Related Products of 638-07-3, The transformation of simple hydrocarbons into more complex and valuable products via catalytic C¨CH bond functionalisation has revolutionised modern synthetic chemistry. 638-07-3, Name is Ethyl 4-chloro-3-oxobutanoate, SMILES is O=C(OCC)CC(CCl)=O, belongs to chlorides-buliding-blocks compound. In a article, author is Tandazo, Cristian Marcelo Valarezo, introduce new discover of the category.
Research on vibration control for glass fiber reinforced polymer reinforced concrete (GFRP RC) frames subject to seismic loading
Deterioration of concrete structures caused by corrosion of steel reinforcement is a significant problem worldwide with high remediation costs. This problem has been addressed by corrosion protection systems, which prevent chlorides from penetrating the concrete cover and reacting with steel reinforcement. However, these solutions are complex and require high maintenance costs. In this paper, we propose to add viscous dampers to GFRP RC frames to improve its energy absorption capacity under seismic loading. Three RC frames were designed; two GFRP frames, and one steel RC frame. The fundamental dynamic parameters of RC frames with and without viscous dampers were calculated and compared. Results show that GFRP and steel RC frames can reach a similar lateral deformation, but the former is more fragile, with failure occurring at the compression zone of beams. Our results show that the addition of viscous dampers reduces the lateral deformation and story drifts in the GFRP RC frames. Moreover, the energy dissipation of viscous dampers is more efficient at GFRP RC frames. We conclude that the ductility and energy dissipation capacity of GFRP RC frames can be improved by adding viscous dampers and high lateral confinement, which demonstrates better performance than steel RC frames.
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