Advancements in Anchor Technology in Civil Engineering

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An earthquake is a common phenomenon throughout the world and many of the world's most populated regions are affected by earthquakes each year. For the purpose of better protection of life and infrastructure research has been going on in the field of seismic retrofitting for much time. Several new techniques have been developed along with the refinement of the old ones. Many of these techniques employ post-installed anchor bars for the retrofitting purpose. Traditionally the anchor bar is attached to the concrete member by drilling a hole and the embedded anchor is held in place with the help of infill material knows as epoxy resin. Research in the past has focused very little on the anchor-infill assembly and the influence of mechanical properties of infill material on controlling the deformational response. Book presents the advances made in developing a new type of anchor-infill assembly, coupled with the optimized infill material properties, which are better able to control the deformational response of the post-installed anchor bar and are effective in reducing the residual displacements and damage caused in the surrounding concrete.