Numerical web-shear strength assessment of precast prestressed hollow core slab units
E Brunesi, R Nascimbene - Engineering Structures, 2015 - Elsevier
The shear strength of precast prestressed hollow core (PPHC) slabs is numerically
assessed for 200, 265, 320, 370, 400 and 500 mm thick units, the cross-sections of which …
assessed for 200, 265, 320, 370, 400 and 500 mm thick units, the cross-sections of which …
Failure by corrosion in PC bridges: A case history of a viaduct in Italy
P Colajanni, A Recupero, G Ricciardi… - International Journal of …, 2016 - emerald.com
Purpose The paper illustrates a viaduct collapse due to corrosion phenomena. Moreover, a
contribution to the issues related to both the control of existing structures and design …
contribution to the issues related to both the control of existing structures and design …
Shear capacity in concrete beams reinforced by stirrups with two different inclinations
P Colajanni, L La Mendola, G Mancini, A Recupero… - Engineering …, 2014 - Elsevier
A model for the estimation of shear capacity in Reinforced Concrete (RC) beams with web
reinforcement is provided by introducing a generalization of classical plastic Nielsen's …
reinforcement is provided by introducing a generalization of classical plastic Nielsen's …
Failure analysis of corroded RC beams subjected to shear-flexural actions
A Recupero, N Spinella, F Tondolo - Engineering Failure Analysis, 2018 - Elsevier
In this paper, the shear-flexural behaviour of corroded reinforced concrete beams is
investigated and analytically reproduced. A theoretical model, based on the limit equilibrium …
investigated and analytically reproduced. A theoretical model, based on the limit equilibrium …
Validation of a numerical method for predicting shear deformation of reinforced concrete beams
The objective of this paper is to validate a 2D nonlinear finite element (FE) model for
estimating the post-cracking shear deformation of reinforced concrete (RC) beams. The …
estimating the post-cracking shear deformation of reinforced concrete (RC) beams. The …
Increasing the shear capacity of reinforced concrete beams using pretensioned stainless steel ribbons
In this work, the second part of an experimental campaign investigating the efficiency of an
alternative retrofitting method for increasing the flexural and/or shear capacity in reinforced …
alternative retrofitting method for increasing the flexural and/or shear capacity in reinforced …
Shear strength degradation due to flexural ductility demand in circular RC columns
An analytical model was developed to estimate the shear-strength degradation and the
residual capacity of circular reinforced concrete (RC) columns subjected to seismic action …
residual capacity of circular reinforced concrete (RC) columns subjected to seismic action …
Increasing the flexural capacity of RC beams using steel angles and pre‐tensioned stainless steel ribbons
This article presents an experimental programme on reinforced concrete beams retrofitted
with steel angles and pre‐stressed stainless steel ribbons to increase their flexural strength …
with steel angles and pre‐stressed stainless steel ribbons to increase their flexural strength …
Increasing the capacity of existing bridges by using unbonded prestressing technology: a case study
External posttensioning or unbonded prestressing was found to be a powerful tool for
retrofitting and for increasing the life extension of existing structures. Since the 1950s, this …
retrofitting and for increasing the life extension of existing structures. Since the 1950s, this …
Influence of axial force and corrosion on failure of prestressed concrete structures considering MV interaction
MF Granata, A Recupero, G Culotta, M Arici - Engineering Structures, 2021 - Elsevier
Existing prestressed concrete structures suffer from degradation of prestressing for two main
reasons: a defect of the sheath infills (cement grout) of bonded tendons, and corrosion of …
reasons: a defect of the sheath infills (cement grout) of bonded tendons, and corrosion of …