The impact of the progressive collapse of the concrete slab on concrete frames retrofit with frp

چکیده مقاله

One of these events is the progressive collapse caused by terrorist incidents, the small aircraft or vehicles Construction, manufacturing error and there. Progressive collapse of the building after the progressive destruction Ronan Point researchers drew attention after the collapse of the World Trade Center, research in this area Open wide. In the meantime, GSA regulations and UFC 4-023-03, guidelines and also Analytical method for increasing structural strength against this phenomenon have provided. In this study, we investigated the effect of retrofitting reinforced with FRP fibers. Structures three Position removed, corner column, sidebar and central column in two buildings with a roof slab Concrete and concrete slab placed no ceiling. The concrete slab roof intended impact and more The beams span that column they will be removed FRP is fiber reinforcement. In this analysis, the impact of FRP in reduced vertical displacement And removing columns in both listed as critical position will be discussed.

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