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Type of publication: research article
Type of publication (PDB): Straipsnis konferencijos medžiagoje Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or Scopus DB conference proceedings (P1a)
Field of Science: Mechanikos inžinerija / Mechanical Engineering (T009)
Author(s): Skominas, Rytis;Gurskis, Vincas;Ramukevičius, Dainius
Title: Investigation of expansive additive on properties of repair mortars
Is part of: Mechanika 2010 : 15th international conference, April 8-9, 2010, Kaunas, Lithuania: proceedings. Kaunas : Technologija, 2010, no. 15
Extent: p. 420-425
Date: 2010
Keywords: Concrete;Repair;Expansive additive;Bond strength;Frost resistance
Abstract: When building hydraulic structures in Lithuania, reinforced concrete (which is already 30-50 years old) was used for the construction of main structures. Presently, the technical maintenance and running repairs of CC2 and CC3 consequence class hydraulic structures arc carried out periodically; however, the majority of the CC1 consequence class structures are derelict. In order to stop the further deterioration of reinforced concrete structures, ihe repair is necessary to be carried out. When repairing reinforced concrete constructions, it is very important that the old concrete and new repair materials should bond well and form monolithic construction. Evaluating repair mortars were determined the influence of concrete surface roughness and expansive additive to the bond and to the frosl resistance of repair. The result show that mortars with expansive additive had created stronger adhesive relation with concrete. The bond strength of the samples increased approx. by 25%
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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