Synergic influence of degrading mechanisms and induced loading by prestressing on the concrete: state of the art
Sign Up to like & getrecommendations! Published in 2021 at "Environmental Science and Pollution Research"
DOI: 10.1007/s11356-021-17151-9
Abstract: Since prestressed concrete is regarded as more durable and reliable than other construction materials, it is used in a variety of civil engineering applications, including nuclear plants, bridges, and concrete piles. However, as with other… read more here.
Keywords: influence degrading; synergic influence; state art; prestressed concrete ... See more keywords
Numerical modeling and simulation of a prestressed concrete containment vessel
Sign Up to like & getrecommendations! Published in 2018 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2018.06.039
Abstract: Abstract This work addresses the numerical modeling and simulation of prestressed concrete containment vessels (PCCVs) using the damaged-plasticity model for concrete and accounting for its interactions with the steel materials (i.e., the steel rebars, liner… read more here.
Keywords: modeling simulation; prestressed concrete; numerical modeling; concrete containment ... See more keywords
Evaluating prestress losses in a prestressed concrete girder railway bridge using distributed and discrete fibre optic sensors
Sign Up to like & getrecommendations! Published in 2020 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2020.118518
Abstract: Abstract This paper evaluates the data collected during a comprehensive monitoring campaign aimed at capturing the prestress loss behaviour of four 11.9 m prestressed concrete beams. These beams formed part of the superstructure of a newly-constructed… read more here.
Keywords: prestress loss; prestressed concrete; prestress losses; railway bridge ... See more keywords
Structural health evaluation of the prestressed concrete using advanced acoustic emission (AE) parameters
Sign Up to like & getrecommendations! Published in 2020 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2020.118860
Abstract: Abstract Acoustic emission (AE) is a promising technology for structural health monitoring to reduce costs and improve performance but hard to interpret. This paper puts forward an advanced deep neural network (DNN) method to dig… read more here.
Keywords: evaluation; structural health; acoustic emission; prestressed concrete ... See more keywords
Comparison of curved prestressed concrete bridge population response between area and spine modeling approaches toward efficient seismic vulnerability analysis
Sign Up to like & getrecommendations! Published in 2017 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2017.07.033
Abstract: Abstract This paper presents two finite element modeling approaches for seismic evaluation of curved precast-prestressed concrete (PSC) I-girder bridges and compares the results in a statistical and graphical manner. These approaches, including area and spine… read more here.
Keywords: area spine; prestressed concrete; bridge; area ... See more keywords
Residual strength of CFRP strengthened prestressed concrete bridge girders after hydrocarbon fire exposure
Sign Up to like & getrecommendations! Published in 2019 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2019.01.057
Abstract: Abstract Significant investigations have been conducted on the effect of extreme load events, such as earthquake, wind and flood on bridges, as compared to fire hazards, even though fire can cause significant economic and public… read more here.
Keywords: hydrocarbon fire; cfrp; concrete bridge; fire ... See more keywords
Time-dependent reliability analyses of prestressed concrete girders strengthened with CFRP laminates
Sign Up to like & getrecommendations! Published in 2019 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2019.109297
Abstract: Abstract This paper presents a time-dependent reliability analysis of prestressed concrete girders subjected to degradation caused by pitting corrosion. The procedure presented includes the effects of both spatial and temporal pitting corrosions on prestressing steel,… read more here.
Keywords: corrosion; prestressed concrete; time dependent; dependent reliability ... See more keywords
Behavior study of prestressed concrete wind-turbine tower in circular cross-section
Sign Up to like & getrecommendations! Published in 2021 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2020.111403
Abstract: Abstract In this work, we sought to study the behavior of prestressed concrete wind-turbine tower in circular cross-section. The idea was to use Genetic Algorithm to obtain a structural optimization of the projected tower. Thus,… read more here.
Keywords: turbine; wind; prestressed concrete; concrete wind ... See more keywords
Assessment of shear capacity of prestressed concrete members with insufficient web reinforcement using AASHTO LRFD general shear design method
Sign Up to like & getrecommendations! Published in 2021 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2021.112530
Abstract: Abstract The shear capacity assessment of in-service bridges has become a major challenge for practicing engineers due to the growing inventory of aging bridges. Specifically, a question arises for the applicability of the general shear… read more here.
Keywords: concrete members; shear capacity; shear design; aashto lrfd ... See more keywords
Numerical simulation of unbonded prestressed concrete beams using improved applied element method
Sign Up to like & getrecommendations! Published in 2021 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2021.112962
Abstract: Abstract This paper introduces a first attempt of numerical simulation based on the improved applied element method to predict the behavior of prestressed concrete beams with internal unbonded tendon. The multi-layered element is used for… read more here.
Keywords: improved applied; numerical simulation; element; applied element ... See more keywords
Experimental study on mechanical properties of prestressed concrete cylinder pipes (PCCPs) under external load
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Pressure Vessels and Piping"
DOI: 10.1016/j.ijpvp.2021.104365
Abstract: Abstract Prestressed concrete cylinder pipes (PCCPs) have been applied for various water conveyance projects recently, especially in long distance. PCCPs not only bear internal water pressures, but also external loads. The excess of external loads… read more here.
Keywords: cylinder; external load; study; load ... See more keywords