Results 141 to 150 of about 212 (186)

Experimental Studies and Application of Fiber-Reinforced Polymers (FRPs) in Civil Infrastructure Systems: A State-of-the-Art Review. [PDF]

Polymers (Basel)
Albuja-Sánchez J, Damián-Chalán A, Escobar D.   +2 more
europepmc   +1 more source

Enhancing aircraft crack repair efficiency through novel optimization of piezoelectric actuator parameters: A design of experiments and adaptive neuro-fuzzy inference system approach. [PDF]

Heliyon
Aabid A, Hrairi M, Raheman MA, Ibrahim YE.   +3 more
europepmc   +1 more source

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State of Bond along Lap Splices

Journal of Structural Engineering, 2015
AbstractDesign 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., Brokalaki, E., Pantazopoulou, Stavroula J., Tastani, S. P., Brokalaki, E., Pantazopoulou, Stavroula J.   +5 more
exaly   +3 more sources

On lap splice length of lap-spliced crossties for reinforced concrete columns under cyclic loading

Advances in Structural Engineering, 2020
A 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
openaire   +2 more sources

The cyclic performance of reinforced concrete columns using the lap‐spliced crosstie and lap‐spliced inner hoop

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, Cheng‐Cheng Chen, Kai‐Shen Zhan   +2 more
openaire   +2 more sources

Lapped Tensile Reinforcement Splices

Journal of the Structural Division, 1982
The 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
openaire   +1 more source

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
openaire   +1 more source

Lap Splices in Confined Concrete

ACI Structural Journal, 1999
This 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.
openaire   +1 more source

Evaluation of Bundled Bar Lap Splices

ACI Structural Journal, 2009
Building 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.
openaire   +1 more source

Bond Strength of Lap-Spliced Bars

ACI Structural Journal, 2005
The 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 ...
openaire   +1 more source