Mechanical performance evolution and life prediction of prestressed CFRP plate exposed to hygrothermal and freeze-thaw environments

G Xian, R Guo, C Li, Y Wang - Composite Structures, 2022 - Elsevier
The long-term prestressed loss of anchorage system and mechanical property evolution
play the significant role for the steel/concrete structures strengthened with prestressed CFRP …

Seismic retrofit schemes with FRP for deficient RC beam-column joints: State-of-the-art review

DA Pohoryles, J Melo, T Rossetto… - Journal of Composites …, 2019 - ascelibrary.org
This paper aims to review and critically assess experimental research efforts on the seismic
retrofit of existing reinforced concrete (RC) beam-column joints with fiber-reinforced polymer …

Seismic retrofit of reinforced concrete beam-column joints using various confinement techniques: A review

CB Ong, CL Chin, CK Ma, JY Tan, AZ Awang, W Omar - Structures, 2022 - Elsevier
The catastrophic seismic events have urged the need for effective retrofitting techniques for
the non-seismically designed structures built in the seismic active zone. The design and …

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 …

Computer vision-based automated stiffness loss estimation for seismically damaged non-ductile reinforced concrete moment frames

M Hamidia, A Ganjizadeh - Bulletin of Earthquake Engineering, 2022 - Springer
A novel automated image processing-based methodology is proposed for quantification of
stiffness degradation in non-ductile reinforced concrete moment frames after a seismic …

Computer vision-based quantification of updated stiffness for damaged RC columns after earthquake

M Hamidia, M Sheikhi, AH Asjodi… - Advances in Engineering …, 2024 - Elsevier
Concrete surface cracks are one of the primary indicators of structural deterioration; thus,
crack analysis is crucial to maintain the intact serviceability of the structural components …

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) …

Mechanical property evolution and life prediction of carbon fiber and pultruded carbon fiber reinforced polymer plate exposed to elevated temperatures

C Li, G Xian - Polymer Composites, 2020 - Wiley Online Library
The fire resistance of carbon fiber reinforced polymer (CFRP) composite is a huge challenge
for strengthening and repairing structures in civil engineering. In the present study, the …

Seismic behaviour of Exterior RC beam-column joints repaired and strengthened using post-tensioned metal straps

Y Helal, R Garcia, T Imjai, P Aosai… - Bulletin of Earthquake …, 2024 - Springer
Exterior beam-column joints are the most vulnerable part of substandard reinforced concrete
(RC) buildings and are often the first to be damaged during earthquakes. This article …

Seismic retrofit of deficient 3D RC beam–column joints using FRP and steel PT rods

MH Saghafi, A Golafshar - Materials and Structures, 2022 - Springer
The purpose of this paper is to evaluate the behavior of vulnerable joints of substandard RC
frames, improved by two different methods, 1-Shear and flexural retrofit of beam–column …