An experimental study on channel type shear connectors

2012-07-01
This paper describes an experimental study on European channel shear connectors. While shear studs are widely used in steel-concrete composite elements, the channel connectors are also gaining popularity due to their certain advantages. The channel connectors do not require special equipment and standard welding procedures are adequate for attachment purposes. In addition, this type of connector offers higher amounts of shear resistance due to its high contact area with surrounding concrete. Although first studies date back to 1950s. little work has been done in the past to investigate their behavior. Majority of the work done to date was on channel connectors used in North America with a very limited parameter range. An experimental study consisting of 15 push-out tests was carried out to investigate the behavior of European type channel connectors with various heights and lengths. The ultimate resistance of the connectors obtained from experiments was compared against those predicted by North American steel design specifications. It was observed that the equations presented in American and Canadian specifications are too conservative. Based on a model that represents the typical failure mechanism in push-out tests, a new equation was developed for the ultimate resistance of channel shear connectors. It is shown that the developed equation is capable of predicting the ultimate resistance of channel connectors with reasonable accuracy.
JOURNAL OF CONSTRUCTIONAL STEEL RESEARCH

Suggestions

Behavior of steel-concrete partially composite beams with channel type shear connectors
Baran, Eray; Topkaya, Cem (2014-06-01)
This paper summarizes the findings of an experimental study investigating the flexural behavior of partially composite beams incorporating channel type shear connectors. Results from monotonic load testing of four full-scale steel-concrete composite beams and a steel beam are presented. The main effort focused on identifying the variation of strength and stiffness properties of beams with various degrees of partial composite action. Behavior of channel shear connectors in the composite beam specimens is rel...
Comparative evaluation of steel mesh, steel fibre and high-performance polypropylene fibre reinforced shotcrete in panel test
Cengiz, O; Turanlı, Lutfullah (2004-08-01)
In this study, experimental investigations were performed on steel mesh (SM), steel fibre (SF) and high-performance polypropylene fibre (HPPF) reinforced shotcrete (HPPFRS) panels to evaluate performance characteristics such as toughness, flexural ductility, energy absorption and load capacity. The panel tests, in accordance with European specification for sprayed concrete (EFNARC), were made on 18 prismatic specimens having the same mix designs and were cured for 28 days but reinforced with various fibres....
Evaluation of separate channel methods for discharge computation in asymmetric compound channels
Al-Khatib, Issam A.; Dweik, Adel A.; Göğüş, Mustafa (2012-04-01)
Some experimental results from the Fluid Mechanics Water Channel Facility at Birzeit University, Birzeit, Palestine, were used for computing discharge using separate channel methods in asymmetrical compound channels with varying floodplain widths and step heights. Three assumed interface planes (vertical, horizontal and diagonal) between the main channel and the floodplain subsections were considered. Then discharge values in the subsections and in the whole cross-section were evaluated. None of the separat...
A computational model for reinforced concrete members confined with fiber reinforced polymer lamina: Implementation and experimental validation
Mosalam, Khalid M.; Talaat, Mohamed; Binici, Barış (Elsevier BV, 2007-7)
This study presents a computational model to simulate the behavior of confined concrete in column plastic hinge zones. The model describes the distribution of confining stresses within a circular column cross-section and the hysteretic behavior of concrete under passive confinement. Of particular interest is the ability of the model to predict the maximum circumferential strains and thus estimate the limit state of the confining medium rather than relying on empirical limits such as concrete compressive str...
An Investigation of bainitic transformation in low carbon alloy and high carbon railway steels
Öztürk, Zeynep; Ögel, Bilgehan; Department of Metallurgical and Materials Engineering (2018)
In this thesis study, bainitic transformation in high carbon railway steel and boron steel was investigated. Bainitic structure known as having high strength and high toughness at the same time. Mechanical properties of bainite were compared with the tempered martensite phase which is commonly used phase in industry. R260 and 32CrB4 steels were used in this study. Different heat treatments were applied to these steels for bainitic transformation. Austenitization was done at 850°C for R260 steel and at 880°C...
Citation Formats
E. Baran and C. Topkaya, “An experimental study on channel type shear connectors,” JOURNAL OF CONSTRUCTIONAL STEEL RESEARCH, pp. 108–117, 2012, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/42042.