Present methods for AAR estimating
https://doi.org/10.31659/0005-9889-2022-612-613-4-5-15-24
Abstract
The paper considers the existing restrictions of the current edition of GOST 8269.0–97 «Crushed stone and gravel from dense rocks and industrial waste for construction work. Methods of physical and mechanical tests» in the evaluation of the reactivity of rocks and crushed stone of fundamental importance in terms of durability of buildings and structures made of concrete and reinforced concrete. The approaches to an estimation of reactivity of aggregates for concrete, established in normative-technical documents of the leading international and national standardization organizations, are shown. There has been analyzed the principle possibility of producing the algorithm of the complex estimation of the aggregates reactivity for concrete and choosing the strategy of reduction of the internal concrete corrosion risk depending on operating conditions, presumed service life and responsibility level of the structures.
About the Authors
V. R. Falikman
Research, design and technological institute of concrete and reinforced concrete (NIIZhB) named after A.A. Gvozdev, Scientific Research Center «Construction»
Russian Federation
Russian Federation
Doctor of materials science
e-mail: vfalikman@yandex.ru
P. N. Sirotin
Research, design and technological institute of concrete and reinforced concrete (NIIZhB) named after A.A. Gvozdev, Scientific Research Center «Construction»
Russian Federation
Russian Federation
Engineer
e-mail: pn.sirotin@yandex.ru
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For citations:
Falikman V.R., Sirotin P.N. Present methods for AAR estimating. Concrete and Reinforced Concrete. 2022;612-613(4-5):15-24. (In Russ.) https://doi.org/10.31659/0005-9889-2022-612-613-4-5-15-24
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