SRG for Strengthening Reinforced Concrete and Masonry Structures: From Laboratory to Field Applications

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Title: SRG for Strengthening Reinforced Concrete and Masonry Structures: From Laboratory to Field Applications

Author(s): Paolo Casadei, Paolo Girardello

Publication: Special Publication

Volume: 324

Issue:

Appears on pages(s): 13.1-13.14

Keywords: Steel reinforced grout, UHTSS steel fibers, reinforced concrete, masonry. hydraulic lime based mortar, strengthening, seismic retrofit.

Date: 4/1/2018

Abstract:
Fiber-Reinforced Cementitious Matrix (FRCM) composites are becoming a widespread technology for the rehabilitation and strengthening of historic masonry and reinforced concrete structures due to some advantages that allow them to be a suitable alternative to Fabric-Reinforced Polymer (FRP) composites. In this work, a new family of FRCM composites system made of ultra-high strength steel cords installed with either hydraulic lime or cement based mortars named Steel Reinforced Grout (SRG) is presented. This paper briefly introduces to the main properties and mechanical characteristics of SRGs, and introduces case studies on masonry and reinforced concrete structures demonstrating the different field applications of this new and effective strengthening solution.