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Computers and Concrete
  Volume 18, Number 2, August 2016 , pages 279-295

Development of fine grained concretes for textile reinforced cementitious composites
Esma Gizem Daskiran, Mehmet M. Daskiran and Mustafa Gencoglu

    A new innovative composite material is textile reinforced cementitious composite (TRCC). To achieve high flexural performance researchers suggest polymermodification of TRCCmatrices. In this study, nine readymix repair mortars commonly used in construction industry and the production of TRCC elements were examined. Mechanical properties such as compressive and flexural strength, drying shrinkage were studied. Being a significant durability concern, alkali silica reaction tests were performed according to related standards. Results showed that, some ready repair mortar mixes are potentially reactive due to the alkali silica reaction. Two of the ready mortar mixes labelled as non-shrinkage in their technical data sheets showed the highest shrinkage. In this experiment,researchers designed new matrices. These matrices were fine grained concretes modified with polymer additives; latexes and redispersible powders. Two latexes and six redispersible powder polymers were used in the study. Mechanical properties of fine grained concretes such as compressive and flexural strengthswere determined.Results showed that some of the fine grained concretes cast with redispersible powders had higher flexural strength than ready mix repair mortars at 28 days. Matrix composition has to be designed for a suitable consistency for planned production processes ofTRCCandmechanical properties for load-carrying capacity.
Key Words
    textile reinforced composite; durability; fine grained concrete; shrinkage; alkali silica reaction
Esma Gizem Daskiran,Mehmet M. Daskiran and Mustafa Gencoglu: Department of Civil Engineering, Istanbul Technical University, Istanbul, TURKEY

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