Abstract
In the modern, rapidly developing world, polymeric materials are widely used. The results of various new studies allow them to be widely used as materials for new products, as well as to apply them when strengthening the supporting structures of buildings and structures.
 This article discusses the issue of increasing the carrying capacity of lap-joints using FRP sheets. The classification of various types of fiber-based composite materials is given. The mechanism of reinforcement of steel plates with fiber with the analysis of the work of a polymeric material is presented; loading diagrams of experimental samples are presented. The analysis of the obtained results allows us to conclude about the joint work of materials, as well as the possibility of using polymer materials based on carbon fiber to increase or restore the bearing capacity of metal structures. A review of studies of metal structures reinforced with carbon fiber in different countries is given. The results of tests conducted in different countries allow us concluding that polymeric materials can be used for structures subjected to cyclic loading, as well as dynamic effects.
Highlights
Rapidly developing world, polymeric materials are widely used
The results of various new studies allow them to be widely used as materials for new products, as well as to apply them when strengthening the supporting structures of buildings and structures
The analysis of the obtained results allows us to conclude about the joint work of materials, as well as the possibility of using polymer materials based on carbon fiber to increase or restore the bearing capacity of metal structures
Summary
Rapidly developing world, polymeric materials are widely used. The results of various new studies allow them to be widely used as materials for new products, as well as to apply them when strengthening the supporting structures of buildings and structures.
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