Results 1 to 10 of about 29,843 (316)

Durability of FRP Reinforcements and Long-Term Properties

open access: yesSlovak Journal of Civil Engineering, 2020
Although fiber-reinforced polymers (FRPs) have achieved increasing popularity in strengthening concrete structures and reinforcing new ones, there is to date insufficient knowledge about their long-term behavior.
Gajdošová Katarína   +4 more
doaj   +1 more source

Causes of Failures in Circular Concrete Silo Walls, Particularly Under Environmental Influences

open access: yesSlovak Journal of Civil Engineering, 2021
The paper reports the results of a case study for achieving longer service life and increasing the environmental sustainability of concrete silos. Damage mechanisms in concrete silo walls, and respectively in cylindrical structures (e.g., chimneys ...
Bilčík Juraj   +3 more
doaj   +1 more source

Experimental Investigation of the Shear Resistance of Concrete Hinges Under a Biaxial Load

open access: yesSlovak Journal of Civil Engineering, 2020
Concrete hinges can withstand extremely high loads and rotations, while requiring only minimal maintenance. Their use is widespread, mainly in bridge construction, but they also find applications in the prefabrication of tunnel segments.
Havlíček Peter   +2 more
doaj   +1 more source

Research focused on low carbonation of concrete under old cement-based render

open access: yesActa Polytechnica CTU Proceedings, 2022
In-situ research and laboratory study of the concrete of old bridges shows that despite the low strength classes of concrete and the long time of exposure to CO2, it is possible to moderate the depth of their carbonation.
Peter Paulík   +3 more
doaj   +1 more source

Causes of Early-Age Thermal Cracking of Concrete Foundation Slabs and their Reinforcement to Control the Cracking

open access: yesSlovak Journal of Civil Engineering, 2017
This paper focuses on the causes and consequences of early-age cracking of mass concrete foundation slabs due to restrained volume changes. Considering the importance of water leaking through cracks in terms of the serviceability, durability and ...
Bilčík Juraj   +2 more
doaj   +1 more source

Application of GFRP Reinforcement in the Design of Concrete Structures and its Experimental Evaluation

open access: yesSlovak Journal of Civil Engineering, 2018
In the past, research on the use of FRP in civil engineering has been focused on strengthening existing structures where FRP reinforcements were applied to the surface of concrete elements. Recently, the application of FRP reinforcements has been studied
Gajdošová Katarína   +3 more
doaj   +1 more source

Control of Early-Age Cracking in Watertight Concrete Structures

open access: yesSlovak Journal of Civil Engineering, 2018
Considering the importance of leaking cracks in terms of serviceability and durability of watertight concrete structures, emphasis is placed on thermal movements and their effect on foundation slabs and walls.
Matiašková Lýdia   +2 more
doaj   +1 more source

Connections and Joints in Precast Concrete Structures

open access: yesSlovak Journal of Civil Engineering, 2020
The structural integrity of precast concrete structures mainly depends on the connections between the precast structural elements. The purpose of a connection is to transfer loads, restrain movement, and/or to provide stability to a component or an ...
Holly Ivan, Abrahoim Iyad
doaj   +1 more source

FEM analysis of FRP RC members [PDF]

open access: yesE3S Web of Conferences
The main reasons for choosing fiber reinforced polymer (FRP) materials in the process of designing reinforced concrete structures is their high strength and low weight-to-strength ratio.
Blaho Stanislav, Gajdosova Katarina
doaj   +1 more source

Comparison of methods for evaluation the resistance of slender columns strengthened with CFRP strips [PDF]

open access: yesE3S Web of Conferences
This paper focuses on strengthening slender columns using CFRP (Carbon-Fibre Reinforced Polymer) strips, emphasizing the inclusion of their contribution to the overall resistance. For slender columns, second-order effects must be considered.
Pecka Jan, Gajdosova Katarina
doaj   +1 more source

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