )2002(. “Guide for the design and construction of externally bonded FRP systems for strengthening concretestructures.” SCI 440.2R-02, ACI Committee 440.
Wu, Z. S., & Niu, H. D. (2000). Study on debonding failure load of RC beams strengthened with FRP sheets. Journal of Structural Engineering, 46(3), 1431-1441.
WU, Z., & NIU, H. (2007). Prediction of crack-induced debonding failure in R/C structures flexurally strengthened with externally bonded FRP composites. Doboku Gakkai Ronbunshuu E, 63(4), 620-639.
ACI 440.2R-17, Guide for the Design and Construction of Externally Bonded FRP Systems for Strengthening Concrete Structures, Reported by ACI Committee 440.2017 (2017).
CNR-DT 200 R1/2013, Guide for the design and construction of externally bonded FRP systems for strengthening existing structures, Rome, Italy: National Research Council, 2013.
Lu XZ, Teng JG, Ye LP, Jiang JJ (2007) Intermediate crack debonding in FRP-strengthened RC beams: FE analysis and strength model. Journal of Composites for Construction, 11(2):161-174.
Teng JG, Smith ST, Yao J, Chen JF (2003) Intermediate crack-induced debonding in RC beams and slabs. Construction and building materials, 17(6-7):447-462.
Sabzi, J., & Esfahani, M. R. (2018). Flexural behavior of RC beams strengthened by CFRP sheets in the beams with low and high reinforcement ratios, Amirkabir Journal of Civil Engineering, 50(5):907-918.
Sabzi, J., & Esfahani, M. R. (2018). Effects of tensile steel bars arrangement on concrete cover separation of RC beams strengthened by CFRP sheets. Construction and Building Materials, 162, 470-479.
Esfahani, M. R., Kianoush, M. R., & Tajari, A. R. (2007). Flexural behaviour of reinforced concrete beams strengthened by CFRP sheets. Engineering structures, 29(10), 2428-2444.
Mostofinejad, D., & Moghaddas, A. (2014). Bond efficiency of EBR and EBROG methods in different flexural failure mechanisms of FRP strengthened RC beams. Construction and Building Materials, 54, 605-614.
Mostofinejad, D., & Khozaei, K. (2015). Effect of GM patterns on ductility and debonding control of FRP sheets in RC strengthened beams. Construction and Building Materials, 93, 110-120.
Maalej, M., & Leong, K. S. (2005). Effect of beam size and FRP thickness on interfacial shear stress concentration and failure mode of FRP-strengthened beams. Composites Science and Technology, 65(7-8), 1148-1158.
Breña, S. F., & Macri, B. M. (2004). Effect of carbon-fiber-reinforced polymer laminate configuration on the behavior of strengthened reinforced concrete beams. Journal of composites for construction, 8(3), 229-240.
Gao, B., Kim, J. K., & Leung, C. K. (2004). Experimental study on RC beams with FRP strips bonded with rubber modified resins. Composites science and technology, 64(16), 2557-2564.

بررسی تحلیلی و آزمایشگاهی تیرهای بتن مسلح تقویت شده با ورق‌های FRP

More than 5 years ago

Mr. Javad Sabzi , دانشگاه فردوس مشهد ,
Prof. Mohammad Reza Esfahani , استاد گروه عمران- دانشگاه فردوسی مشهد ,

Events:

Abstract | Highlights | References |

Paper Abstract

تسلیح خارجی (EBR) روشی مرسوم برای نصب ورقه‌های FRP با استفاده از روش آماده‌سازی سطحی می‌باشد. اخیراً روش تسلیح خارجی بر روی شیار (EBROG) به عنوان یک پیشنهاد برای جایگزینی روش EBR در اعضای سازه‌ای بتن‌مسلح برای به تأخیر انداختن مود گسیختگی جداشدگی ورق FRP مطرح شده است. در این پژوهش، 4 نمونه تیر بتن آرمه به ابعاد 2200×300×250 ميلی‌متر ساخته شد و تحت آزمایش قرار گرفت. نمونه‌های آزمایشی با ورق¬هاي CFRP به روش‌های EBR و EBROG تقویت شدند و عواملی نظیر نوع روش تقویت و مقاومت بتن مورد بررسی قرار گرفت. نتایج به دست آمده نشان داد که استفاده از روشEBROG در بتن با مقاومت معمولی، احتمال جداشدگی ورق FRP همراه با پوشش بتن از سطح تیر را افزایش می‌دهد. هم‌چنین استفاده از روش EBROG در بتن با مقاومت بالا باعث می‌شود که ظرفیت باربری نهایی، تغییر مکان وسط دهانه و سطح زیر منحنی بار- تغییر مکان تا نقطه‌ی حداکثر ظرفیت باربری به مقدار قابل ملاحظه‌ای بیش‌تر از نمونه‌های تقویت شده با روش EBR ‌باشد. از مقايسه‌ی نتايج آزمايشگاهي و نتايج به‌دست ‌آمده از روابط آيين‌نامه و مدل‌های تحلیلی مشاهده‌ شد كه مقاومت خمشي حاصل از نتایج آزمایشگاهی برای مقاطع تقویت شده با روش EBR به مقاومت خمشی حاصل از روابط آیین‌نامه و مدل‌های تحلیلی نزدیک بود. اما هنگام استفاده از روش EBROG مقاومت خمشی حاصل از نتایج آزمایشگاهی بیش‌تر از مقاومت خمشی حاصل از روابط آیین‌نامه و مدل‌های تحلیلی بود. بنابراین روابط آیین‌نامه و مدل‌های تحلیلی مقاومت خمشی تیرهای تقویت شده به روش EBROG را دست پایین پیش‌بینی می‌کند.

Paper References

Khorasani AM, Esfahani MR, Sabzi J (2019) The effect of transverse and flexural reinforcement on deflection and cracking of GFRP bar reinforced concrete beams. Composites Part B: Engineering, 161:530-546.
Chen C, Li X, Zhao D, Huang Z, Sui L, Xing F, Zhou Y (2019) Mechanism of surface preparation on FRP-Concrete bond performance: A quantitative study. Composites Part B: Engineering, 163:193-206.
Esfahani MR, Kianoush MR, Tajari AR (2007) Flexural behaviour of reinforced concrete beams strengthened by CFRP sheets. Engineering structures, 29(10):2428-2444.
Mofrad MH, Mostofinejad D, Hosseini A (2019) A generic non-linear bond-slip model for CFRP composites bonded to concrete substrate using EBR and EBROG techniques. Composite Structures, 220:31-44.
Mostofinejad D, Mahmoudabadi E (2010) Grooving as alternative method of surface preparation to postpone debonding of FRP laminates in concrete beams. Journal of Composites for Construction, 14(6):804-811.
Mostofinejad D, Moghaddas A (2014) Bond efficiency of EBR and EBROG methods in different flexural failure mechanisms of FRP strengthened RC beams. Construction and Building Materials, 54:605-614.
Mostofinejad D, Kashani AT (2013) Experimental study on effect of EBR and EBROG methods on debonding of FRP sheets used for shear strengthening of RC beams. Composites Part B: Engineering, 45(1):1704-1713.
Mostofinejad D, Shameli M (2011) Performance of EBROG method under multilayer FRP sheets for flexural strengthening of concrete beams. Procedia Engineering, 14:3176-3182.
Mostofinejad D, Torabian A (2015) Experimental study of circular RC columns strengthened with longitudinal CFRP composites under eccentric loading: Comparative evaluation of EBR and EBROG methods. Journal of Composites for Construction, 20(2):04015055.
Saljoughian A, Mostofinejad D (2018) Grooving methods in square RC columns strengthened with longitudinal CFRP under cyclic axial compression. Engineering Structures, 174:724-735.
Moshiri N, Hosseini A, Mostofinejad D (2015) Strengthening of RC columns by longitudinal CFRP sheets: Effect of strengthening technique. Construction and Building Materials, 79:318-325.
ACI Committee 318, Building Code Requirements for Structural Concrete and Commentary, American Concrete Institute, Farmington Hills, (2014).
ACI 440.2R-17, Guide for the Design and Construction of Externally Bonded FRP Systems for Strengthening Concrete Structures, Reported by ACI Committee 440.2017 (2017).
Said H, Wu Z (2008) Evaluating and proposing models of predicting IC debonding failure. Journal of composites for construction, 12(3):284-299.
Teng JG, Smith ST, Yao J, Chen JF (2003) Intermediate crack-induced debonding in RC beams and slabs. Construction and building materials, 17(6-7):447-462.
Lu XZ, Teng JG, Ye LP, Jiang JJ (2007) Intermediate crack debonding in FRP-strengthened RC beams: FE analysis and strength model. Journal of Composites for Construction, 11(2):161-174.

ارزیابی آزمایشگاهی و تحلیلی تأثیر نسبت میلگرد خمشی و مقاومت فشاری بتن بر عملکرد تیرهای بتن مسلح تقویت شده توسط ورق‌های CFRP

More than 4 years ago

Mr. Javad Sabzi , دانشگاه فردوس مشهد ,
Prof. Mohammad Reza Esfahani , استاد گروه عمران- دانشگاه فردوسی مشهد ,

Events:

Abstract | Highlights | References |

Paper References

Mofrad, M. H., Mostofinejad, D., & Hosseini, A. (2019). A generic non-linear bond-slip model for CFRP composites bonded to concrete substrate using EBR and EBROG techniques. Composite Structures, 220, 31-44.
Nguyen, D. M., Chan, T. K., & Cheong, H. K. (2001). Brittle failure and bond development length of CFRP-concrete beams. Journal of Composites for Construction, 5(1), 12-17.
Mukhopadhyaya, P., & Swamy, N. (2001). Interface shear stress: a new design criterion for plate debonding. Journal of Composites for Construction, 5(1), 35-43.
De Lorenzis, L., & Teng, J. G. (2007). Near-surface mounted FRP reinforcement: An emerging technique for strengthening structures. Composites Part B: Engineering, 38(2), 119-143.
. Farahi, B., Esfahani, M. R., & Sabzi, J. (2020). Experimental Investigation on the Behavior of Reinforced Concrete Beams Retrofitted with NSM-SMA/FRP . Amirkabir Journal of Civil Engineering., 51(4), 421-426
Micelli, F., & De Lorenzis, L. (2013). Near-surface mounted flexural strengthening of reinforced concrete beams with low concrete strength. Proceedings of the Institution of Civil Engineers-Construction Materials, 166(5), 295-303.
Mostofinejad, D., & Mahmoudabadi, E. (2010). Grooving as alternative method of surface preparation to postpone debonding of FRP laminates in concrete beams. Journal of Composites for Construction, 14(6), 804-811.
Mostofinejad, D., & Kashani, A. T. (2013). Experimental study on effect of EBR and EBROG methods on debonding of FRP sheets used for shear strengthening of RC beams. Composites Part B: Engineering, 45(1), 1704-1713.
Mostofinejad, D., & Shameli, S. M. (2013). Externally bonded reinforcement in grooves (EBRIG) technique to postpone debonding of FRP sheets in strengthened concrete beams. Construction and Building Materials, 38, 751-758.
Eftekhar, M. R., & Ya’ghubi, M. (2016). Using boring to postpone debonding of CFRP-composite concrete beams. Journal of Composites for Construction, 20(1), 04015035.
Oh, H. S., & Sim, J. (2004). Interface debonding failure in beams strengthened with externally bonded GFRP. Composite Interfaces, 11(1), 25-42.
Grace, N. F., Sayed, G. A., Soliman, A. K., & Saleh, K. R. (1999). Strengthening reinforced concrete beams using fiber reinforced polymer (FRP) laminates. ACI Structural Journal-American Concrete Institute, 96(5), 865-874.
Jumaat, M. Z., Shukri, A. A., Obaydullah, M., Huda, M., Hosen, M., & Hoque, N. (2016). Strengthening of RC beams using externally bonded reinforcement combined with near-surface mounted technique. Polymers, 8(7), 261.
ACI (American Concrete Institute). (2014). Building code requirements for structural concrete and commentary. ACI 318-14, Farmington Hills, MI.
ACI (American Concrete Institute). (2017). Guide for the design and construction of externally bonded FRP systems for strengthening concrete structures. ACI 440.2R-17, Farmington Hills, MI.
CNR (National Research Council). (2013). Guide for the design and construction of externally bonded FRP systems for strengthening existing structures. CNR-DT 200 R1/2013, Rome, Italy.
Said, H., & Wu, Z. (2008). Evaluating and proposing models of predicting IC debonding failure. Journal of composites for construction, 12(3), 284-299.
Lu, X. Z., Teng, J. G., Ye, L. P., & Jiang, J. J. (2007). Intermediate crack debonding in FRP-strengthened RC beams: FE analysis and strength model. Journal of Composites for Construction, 11(2), 161-174.
Teng, J. G., Smith, S. T., Yao, J., & Chen, J. F. (2003). Intermediate crack-induced debonding in RC beams and slabs. Construction and building materials, 17(6-7), 447-462.

بررسی عددی و آزمایشگاهی تاثیر آرایش آرماتورهای کششی بر عملکرد تیرهای بتن آرمه تقویت شده با ورق‌های CFRP

More than 5 years ago

Mr. Javad Sabzi , دانشگاه فردوس مشهد ,
Prof. Mohammad Reza Esfahani , دانشگاه فردوسی مشهد ,
Ms. Masoumeh Tavakol , دانشگاه فردوسی مشهد ,

Events:

Abstract | References |

Paper References

1. Dussek, I. J. (1980), “Strengthening of bridge beams and similar structures by means of epoxy-resin-bonded external reinforcement,” Transportation Research Record, (785).
2. Klaiber, W. F., Dunker, K. F., & Sanders, W. W. (1982), “Strengthening of single-span steel-beam bridges. Journal of the Structural Division,” 108(12), pp 2766-2780.
3. Saadatmanesh, H., & Ehsani, M. R. (1991), “RC beams strengthened with GFRP plates. I: Experimental study,” Journal of structural engineering, 117(11), pp 3417-3433.
Teng, J. G., Chen, J. F., Smith, S. T., & Lam, L. (2002), “ FRP: strengthened RC structures,” Frontiers in Physics, 266.
Seracino, R., Raizal Saifulnaz, M. R., & Oehlers, D. J. (2007), “Generic debonding resistance of EB and NSM plate-to-concrete joints,” Journal of Composites for Construction, 11(1), pp 62-70.
Liu, I. S., Oehlers, D. J., & Seracino, R. (2006), “Tests on the ductility of reinforced concrete beams retrofitted with FRP and steel near-surface mounted plates,” Journal of Composites for Construction, 10(2), pp 106-114.
Bonacci, J. F., & Maalej, M. (2001), “Behavioral trends of RC beams strengthened with externally bonded FRP,” Journal of Composites for Construction, 5(2), pp 102-113.
Bizindavyi, L., & Neale, K. W. (1999), “ Transfer lengths and bond strengths for composites bonded to concrete,” Journal of composites for construction, 3(4), pp 153-160.
Sabzi, J., and Esfahani, M.R., (2017) , “Flexural behavior of RC beams strengthened by CFRP sheets in the beams with low and high reinforcement ratios,” Amirkabir Journal of Civil Engineering: (in Persian).
Sabzi, J., and Esfahani, M. R., (2018), “Effects of tensile steel bars arrangement on concrete cover separation of RC beams strengthened by CFRP sheets,” Construction and Building Materials, 162, pp 470-479.
Ross, C. A., Jerome, D. M., Tedesco, J. W., and Hughes, M. L. (1999), “Strengthening of reinforced concrete beams with externally bonded composite laminates,” Structural Journal, 96(2), pp 212-220.
Pimanmas, A., and Pornpongsaroj, P. (2004), “Peeling behaviour of reinforced concrete beams strengthened with CFRP plates under various end restraint conditions,” Magazine of Concrete Research, 56(2), pp 73-81.
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