TIMBER-CONCRETE COMPOSITE RIBBED SLABS WITH HIGH-PERFORMANCE FIBRE-CONCRETE

Karina Buka-Vaivade, Dmitrijs Serdjuks, Janis Sliseris, Andrejs Podkoritovs, Raimonds Ozolins

Abstract


Composite of such renewable material as timber and the most popular man-made material as concrete offers many benefits. Such of them are high load-bearing capacity with low dead load and increased structural bending stiffness. Higher specific strength of high-performance concrete in comparison with ordinary concrete ensures more efficient use of the material. Addition of fibres can reduce the fragility and autogenous shrinkage cracks of high-performance concrete and makes it possible to design thinner layers of concrete for timber-concrete composite structures. Ribbed slabs as solution for the floor slabs, allows to reduce material consumption and to integrate engineering communications into the structures. The current study focuses on determining the effect of the use of high-performance fibre reinforced concrete for timber-concrete composite ribbed slabs with adhesive connection between layers, as the most effective connection type for composite action. The effect of the use of high-performance fibre reinforced concrete is determined by comparison of mid-span displacements of the ribbed slabs numerical models. Three-dimensional finite element models of timber and ordinary concrete composite ribbed slab and high-performance fibre reinforced concrete with additional longitudinal reinforcement ribbed slab are validated by experiment data. Developed numerical models makes it possible to predict the dependence of applied load on mid-span displacement in three-point bending with sufficient precision. Obtained results showed, that replacement of ordinary concrete layer by high-performance fibre reinforced concrete in timber-concrete composite ribbed slab with adhesive connection up to 1.68 times decrease vertical mid-span displacements.

 


Keywords


finite element method, high-performance fibre-reinforced concrete, ribbed slab, timber-concrete composite, wood-concrete composite

Full Text:

PDF

References


J. Rodrigues, A. Dias and P. Providência, "Timber-concrete composite bridges: State-of-the-art review," BioResources, vol. 8, pp. 6630-6649, 2013. DOI: 10.15376/biores.8.4.6630-6649

A. Dias, J. Skinner, K. Crews and T. Tannert, "Timber-concrete-composites increasing the use of timber in construction," European Journal of Wood and Wood Products, vol. 74, pp. 443–451, 2016. DOI: 10.1007/s00107-015-0975-0

V. Bajzecerová, "Bending Stiffness of CLT-Concrete Composite Members - Comparison of Simplified Calculation Methods," Procedia Engineering, vol. 190, pp. 15-20, 2017. DOI: 10.1016/j.proeng.2017.05.301

M. V. Gravit, D. Serdjuks, A. V. Bardin, V. Prusakov and K. Buka-Vaivade, "Fire design methods for structures with timber framework," Magazine of Civil Engineering, vol. 85, pp. 92-106, 2019. DOI: 10.18720/MCE.85.8

J. Natterer, "A way to sustainable architecture by new technologies for engineered timber structures," Proceedings of the World Conference on Timber Engineering, 2004.

P. Croce, M. Beconcini, P. Formichi, F. Landi and D. Cardella, "Fatigue behaviour of composite timber-concrete beams," Procedia Structural Integrity, vol. 11, pp. 363-370, 2018. DOI: 10.1016/j.prostr.2018.11.047

M. N. Kirsanov, "Analytical assessment of the frequency of natural vibrations of a truss with an arbitrary number of panels," Structural Mechanics of Engineering Construc-tions and Buildings, vol. 16, pp. 351-360, 2020. DOI: 10.22363/1815-5235-2020-16-5-351-360

K. Buka-Vaivade, J. Sliseris, D. Serdjuks, L. Pakrastins and N. I. Vatin, "Rational use of HPSFRC in multi-storey building, " Magazine of Civil Engineering, vol. 84, pp. 3–14, 2018. DOI: 10.18720/MCE.84.1

K. Buka-Vaivade, J. Sliseris, D. Serdjuks, G. Sahmenko and L. Pakrastins, "Numerical Comparison of HPFRC and HPC Ribbed Slabs," IOP Conference Series: Materials Science and Engineering, vol. 660, Nr. 012054, 2019. DOI: 10.1088/1757-899X/660/1/012054

J. Sliseris and K. Buka-Vaivade, "Numerical Modelling of High Strength Fibre-Concrete’s columns in Multi-Storey Building," IOP Conference Series: Materials Science and Engineering, vol. 660, Nr. 012062, 2019. DOI: 10.1088/1757-899X/660/1/012062

K. Holschemacher and H. Kieslich, "Recent developments in timber-concrete composite," CLEM+CIMAD 2017, 2017.

S. Lamothe, L. Sorelli, P. Blanchet and P. Galimard, "Engineering ductile notch connections for composite floors made of laminated timber and high or ultra-high performance fiber reinforced concrete," Engineering Structures, vol. 211, Nr. 110415, 2020. DOI: 10.1016/j.engst

K. Holschemacher, S. Klotz and D. Weisse, "Application of Steel Fibre Reinforced Concrete for Timber-Concrete Composite Constructions," Lacer, pp. 161-170, 2002.

R. Vasiljevs, D. Serdjuks, J. Gerasimova, K. Buka-Vaivade and A. Orhun Erüz, "Behaviour of Timber-Concrete Joints in Hybrid Members Subjected to Flexure," IOP Conference Series: Materials Science and Engineering, vol. 660, Nr. 012050, 2019. DOI: 10.1088/1757-899X/660/1/012050

R. Vasiljevs, D. Serdjuks, K. Buka-Vaivade, A. Podkoritovs and N. Vatin, "Load-carrying capacity of timber-concrete composite panels," Magazine of Civil Engineering, vol. 93, pp. 60-70, 2020. DOI: 10.18720/MCE.93.6

V. Budovskis, "Analyse of load – currying capacity increase for timber subjected for flexure," M.S. thesis, Riga Technical university, Riga, Latvia, 2020.




DOI: https://doi.org/10.17770/etr2021vol3.6551

Refbacks

  • There are currently no refbacks.


SCImago Journal & Country Rank