scholarly journals An Experimental Study on the Bending Performance of Composite Slabs Consisting of Reinforced Concrete and Cross Laminated Timber Joined with Shear Connectors

2021 ◽  
Vol 32 (0) ◽  
pp. 13-23
Author(s):  
Fumiaki Ohki ◽  
Noritaka Morohashi ◽  
Kenta Shindo ◽  
Yasushi Hiramatsu
Keyword(s):  
Experimental Study ◽  
Reinforced Concrete ◽  
Bending Performance ◽  
Cross Laminated Timber ◽  
Shear Connectors ◽  
Composite Slabs

An experimental study on strength and serviceability of reinforced and steel fibre reinforced concrete (SFRC) continuous composite slabs

2016 ◽  
Vol 114 ◽  
pp. 171-180 ◽  
Author(s):  
Alireza Gholamhoseini ◽  
Amir Khanlou ◽  
Gregory MacRae ◽  
Allan Scott ◽  
Stephen Hicks ◽  
...  
Keyword(s):  
Experimental Study ◽  
Reinforced Concrete ◽  
Steel Fibre ◽  
Fibre Reinforced Concrete ◽  
Steel Fibre Reinforced Concrete ◽  
Composite Slabs

scholarly journals Experimental study on demountable shear connectors in profiled composite slabs

2018 ◽  
Author(s):  
Jie Yang ◽  
Dennis Lam ◽  
Xianghe Dai ◽  
Therese Sheehan
Keyword(s):  
Experimental Study ◽  
Load Transfer ◽  
Concrete Strength ◽  
Shear Capacity ◽  
Experimental Results ◽  
Shear Connectors ◽  
Continuous Slab ◽  
Composite Slabs ◽  
Eurocode 3 ◽  
And Behavior

This paper presents an experimental study on demountable shear connectors in profiled composite slabs. Overall, three groups of push-off tests were conducted to assess the shear capacity, stiffness and ductility of the shear connectors. In all the specimens, a pair of shear studs were used per trough and were bolted to each side of the flange of a loading beam. Different concrete strength, embedment height of the shear studs and reinforcement cage were considered. Particularly, a joint was made between the pair studs in two groups of specimens when casting and formed two completely separate slabs per half specimen, to evaluate the load transfer between the pair studs. The experimental results showed that the shear capacity and behavior of the demountable connectors in separate slabs and continuous slab were both similar to the welded connectors and could fulfill the 6mm minimum ductility requirement stated in Eurocode 4 if proper embedment height of connector was used. The shear capacities of the tested specimens were compared against the calculated results obtained from the equations used for welded shear connectors in Eurocode 4 and bolted connections in Eurocode 3. Generally, the Eurocodes prediction underestimated the shear capacities of the push-off specimens.

Experimental Study on Reinforced Concrete Superposed Slabs

2012 ◽  
Vol 256-259 ◽  
pp. 684-688
Author(s):  
Yun Lin Liu ◽  
Wan Yun Yin ◽  
Gang Wang ◽  
Ke Wei Ding ◽  
Ren Cai Jin ◽  
...  
Keyword(s):  
Experimental Study ◽  
Reinforced Concrete ◽  
Environmental Protection ◽  
Static Loading ◽  
Building Materials ◽  
Bending Performance ◽  
Concrete Floor ◽  
Modern Development ◽  
Floor Slabs ◽  
Composite Wall

With the improvement of the level of architectural science and technology and the modern development of the residential industry higher requirement on building materials and environmental protection was brought forward．Based on the static loading experiment of four reinforced concrete floor slabs, two ordinary and two superimposed with connections, the paper studied their loading mechanism and bending performance, such as deformation, cracks, bearing limit and fail characteristics. Finally, proposals for superimposed slabs' design were put forward, popularization and application of new composite wall plate provides realistic basis.

scholarly journals Experimental Study on Behavior of Shear Connectors Embedded in Steel-Reinforced Concrete Joints

2018 ◽  
Author(s):  
Riko Nakamori ◽  
Yuki Kageyama ◽  
Nozomu Baba
Keyword(s):  
Experimental Study ◽  
Reinforced Concrete ◽  
Bond Strength ◽  
Concrete Member ◽  
Steel Reinforced Concrete ◽  
Shear Connectors ◽  
Reinforced Concrete Member ◽  
Average Maximum ◽  
Concrete Joints ◽  
Concrete Interface

This paper presents an experimental study on the behavior of shear connectors embedded in steel-reinforced concrete joints. In steel-reinforced concrete joints, the shear connectors are commonly used to transfer longitudinal shear forces across the steel-concrete interface. Further, in Japan, some studies in recently have also been undertaken to apply perfobond rib shear connector (PBL), which is a type of shear connectors developed in civil engineering, to the steel-reinforced concrete joints in building structures. To clarify the influence of the arrangement methods of headed studs and PBLs to reinforced concrete member on the joints, T-shaped subassembrages were tested under the monotonic tensil loading.This experiment is constituted of the following; Exp. I: Bond strength across the steel-concrete interface. Exp. II: Arrangement methods of these shear connectors to reinforced concrete member. The following can be drawn from the test results 1) The experimental values of the average maximum and residual bond strength are 0.230-0.280 and 0.15-0.18 N/mm2, respectively. 2) When the distance of between the upper surface of the reinforced concrete member from the first layer for headed studs are small, the failure mode of the specimens is similar to a concrete-cone type failure. 3) In case that the total number of headed studs or the hole provided to PBL is the same, the maximum load of the specimen with the parallel arrangement is larger than that of when shear connecters are vertically arranged. 4) The shear strength of headed studs in the joints embedded the steel member in the reinforced concrete member is estimated by superposing the average residual bond strength across the steel-concrete interface. 

scholarly journals Bending performance of cross-laminated timber-concrete composite slabs according to the composite method

BioResources ◽  
2021 ◽  
Vol 16 (4) ◽  
pp. 8227-8238
Author(s):  
Seung-Youp Baek ◽  
Yo-Jin Song ◽  
Seok-Hoon Yu ◽  
Dong-Hyeon Kim ◽  
Soon-Il Hong
Keyword(s):  
Bending Strength ◽  
Epoxy Adhesive ◽  
Composite Slab ◽  
Bending Performance ◽  
Cross Laminated Timber ◽  
Shear Connection ◽  
Reinforced Plastic ◽  
Strength Tests ◽  
Composite Slabs ◽  
Low Load

Bending strength tests were conducted of cross-laminated timber (CLT)-concrete composite slabs according to the shear connection method and carbon fiber reinforced plastic (CFRP) reinforcement. The bending strength of the composite slab that was shear-connected with an epoxy adhesive was 17% higher than that of a composite slab that was shear-connected with a self-tapping screw. In addition, the CLT-concrete slip of the former composite slab was also measured as 20% lower than the latter under the same load, showing a behavior close to that of a full composite. Both shear connection methods generated a failure in a low load-deformation section when there was a defect in the outermost tensile laminae of the CLT. In contrast, the CFRP reinforcement in the tension part of the composite slab suppressed the failure at the defect in the outermost tensile laminae. This reinforcement effect increased the reliability of the bending performance of the composite slab by preventing the failure of the composite slab while in a constant failure mode. Furthermore, the slip of the composite slab decreased 49% after its reinforcement with CFRP, showing a behavior close to that of a full composite.

Experimental Study on Connections of Superimposed Slabs

2014 ◽  
Vol 908 ◽  
pp. 3-7
Author(s):  
Ke Wei Ding ◽  
Fei Wu ◽  
Yun Lin Liu
Keyword(s):  
Experimental Study ◽  
Reinforced Concrete ◽  
Bearing Capacity ◽  
Static Loading ◽  
Scientific Basis ◽  
Bending Performance ◽  
Concrete Floor ◽  
Floor Slabs ◽  
Practical Engineering ◽  
New Type

Based on the static loading experiment of four reinforced concrete floor slabs, the paper studied their loading mechanism and bending performance, such as deformation, bearing capacity and fail modes,there is much significance to provide a scientific basis for application in the field of practical engineering of the reinforced concrete floor slabs and to popular this new type of reinforced concrete floor slab.

scholarly journals Experimental study on demountable shear connectors in composite slabs with profiled decking

2016 ◽  
Vol 122 ◽  
pp. 178-189 ◽  
Author(s):  
N. Rehman ◽  
D. Lam ◽  
X. Dai ◽  
A.F. Ashour
Keyword(s):  
Experimental Study ◽  
Shear Connectors ◽  
Composite Slabs
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