Seismic retrofit of gravity load designed RC buildings using external steel concentric bracing systems

A Formisano, A Massimilla, G Di Lorenzo… - Engineering Failure …, 2020 - Elsevier
This paper discusses the seismic vulnerability of Reinforced Concrete (RC) buildings
designed to gravity loads only, which are representative of the Italian building stock mainly …

Modeling for complete stress-strain curve of circular concrete columns confined with steel spiral and FRP

Y Wei, K Miao, X Zhang, Y Zhou, K Zheng - Journal of Building Engineering, 2021 - Elsevier
The results of 153 specimens from an experimental study on fiber-reinforced polymer (FRP)
and steel spiral-confined (FRP-SS-confined) circular concrete columns were collected from …

Nonlinear analysis to investigate effect of connection type on behavior of steel plate shear wall in RC frame

M Bypour, M Gholhaki, M Kioumarsi, B Kioumarsi - Engineering Structures, 2019 - Elsevier
In the reinforced concrete (RC) structures with steel plate shear walls (SPSWs) as a lateral
resisting system, to obtain maximum capacity of SPSW, implementing proper connections …

Influence of the cross-sectional shape and corner radius on the compressive behaviour of concrete columns confined by FRP and stirrups

Y Wei, Y Xu, G Wang, X Cheng, G Li - Polymers, 2022 - mdpi.com
Axial compression tests were carried out on 72 FRP (fiber reinforced polymer)–stirrup
composite-confined concrete columns. Stirrups ensure the residual bearing capacity and …

Intervention cost optimization of bracing systems with multiperformance criteria

F Braga, R Gigliotti, R Laguardia - Engineering Structures, 2019 - Elsevier
In this paper a multiperformance optimization procedure to design dissipative bracing
systems controlling the structural performance while minimizing the intervention cost is …

Seismic isolation for protecting historical buildings: A case study

M D'Amato, R Gigliotti, R Laguardia - Frontiers in Built Environment, 2019 - frontiersin.org
The protection of cultural heritage from seismic risk is an open issue due to the difficulties in
finding technical solutions allowing a balance between their effectiveness and invasiveness …

A simplified method to predict torsional effects on asymmetric seismic isolated buildings under bi-directional earthquake components

R Laguardia, C Morrone, M Faggella… - Bulletin of Earthquake …, 2019 - Springer
The assessment of maximum displacement demand is a crucial point in the design of
seismic isolating systems, in particular when the non linear behaviour of devices is modeled …

Experimental study on axial compressive behavior of full-scale masonry columns strengthened with reinforced high ductile concrete (RHDC)

T Li, M Deng, M Jin, Y Zhang - Engineering Structures, 2022 - Elsevier
The present paper demonstrates the results of an experimental study on full-scale masonry
columns strengthened with reinforced high ductile concrete (RHDC) system. This technique …

Seismic retrofit of an existing RC building with isolation devices applied at base

M D'Amato, R Laguardia, R Gigliotti - Frontiers in Built Environment, 2020 - frontiersin.org
Nowadays, seismic retrofit through isolation strategy represents a consolidated technique of
protection against design earthquakes. This technique is also applied on existing structures …

Overstrength requirements to avoid brittle shear failure in RC slender beams with stirrups

G Campione, F Cannella - Engineering Failure Analysis, 2020 - Elsevier
In this paper, an analytical expression was derived for the prediction of shear strength of
slender reinforced concrete (RC) beams with stirrups. Failure occurring in B and D regions …