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- W4205096622 abstract "Renovation, restoration, remodeling, refurbishment, and retrofitting of build-ings often imply modifying the behavior of the structural system. Modification sometimes includes applying forces (i.e., concentrated loads) to beams that before were subjected to distributed loads only. For a reinforced concrete structure, the new condition causes a beam to bear a concentrated load with the crack pattern that was produced by the distributed loads that acted in the past. If the concentrated load is applied at or near the beam’s midspan, the new shear demand reaches the maximum around the midspan. But around the midspan, the cracks are vertical or quasi-vertical, and no inclined bar is present. So, the actual shear capacity around the midspan not only is low, but also can be substantially lower than the new demand. In order to bring the beam capacity up to the demand, fiber-reinforced-polymer composites can be used. This paper presents a design method to increase the concentrated load-carrying capacity of reinforced concrete beams whose load distribution has to be changed from distributed to concentrated, and an analytical model to pre-dict the concentrated load-carrying capacity of a beam in the strengthened state." @default.
- W4205096622 created "2022-01-26" @default.
- W4205096622 creator A5065174762 @default.
- W4205096622 date "2022-01-05" @default.
- W4205096622 modified "2023-09-24" @default.
- W4205096622 title "Strengthening of Reinforced Concrete Beams Subjected to Concentrated Loads" @default.
- W4205096622 doi "https://doi.org/10.20944/preprints202201.0041.v1" @default.
- W4205096622 hasPublicationYear "2022" @default.
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