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Zhongling Wang, Xiaohong Zheng, Qiqi Wang and Qian Wang
Ultra-high-performance concrete (UHPC)-filled duct connection is an innovative solution for joining assembled structures, in which the anchorage performance of the rebar and UHPC filled in bellows plays a critical role in determining the overall connecti...
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Wenhu Gu, Jiarui Chen, Qirong Li, Rundong Ji and Jianzhong Ji
Fiber materials have advantages such as light weight and high strength, corrosion resistance, fatigue resistance, and easy processing and production, and they are widely applied in the repair and renovation of concrete structures. To promote the construc...
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Zhenming Xu, Yuan Huang and Rui Liang
In this paper, 3D finite element simulations were conducted for lap-spliced ultra-high-performance concrete (UHPC) beams using ABAQUS software. Based on the concrete damaged plasticity (CDP) model, the plastic damage factor was introduced to simulate the...
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Rui Ren, Xinjiang Xu, Dongbo Li, Li Fan, Qinlong Liu and Xiguang Liu
To study the bond?slip behavior of steel?steel fiber recycled aggregate concrete, push-out tests of 16 specimens were carried out using steel fiber volume ratio, steel fiber aspect ratio, steel protective layer thickness and steel embedded length as the ...
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Yuri S. Karinski, David Z. Yankelevsky and Vladimir R. Feldgun
Cracking is an inherent characteristic of a reinforced-concrete (RC) element subjected to tension or bending. The crack width growth with loading depends on the rebar-concrete bond behavior. RC bridges are designed under strict requirements to ensure the...
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David Z. Yankelevsky, Yuri S. Karinski and Vladimir R. Feldgun
Crack width is a major performance criterion in reinforced-concrete structures, in general, and is of utmost importance in ensuring bridge performance, in particular. A reliable theory-based method is required to assess crack widths and gain insight into...
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Rui Liang, Yuan Huang and Zhenming Xu
Ultra-high performance concrete (UHPC) has been demonstrated to be a realistic alternative to less maintenance and significantly longer service life due to its better mechanical properties and low permeability. The bond performance of the deformed steel ...
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Feras Abu Obaida, Tamer El-Maaddawy and Hilal El-Hassan
This study aims to examine the potential use of a geopolymeric matrix as a sustainable alternative to commercial mortars in carbon fabric-reinforced matrix composites. Single-lap shear tests were conducted to examine the bond behavior at the fabric-matri...
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Miguel Bravo, António P. C. Duarte, Jorge de Brito and Luís Evangelista
This works intends to analyze, experimentally and numerically, the bond-slip behavior between steel and concrete made with recycled aggregates (RA) from construction and demolition waste (CDW) from several recycling plants in Portugal. Pull-out tests per...
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Rajai Al-Rousan and Mohammad AL-Tahat
This experimental study was conducted to evaluate the effectiveness of using carbon fiber-reinforced polymer (CFRP) composites with special anchoring grooves, specifically in terms of the ability of the concrete?CFRP bond to withstand elevated temperatur...
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Mohamed Elsayed, Moncef L. Nehdi and Faouzi Ghrib
Grouted dowel connections are used extensively in precast load bearing walls owing to their simple construction and forgiving tolerances. Current design guidelines do not adequately consider the composite nature of such connections. Moreover, robust nume...
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Sri Tudjono,Han Ay Lie,Sholihin As?ad
Pág. 72 - 77
The behavior of reinforced concrete elements is complex due to the nature of the concrete that is weak in tension. Among these complex issues are the initial cracking and crack propagation of concrete, and the bond-slip phenomenon between the concrete an...
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Sanjay Gokul Venigalla, Abu Bakar Nabilah, Noor Azline Mohd Nasir, Nor Azizi Safiee and Farah Nora Aznieta Abd Aziz
Textile-reinforced concrete (TRC) is a form of reinforced concrete, where conventional reinforcement is replaced with textiles or fibers. The high tenacity of the textile fibers results in flexible and durable concrete structures. The literature has been...
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Joko Purnomo,V. Octaviani,P. K. Chiaulina,Jimmy Chandra
Pág. 82 - 93
Lateral deformations of reinforced concrete (RC) frames under extreme seismic excitation are highly affected by the stiffness of their beam-column joints. Numerous models have been proposed to simulate the responses of RC beam-column joint under cyclic l...
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Honglong Ma, Huawei Li, Jinhu Zheng, Wei Wei, Shaohua He, Xiaopeng Tian, Xiaohui Li and Feng Liu
The application range of rubber-recycled aggregate concrete (RRAC), a new type of green building material, is currently limited due to performance defects, including low hardness, high water absorption, and poor adhesion. To expand its application in rei...
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Fan Yang, Gan Qin, Kang Liu, Feng Xiong and Wu Liu
Pasting carbon fiber reinforced polymer (CFRP) has become an effective method to reinforce the circular tunnel. For this reinforcement method, the mechanical performance of the curved substrate is important to keep the coordinated deformation of CFRP and...
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