SP-324: Composites with Inorganic Matrix for Repair of Concrete and Masonry Structures

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Editors: Gianmarco de Felice, Lesley H. Sneed, and Antonio Nanni

Description

This SP is the result of two technical sessions held during the 2017 ACI Spring Convention in Detroit, MI. Via presentations and the resulting collection of papers, it was the intention of the sponsoring committees (ACI Committees 549 and 562 together with Rilem TC 250) to bring to the attention of the technical community the progress being made on a new class of repair/strengthening materials for concrete and masonry structures. These materials are characterized by a cementitious matrix made of hydraulic or lime-based binders, which embeds reinforcement in the form of one or more fabrics also known as textiles. The great variability of fabric architectures (for example, cross sectional area, strand spacing, and fiber impregnation with organic resin) coupled with the types of material used (aramid, basalt, carbon, glass, polyparaphenylene benzobisoxazole (PBO) and coated ultra-high strength steel) makes the characterization, validation, and design of these systems rather challenging. Irrespective of the reinforcement type (synthetic or ultra-high strength steel), the impregnating mortar is applied by trowel or spray-up. It should also be noted that fabric reinforced cementitious matrix and steel reinforced grout, in particular, are very different from other repair technologies such as FRC (fiber reinforced concrete) and UHPC (Ultra High-Performance Concrete) in that they utilize continuous and oriented reinforcement. In a sense FRCM and SRG can be viewed as the modern evolution of ferrocement.

Document Details

Publication Year: 2018

Pages: 200

ISBN: 9781641950053

Categories: Repair

Formats: PDF

Table of Contents

SP-324—1

Determination of Material Properties of TRC Under Cyclic Loads

Authors: Karoline Holz, Elisabeth Schütze, Patricia Garibaldi, and Manfred Curbach

SP-324—2

Comparative Assessment of the Tensile Behavior of Steel and Textile Reinforced

Mortar Systems

Authors: Costantino Menna, Alberto Balsamo, Gennaro Maddaloni, and Andrea Prota

SP-324—3

Experimental Characterization of Glass and Carbon FRCMs for Masonry Retrofitting

Authors: Enrico Garbin, Matteo Panizza, and Maria Rosa Valluzzi

SP-324—4

Acceptance Criteria for Concrete and Masonry Strengthening Using Fabric-Reinforced Cementitious Matrix (FRCM) and Steel Reinforced Grout (SRG) Composites

Authors: Mahmut Ekenel, Francisco De Caso y Basalo, and Antonio Nanni

SP-324—5

Confinement of Brick Masonry Columns with SRG Jackets

Authors: Lesley H. Sneed, Christian Carloni, Giacomo Fraioli, and Giulia Baietti

SP-324—6

Numerical Analysis of RC Beams Strengthened with SRG

Authors: Massimo Petracca, Guido Camata, Christian Carloni, Annalisa Napoli, Roberto Realfonzo, and Paolo Casadei

SP-324—7

Shear Performance of FRCM Strengthened RC Beams

Authors: Luciano Ombres and Salvatore Verre

SP-324—8

Confinement of Concrete Columns with SRG

Author: Christian Carloni, Mattia Santandrea, Imohamed Ali Omar Imohamed, and

Lesley H. Sneed

SP-324—9

Out-of-Plane Reinforcement of Masonry Walls with Steel Reinforced Grout

Author: Stefano De Santis and Gianmarco de Felice

SP-324—10

Experimental Study on the Performance of Textile Reinforced Masonry under Flexural Load

Authors: Dorothea Saenger and Michael Raupach

SP-324—11

In Plane Shear Behavior of Calcareous Masonry Panels Strengthened by FRCM

Authors: Margherita Stefania Sciolti, Francesco Micelli, Allen Dudine, and

Maria Antonietta Aiello

SP-324—12

Analysis and Comparison of EBR Techniques Applied to Masonry Vaults

Authors: Elvis Cescatti, Francesca da Porto, and Claudio Modena

SP-324—13

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

Authors: Paolo Casadei and Paolo Girardello

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