MULTI-LAYER FABRIC REINFORCED CEMENTITIOUS MATRIX AND APPLICATION METHOD THEREOF
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United States of America Patent
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Dec 10, 2015
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Dec 10, 2015
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This disclosure provides an eco-friendly multi-layer fabric reinforced cementitious matrix (FRCM) enhanced by nanoparticles. The FRCM is developed for structural strengthening and/or repairing in reinforced concrete buildings. The FRCM consists of multi-layer fabrics as load-carrying and crack control components and a cementitious matrix as bedding for the fabric layers. The cementitious matrix is eco-friendly based on a main constituent of ground granulated blast-furnace slag (GGBS) and recycled glass cullets. Some additions, including nanoparticles, superplasticizer, hydroxy propyl methyl cellulose and/or starch ether, are added to achieve proper workability and rheology for application requirements, and to enhance fresh properties, mechanical properties and/or durability. Man-made fabric and natural fabric are embedded in the cementitious matrix with designated purposes of load carrying and crack control.
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