Abstract
Layered concrete structures provide many benefits in construction of a new project and repair, strengthening of already existing structures. However, this type of structural member has a vulnerable point, which is the interface between the layers. If the stiffness of the interface between the layers is not sufficient, the structure might fail at the interface and the layers might slip relative to each other. Interface behaviour is a complex process, which is yet to be fully understood. This article presents a theoretical method for analysing the behaviour of the interface. Using this method, an analysis of experimentally tested specimens, which were tested by other authors, was conducted. After the results of the analysis, it was confirmed that the proposed theoretic method is an appropriate tool for analysing the interface. Additionally, a parametric analysis was carried out by changing the values of concrete strength and connector ratio. Lastly, using the determined values of shear stress and slippage, a shear stress modulus for experimental specimens was calculated.
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Masėnas, J., Valivonis, J. (2024). Layer Interface Behaviour in Layered Concrete Structural Elements. In: Barros, J.A.O., Kaklauskas, G., Zavadskas, E.K. (eds) Modern Building Materials, Structures and Techniques. MBMST 2023. Lecture Notes in Civil Engineering, vol 392. Springer, Cham. https://doi.org/10.1007/978-3-031-44603-0_10
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DOI: https://doi.org/10.1007/978-3-031-44603-0_10
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