Mechanical behavior of RC walls under seismic activity strenghtened with CFRP

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Mechanical behavior of RC walls under seismic activity strenghtened with CFRP

Author: Samiullah Qazi | Size: 10.8 MB | Format: PDF | Quality: Unspecified | Year: 2013 | pages: 197

Recent earthquake surveys have revealed the significance of RC walls as an integral part of structures. It reduces the structure damage to some extent. However, like other structural member they too are vulnerable. Researchers on basis of their post eartthquake survey and laboratary experiments have concluded that the RC wall buildings sustained damage, mainly due to design and construction work flaws. In this thesis experimental result of shear walls is discussed. They were designed under-reinforced to fail in shear in ase of short wall and in flexure for slender walls. Three out of these six specimens, in each case, were strengthened externally with CFRP strips bonded to wall panel and mesh anchors installed at wall foundation joint. Two specimens, one RC and one CFRP retrofitted (short and slender wall each), were subjected to static load test and three specimens, one RC and two to three CFRP retrofitted, were subjected to quasi static cyclic load tests. The test result analysis discussion includes failure mode, stiffness, ultimate load capacity, ductility, and energy dissipation

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