By Malucelli, Giulio; Marino, Francesco

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47-52, 0162-4075 Al-Zahrani,M. ; Maslehuddin; M, Al-Dulaijan; S. U. & Ibrahim, M. (2003). Mechanical properties and durability characteristics of polymer- and cement-based repair materials. Cement and Concrete Composites. Vol. 25, No. 4-5, (May-July 2003), pp. 527537, 0008-8846 American Concrete Institute. (1999). 1R-94. Compendium of case histories on repair of erosion-damaged concrete in hydraulic structures American Society for Testing and Materials, ASTM C 1138-97. (2002). Standard test method for abrasion resistance of concrete (underwater method), in: Annual Book of ASTM Standards, vol.

4. Auxiliary materials during wetting After 5 minutes, woven wool felts, wool abradant fabric and foam were placed on cellulose wadding, in order to remove excess liquid. Woven felts were then placed on the abrading table, protected with a transparent film. 1. (Fig. 5). Abrasion Resistance of High Performance Fabrics 43 Fig. 5. Abrading table with a transparent film before clamping the ring The specimens were subjected to abrasive wear for a predetermined number of rubs, the same as in determining abrasion resistance, in accordance with the standard:      1000, 5000, 25 000, 50 000 and 100 000.

0%, in addition to mortar with silica fume, epoxy mortar, polymer mortar and concrete with steel fiber. The application of RM consisted the steps of selecting points of application, cutting and scarification, dosage and application of the concrete itself. These steps are described in the work of Galvão et al (2011) and Kormann et al (2003). The points of application of the repair materials were selected in the spillway after complete observation of the degradation state of the dam and location of defects exposed in concrete blocks.

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