Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/89437
Type of publication: Tezės kituose recenzuojamuose leidiniuose / Theses in other peer-reviewed publications (T1e)
Field of Science: Aplinkos inžinerija / Environmental engineering (T004)
Author(s): Skominas, Rytis;Gurskis, Vincas;Šadzevičius, Raimondas;Ramukevičius, Dainius
Title: Influence of defects on reliability of reinforced concrete retaining wall
Is part of: ICOSADOS 2016 : 7th International Conference on Safety and Durability of Structures, May 10-12, 2016, UTAD, Portugal : Book of Abstracts. Vila Real, 2016
Extent: p. 8-8
Date: 2016
Keywords: Reinforced concrete;Retaining wall;Defects;Reliabilit
ISBN: 9789892066769
Abstract: One of the main structures in earth dam hydro schemes is retaining walls, which purpose is to resist the lateral pressure of soil. Therefore, it is important for them to remain safe and reliable. For the achievement of this aim, it is important to determine the variation of structure safety under the influence of various defects occurring because of the impact of the environment. According to literature sources, the most objective safety of structure can be estimated by probabilistic method. Depending on this method, the random statistical dispersal of material and impact are estimated the same as the consequence class of structure. In order to evaluate the influence of these defects (concrete deterioration impacted by frost while forming of potholes as well as due to the attrition of the mechanical affect; concrete and steel corrosion) of reinforced concrete constructions upon the safety of structures, two variants of cantilever angle retaining wall were selected for the research. During the research it was estimated that the most dangerous defects for retaining walls are the decreasing thickness of structure (impact of cyclic freezing - thawing and attrition of ice and sediments) and corrosion of reinforcement (decreasing area of cross-section of reinforcement). The corrosion of concrete (decreasing strength of concrete) is not directly so important but it is connected with previous parameters. The weak concrete is not resistant to freezing - thawing and mechanical affects and in weak concrete carbonization process runs faster
Internet: https://hdl.handle.net/20.500.12259/89437
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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