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Lap Splices of Bars in Bundles
ACI Structural Journal, 2013 European (EC2) and ACI 318-08 design code rules for lap splices of reinforcing bars within a bundle differ markedly-the former permits the same or shorter lap-splice lengths with respect to splices of individual bars, while the latter requires longer laps. This paper reports an investigation into the performance of lap splices of individual bars within
Cairns, John
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Construction and Building Materials, 2023 Fiber-reinforced cementitious matrix (FRCM) composites are comprised of high strength textiles embedded within inorganic matrices. Due to their peculiar mechanical and physical properties, they represent a valid alternative to fiber-reinforced polymer ...
Tommaso D'Antino +2 more
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Effects of Steel Lap Splice Locations on Strength and Ductility of Reinforced Concrete Columns
Advances in Structural Engineering, 2010 Longitudinal steel lap splice is always required in reinforced concrete (RC) columns. Normally, in countries having high seismic risk, lap splices of longitudinal steel must be located around mid-height of the storey.
H J Pam, J C M Ho
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On lap splice length of lap-spliced crossties for reinforced concrete columns under cyclic loading
Advances in Structural Engineering, 2020A lap-spliced crosstie comprises two J-shaped rebars, each with a 180° hook at one end and straight at the other end. Six large reinforced concrete columns subjected to lateral cyclic loading were tested. The results indicated the following: (1) the confining effect of horizontally lap-spliced crossties is similar to that of vertically lap-spliced ...
Tai-Kuang Lee, Cheng-Cheng Chen
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Structural Concrete, 2017
A lap‐spliced crosstie consists of two J‐shaped steel bars (rebars) that have a straight end and an end featuring a 180° hook. A lap‐spliced inner hoop is the lap splice of two U‐bars. In this study, cyclic load test was conducted on four large‐sized reinforced concrete (RC) columns to investigate the cyclic performance of RC columns comprising lap ...
Tai‐Kuang Lee +2 more
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A lap‐spliced crosstie consists of two J‐shaped steel bars (rebars) that have a straight end and an end featuring a 180° hook. A lap‐spliced inner hoop is the lap splice of two U‐bars. In this study, cyclic load test was conducted on four large‐sized reinforced concrete (RC) columns to investigate the cyclic performance of RC columns comprising lap ...
Tai‐Kuang Lee +2 more
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State of Bond along Lap Splices
Journal of Structural Engineering, 2015AbstractDesign requirements for development length of lap-spliced reinforcing bars in concrete refer to the associated rules for anchorage, practically treating the two problems as one. This was based on the empirical observation that development capacity of reinforcement obtained from both lap-splice and anchorage tests converge to the same ...
Tastani, S. P. +5 more
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Lapped Tensile Reinforcement Splices
Journal of the Structural Division, 1982The bond action between concrete and deformed bars in lap splices is analysed in its different working stages. The principal tensile stress generated by bond stress cracks the concrete after which bond gives rise to splitting forces. These forces cause longitudinal cracking of the cover. A method for determination of this cracking load is proposed. The
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Lap Splices in Confined Concrete
ACI Structural Journal, 1999This paper presents an investigation of the behavior of spirally confined lap splices of deformed reinforcing bars in concrete. A total of 119 specimens were tested in axial tension in two phases. The first phase focused on determining the best splicing detail. In the second phase, the chosen splice detail was more extensively studied.
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Evaluation of Bundled Bar Lap Splices
ACI Structural Journal, 2009Building codes allow the use of bundled reinforcement in groups of up to four bars. Placing reinforcing bars in bundles can overcome some of the practical limitations of using single bars with larger diameters. This paper examines the behavior of tension lap splices of bundled bars in cracked concrete under flexural loads.
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Bond Strength of Lap-Spliced Bars
ACI Structural Journal, 2005The performance of reinforced concrete structures depends on adequate bond strength between concrete and reinforcing steel. This article reports on a study of the bond strength of lap-spliced bars. The authors note that calculation methods to evaluate the strength of tension lap splices are based primarily on nonlinear regression analysis of test ...
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