Efficacy and damage diagnosis of reinforced concrete columns and joints strengthened with FRP ropes using piezoelectric transducers

CG Karayannis, E Golias, MC Naoum, CE Chalioris - Sensors, 2022 - mdpi.com
Recent research has indicated that the implantation of a network of piezoelectric transducer
patches in element regions of potential damage development, such as the beam–column …

Cracking and fiber debonding identification of concrete deep beams reinforced with C-FRP ropes against shear using a real-time monitoring system

NA Papadopoulos, MC Naoum, GM Sapidis… - Polymers, 2023 - mdpi.com
Traditional methods for estimating structural deterioration are generally costly and inefficient.
Recent studies have demonstrated that implementing a network of piezoelectric transducers …

[HTML][HTML] Investigation of key parameters affecting the use of Ultra-High Performance Fiber Reinforced Concrete (UHPFRC) as strengthening material

SA Paschalis, AP Lampropoulos - Structures, 2024 - Elsevier
Abstract The use of Ultra-High Performance Fiber Reinforced Concrete (UHPFRC) for
strengthening applications is gaining increasing attention due to its advantageous …

Structural health monitoring of fiber-reinforced concrete prisms with polyolefin macro-fibers using a piezoelectric materials network under various load-induced stress

MC Naoum, NA Papadopoulos, ME Voutetaki… - Buildings, 2023 - mdpi.com
This experimental study investigates the influence of synthetic macro-fibers added in fiber-
reinforced concrete (FRC) prismatic specimens on their flexural response and overall …

Axial compressive behaviour of corroded steel reinforced concrete columns retrofitted with a basalt fibre reinforced polymer-ultrahigh performance concrete jacket

X Yang, B Zhang, A Zhou, H Wei, T Liu - Composite Structures, 2023 - Elsevier
Steel reinforced concrete (RC) members suffer from severe corrosion in some scenarios.
New techniques and materials are required for the timely rehabilitation of the deficient …

Numerical analysis exterior RC beam-column joints with CFRP bars as beam's tensional reinforcement under cyclic reversal deformations

VK Kytinou, PMK Kosmidou, CE Chalioris - Applied Sciences, 2022 - mdpi.com
In this paper the cyclic lateral response of reinforced concrete (RC) beam-column joints with
composite carbon fiber-reinforced polymer (CFRP) bars as a longitudinal reinforcement in …

Energy-based damage assessment of RC frames with non-seismic beam-column joint detailing using crack image processing techniques

M Kaboodkhani, H Bayesteh, M Hamidia - Engineering Failure Analysis, 2024 - Elsevier
Quantitative post-earthquake failure safety assessment of RC framed buildings with non-
ductile joints, as one of the most vulnerable structures, is presented in this study utilizing …

[HTML][HTML] Innovative fiber-reinforced polymer rope-based closed-form retrofitting methods applied in reinforced concrete T-shaped beams under torsion

AG Zapris, VK Kytinou, CE Chalioris - Polymers, 2024 - mdpi.com
The fiber-reinforced polymer (FRP) strengthening of reinforced concrete (RC) elements with
torsional deficiencies has not yet been extensively studied. Existing studies have primarily …

Shear strength formula for interior beam-column joints with plain bars in existing buildings

C Di Marco, G Frappa, MF Sabbà, G Campione… - Engineering …, 2023 - Elsevier
Beam-column joint behavior in Reinforced Concrete (RC) structures is a key issue for
earthquake engineering, because, under seismic loads, these elements are subjected to …

The shear strength of existing non-seismic RC beam-column joints strengthened with CFRP Sheets: Numerical and analytical study

AG Saad, MA Sakr, TM El-korany - Engineering Structures, 2023 - Elsevier
A key part of RC structure seismic performance is the effective distribution of earthquake
forces across all resistance elements through reinforced concrete (RC) beam-column (BC) …