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Volume 6
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10.3390/app6050119
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Article

Application of a New Anchorage towards the Flexural Strengthening of RC Rectangular Beams with External Steel Tendons

by
Sungnam Hong
1,
Dooyong Cho
2 and
Sun-Kyu Park
3,*
1
College of Engineering, Sungkyunkwan University, 2066, Seobu-Ro, Jangan-Gu, Suwon-Si, Gyeonggi-Do 16419, Korea
2
Department of Technology Education, Chungnam University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Korea
3
Department of Civil and Environmental Engineering, Sungkyunkwan University, 2066, Seobu-Ro, Jangan-Gu, Suwon-Si, Gyeonggi-Do 16419, Korea
*
Author to whom correspondence should be addressed.
Appl. Sci. 2016, 6(5), 119; https://doi.org/10.3390/app6050119
Submission received: 8 January 2016 / Revised: 14 April 2016 / Accepted: 15 April 2016 / Published: 25 April 2016
(This article belongs to the Special Issue Selected Papers from the International Multi-Conference on Engineering and Technology Innovation 2015 (IMETI2015))
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Abstract

To strengthen concrete beams, a new anchorage was proposed, and its performance was evaluated in this study. Seven concrete beams were manufactured and flexurally loaded with displacement control up to the failure point. As important test variables, the anchorage type (new/conventional) and the prestress levels in the steel rebar (0, 50, and 100 kN) were selected. To investigate the strengthening effects based on these test variables, the deflection, strain, and failure mode were recorded, and then the load, ductility index, and energy ratio were analyzed. Test results showed that the newly proposed end anchorage had better strengthening effects and a greater inelastic energy than the conventional end anchorages.
Keywords: newly proposed anchorage; concrete beam; ductility; energy ratio newly proposed anchorage; concrete beam; ductility; energy ratio

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MDPI and ACS Style

Hong, S.; Cho, D.; Park, S.-K. Application of a New Anchorage towards the Flexural Strengthening of RC Rectangular Beams with External Steel Tendons. Appl. Sci. 2016, 6, 119. https://doi.org/10.3390/app6050119

AMA Style

Hong S, Cho D, Park S-K. Application of a New Anchorage towards the Flexural Strengthening of RC Rectangular Beams with External Steel Tendons. Applied Sciences. 2016; 6(5):119. https://doi.org/10.3390/app6050119

Chicago/Turabian Style

Hong, Sungnam, Dooyong Cho, and Sun-Kyu Park. 2016. "Application of a New Anchorage towards the Flexural Strengthening of RC Rectangular Beams with External Steel Tendons" Applied Sciences 6, no. 5: 119. https://doi.org/10.3390/app6050119

APA Style

Hong, S., Cho, D., & Park, S.-K. (2016). Application of a New Anchorage towards the Flexural Strengthening of RC Rectangular Beams with External Steel Tendons. Applied Sciences, 6(5), 119. https://doi.org/10.3390/app6050119

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