Indirect determination of residual prestressing force in post-tensioned concrete beam

J Kraľovanec, M Moravčík, P Bujňáková, J Jošt - Materials, 2021 - mdpi.com
A diagnostic survey on the precast prestressed bridge Nižná confirmed significant
deterioration due to environmental distress. Evidently, decisive failures of the structure have …

State of prestressing analysis of 62-year-old bridge

J Kralovanec, F Bahleda, M Moravcik - Materials, 2022 - mdpi.com
Ageing infrastructure leads to the need for a proper assessment and final decisions
considering its state. In the case of prestressed concrete structures, knowledge of the …

Shear enhancement of rc beams using low-cost natural fiber rope reinforced polymer composites

Q Hussain, A Ruangrassamee, P Joyklad… - Buildings, 2022 - mdpi.com
The aim of this research work is to investigate the efficiency of newly developed Natural
Fiber Rope Reinforced Polymer (NFRRP) composites to enhance the shear strength of …

Flexural performance of CFRP textile-retrofitted RC beams using cement-based adhesives at high temperature

S Hashemi, R Al-Mahaidi - Construction and Building Materials, 2012 - Elsevier
Strengthening of concrete structures with epoxy-bonded FRP composites is suitable for
environments where the temperature is well below the glass transition temperature of the …

Verification of actual prestressing in existing pre-tensioned members

J Kraľovanec, F Bahleda, J Prokop, M Moravčík… - Applied Sciences, 2021 - mdpi.com
In the case of prestressed concrete structures, information about the actual state of
prestressing is an important basis for determining their load-carrying capacity as well as …

Cyclic loading test for reinforced concrete wall confined with prefabricated rectangular continuous hoops

MS Kim, SH Kim, SM Kang, J Lee - Journal of Building Engineering, 2024 - Elsevier
In the seismic design of reinforced concrete (RC) wall structures, the special seismic details,
which include lateral confinements with closed hoops and crossties developed with 135° …

Experimental and numerical study of strengthening of heat-damaged RC beams using NSM CFRP strips

A Jadooe, R Al-Mahaidi, K Abdouka - Construction and Building Materials, 2017 - Elsevier
An experimental and numerical study of eight reinforced concrete beams is reported in this
paper. In the experiments, two beams were normal temperature controls, and the other six …

Multiscale hydro-thermo-mechanical model for early-age and mature concrete structures

L Jendele, V Šmilauer, J Červenka - Advances in Engineering Software, 2014 - Elsevier
Temperature and early-age mechanical properties in hydrating concrete structures present a
significant risk for cracking, having a major impact on concrete durability. In order to tackle …

Strengthening of concrete column by using the wrapper layer of fibre reinforced concrete

P Koteš, M Vavruš, J Jošt, J Prokop - Materials, 2020 - mdpi.com
Structures and bridges are being designed on the proposed and requested design lifetime
of 50 to 100 years. In practice, one can see that the real lifetime of structures and bridges is …

Experimental and Numerical Investigation of Prefabricated Concrete Barrier Systems Using Ultra-High-Performance Concrete

A Khodayari, IM Mantawy… - Transportation research …, 2023 - journals.sagepub.com
The functionality and crashworthiness of concrete barriers in bridge systems can be affected
by the deterioration of the connection between bridge decks and concrete barriers. A set of …