Multidimensional nonlinear numerical simulation of post‐tensioned concrete girders with different prestressing levels
Most of the Italian infrastructures have been built since the mid‐twentieth century.
Prestressed concrete (PC) has been widely used, especially for bridges and viaducts. These …
Prestressed concrete (PC) has been widely used, especially for bridges and viaducts. These …
[HTML][HTML] A fiber beam element based on plastic and damage models for prestressed concrete structures
Modeling of prestressed concrete beams and their degrading processes are relevant issues
in the assessment of existing structures and infrastructures, particularly for bridges. This …
in the assessment of existing structures and infrastructures, particularly for bridges. This …
Identification of sudden stiffness changes in the acceleration response of a bridge to moving loads using ensemble empirical mode decomposition
H Aied, A González, D Cantero - Mechanical Systems and Signal …, 2016 - Elsevier
The growth of heavy traffic together with aggressive environmental loads poses a threat to
the safety of an aging bridge stock. Often, damage is only detected via visual inspection at a …
the safety of an aging bridge stock. Often, damage is only detected via visual inspection at a …
Numerical study on the flexural performance of precast segmental concrete beams with unbonded internal steel tendons
This study presents a numerical investigation of the flexural performance of precast
segmental concrete beams (PSBs) with unbonded internal steel tendons. Numerical models …
segmental concrete beams (PSBs) with unbonded internal steel tendons. Numerical models …
Nonlinear finite element simulation of unbonded prestressed concrete beams
Prestressed concrete with internal unbonded tendons has been recognized as an excellent
structural option for beams and slabs and is employed worlwide. Numerical solutions for the …
structural option for beams and slabs and is employed worlwide. Numerical solutions for the …
Numerical modeling of externally prestressed steel–concrete composite beams
A finite element model to analyze externally prestressed steel–concrete composite beams
under short and long-term loads is developed. The nonlinear geometric effect is considered …
under short and long-term loads is developed. The nonlinear geometric effect is considered …
[HTML][HTML] Factors affecting moment redistribution at ultimate in continuous beams prestressed with external CFRP tendons
A numerical investigation of redistribution of moments in continuous concrete beams
prestressed with external carbon fiber reinforced polymer (CFRP) tendons at failure loads is …
prestressed with external carbon fiber reinforced polymer (CFRP) tendons at failure loads is …
Numerical analysis of bonded and unbonded prestressed RC beams using cohesive and non-compatible rod elements
This research presents a numerical approach to simulate prestressed RC beams. It
combines state-of-the-art finite element models to simulate the concrete (including fracture) …
combines state-of-the-art finite element models to simulate the concrete (including fracture) …
Flexural behavior of steel deep beams prestressed with externally unbonded straight multi-tendons
External prestressing is one of the most powerful techniques to retrofit and strengthen the
existing beams and columns. In this paper, the flexural behavior of deep beam prestressed …
existing beams and columns. In this paper, the flexural behavior of deep beam prestressed …
Prestress loss in unbonded prestressed concrete beams based on the strain reduction coefficient
PM Páez, B Sensale-Cozzano - Materials and Structures, 2024 - Springer
Based on the strain reduction coefficient methodology, which enables an analysis of a beam
with external or internal unbonded tendons as a beam with bonded tendons, and using the …
with external or internal unbonded tendons as a beam with bonded tendons, and using the …