Results 261 to 270 of about 93,913 (315)
Structural Concrete, EarlyView.Abstract The field of reinforced concrete (RC) strengthening continues to evolve as the construction industry seeks cost‐effective and sustainable alternatives to structural replacement. This study, therefore, aimed to comprehensively investigate the pioneering application of steel‐reinforced grout (SRG) for strengthening large‐scale, 3.5‐meter‐long ...
Mohamed Ibrahim +3 more
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Impact of half‐joint failures on RC girder bridges: A robustness quantification study
Structural Concrete, EarlyView.Abstract The robustness of bridge structures is critical to ensuring safety and service continuity, particularly in aging infrastructure exposed to degradation and unexpected loads. Reinforced concrete (RC) half‐joint bridges—widely built in Italy between the 1950s and 1970s—exhibit specific vulnerabilities due to inspection challenges, durability ...
Paolo Martinelli, Matteo Colombo
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Strip loading in steel fiber reinforced concrete: Experimental and theoretical investigation
Structural Concrete, EarlyView.Abstract Fiber reinforced concrete is becoming increasingly popular in engineering practice due to its high robustness, post‐cracking behavior, and crack control. For strip loading, as common, for example, in longitudinal joints of tunnel lining segments, the use of fiber reinforced concrete has the potential to reduce conventional reinforcement ...
Fabian Morger +2 more
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Seismic performance evaluation of a century‐old RC columns for railway's structural concrete
Structural Concrete, EarlyView.Abstract Since the Great Kanto Earthquake of 1923 in Japan, reinforced concrete (RC) has been adopted for railway bridge piers, and some of these structures, now over 100 years old, continue to support transportation in the capital city of Tokyo. Evaluating the seismic performance of these few remaining RC structures has become an urgent issue. Because
Kousuke Kuwakino +2 more
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Structural Concrete, EarlyView.Abstract The previous seismic events indicated the vulnerability of old reinforced concrete (RC) structures against earthquakes due to the absence of seismic detailing and capacity design specifications in such buildings. In this context, beam‐column joints (BCJ) of the existing RC structures built before the 1970s have exhibited poor structural ...
Peyman Sabbahfar +3 more
wiley +1 more source
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2020
As we all know that there was severe damage of beam-to-column connections especially in the regions with high seismicity, such as Northridge of the United States, Hanshin of Japan and Wenchuan of China (Popov et al in Eng Struct 20(12):1030–1038 1998; Miller in Eng Struct 20(4–6):249–260, 1998).
Yufen Zhang, Degang Guo
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As we all know that there was severe damage of beam-to-column connections especially in the regions with high seismicity, such as Northridge of the United States, Hanshin of Japan and Wenchuan of China (Popov et al in Eng Struct 20(12):1030–1038 1998; Miller in Eng Struct 20(4–6):249–260, 1998).
Yufen Zhang, Degang Guo
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Journal of Engineering Mechanics, 2012
AbstractThe ability of a RC beam to rotate is extremely important at both the serviceability and ultimate limit states as it affects deflection, moment redistribution, and the absorption of energy. The rotation in a RC beam can be considered to have two components: the continuous rotation that occurs in the homogenous portions of the beam and that can ...
Mohamed Sadakkathulla, M. +3 more
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AbstractThe ability of a RC beam to rotate is extremely important at both the serviceability and ultimate limit states as it affects deflection, moment redistribution, and the absorption of energy. The rotation in a RC beam can be considered to have two components: the continuous rotation that occurs in the homogenous portions of the beam and that can ...
Mohamed Sadakkathulla, M. +3 more
openaire +2 more sources
Chinese Physics C, 2010
The current design of the CSNS/RCS beam collimation system consists of a two-stage betatron collimation and a single momentum collimator. This paper summarizes various aspects of collimator design, including collimation principle and layout, material choice and collimator mechanical structure, etc.
Wei Tao, Wu Qing-Biao, Li Wen-Qian
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The current design of the CSNS/RCS beam collimation system consists of a two-stage betatron collimation and a single momentum collimator. This paper summarizes various aspects of collimator design, including collimation principle and layout, material choice and collimator mechanical structure, etc.
Wei Tao, Wu Qing-Biao, Li Wen-Qian
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Experimental study of RC jacketed and CFRP strengthened RC beams
Construction and Building Materials, 2015Abstract This paper presents the results of an experimental study on retrofitting RC beams using FRP strengthening and RC jacketing. Three-point loadings are applied to twelve strengthened beams and three reference specimens to put the two techniques into perspective.
Hamidreza Tahsiri +3 more
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Ductility of RC beams under torsion
Engineering Structures, 2018Abstract In this article, the torsional ductility of reinforced concrete (RC) beams with rectangular cross section is studied. For this, the experimental results of several RC beams found in the literature were compiled and analyzed. A torsional ductility index was used to characterize the torsional ductility of the studied beams.
M.M. Teixeira, L.F.A. Bernardo
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