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Publications (21)
A Biztonságtudományi és Technológiai Kompetencia Központ 2021-ben ipari megbízhatóságra irányuló, kiterjedt kutatási együttműködést kezdeményezett az egyetemi szféra és az ipari partnerek között. Ennek keretében a Budapesti Műszaki és Gazdaságtudományi Egyetem Építőmérnöki Kar és a ZÁÉV Építőipari Zrt. új anyagok és technológiák felhasználásával in...
With the corrosion resistance of glass fiber reinforced polymer bars, the durability of concrete structures can be improved. The tensile strength of a glass fiber reinforced polymer bar is primarily dependent on the tensile strength of the fibers and the total cross sectional area of the fibers, which are determined by the nominal diameter of the b...
![Pull-out test setup for pretensioned specimens [7]](publication/385517471/figure/fig5/AS:11431281288519994@1730776861477/Pull-out-test-setup-for-pretensioned-specimens-7_Q320.jpg)
The bond between concrete and reinforcing steel bars in reinforced concrete structures is crucial. Prestressing strands with a diameter of 17.8 mm (0.7 in) transfer higher compression per unit area than smaller strands, improving moment capacity and shear strength and extending the girder span. However, limited research on the bond performance of t...
Bond strength in pretensioned members is a critical factor influencing the structural integrity and durability of concrete structures. This study explores the bond behavior in such members, focusing on the flexural bond, through detailed numerical modeling. Using a validated finite element (FE) model, both simple and tensioned pull-out tests were s...
![Bond stress–slip curve based on Model Code 1990 [16].](publication/367376874/figure/fig5/AS:11431281319303499@1742575455929/Bond-stress-slip-curve-based-on-Model-Code-1990-16_Q320.jpg)
The present research deals with the cyclic and standard pull-out resistance of deformed steel bars embedded in lightweight and normal concrete. This paper is a continuation of a previous paper, where the experimental results are detailed. In the present paper, the experimental results are set against the formulas and the diagrams provided by the Eu...
A magyarországi autópálya-hálózat 2003-tól kezdődő gyors ütemű fejlesztése szolgáltatta a műszaki igényt és teremtette meg egyben az üzleti lehetőséget egy új, előfeszített, üzemben előregyártott, hazai hídgerendacsalád kifejlesztésére. Az FI-150 hídgerendacsalád kifejlesztését a szükséges műszaki követelményeken túlmenően funkcionális, geometriai...
The topic of present research is the experimental investigation of pull-out resistance of
B500B-type ribbed reinforcing steel bars embedded in lightweight aggregate concrete (LWAC) under unidirectional cyclic loading. Only a limited amount of standardized data on bond strengths are available in the case of cyclic loading, especially for lightweight...
![Fig. 4 Bond mechanics of seven-wire strand [26]](profile/Mohammed-Abed-15/publication/346487867/figure/fig2/AS:963745627000832@1606786271396/Bond-mechanics-of-seven-wire-strand-26_Q320.jpg)
The bond-slip relationship between concrete and steel is significant in evaluating the nonlinear behavior of reinforced concrete structures. The force transmitted by the bond in reinforced concrete structures was studied numerically in high-strength, lightweight concrete with ribbed reinforcing steel bar or seven-wire strand, using ATENA 3D softwar...
Perfect bond between concrete and reinforcement, which is described by the bond-slip curve, is the basic assumption for reinforced concrete structures. When using special or new materials, detailed, experimental verification is necessary to thoroughly characterize the bond-slip behaviour. The fib Model Code 1990 (MC1990) and 2010 (MC2010) as well a...
Theory and practice of cement concrete pavement design, construction, maintenance and operation.
The paper deals with the assessment of damage in a lightly reinforced concrete beam using the measured values of the first natural frequency. The aim of the presented laboratory experiment was the experimental investigation of the relationship between the degree of cracking and the first natural frequency under defined deterioration conditions. As...
The paper deals with the assessment of damage in a lightly reinforced concrete beam using the measured values of the first natural frequency. The aim of the presented laboratory experiment was the experimental investigation of the relationship between the degree of cracking and the first natural frequency under defined deterioration conditions. As...
This paper deals with the circumstances of application of high-strength concrete in the Hungarian bridge construction industry in the mirror of adopting the Eurocode series. As a historical background, first a comparison has been carried out analysing the safety level of concrete bridge structures designed according to the Hungarian codes through t...
