AbstractAbout AuthorsReferences
Results of the determination of suitability of waste, thermally changed rock refuse of coal mining with a high potential reaction capability (PRC) for producing a filler of cement light concretes and mortars, by methods of measuring relative deformation of samples according to GOST 8269.0–97 «Crushed Stone and Gravel from Dense Rocks and Waste of Industrial Production for Construction Works. Methods of Physical-Mechanical Tests» are presented. As a filler in mortar bar specimens, a rock of the same color crushed till sand was used in one case, an ordinary mixture selected from the rock refuse (the ratio of fractions according to GOST 8269.0–97) and dissipated at fractions of 0–5, 5–10, 10–20 mm – in another case. To accelerate the appearance of possible corrosion, the samples of mortars (concretes) were hardened in different media and deformations were measured during the long time (up to 710 days).
G.A. KORABLEVA, Candidate of Sciences (Engineering),
S.V. VAVRENIUK, Corresponding Member of RAACS, Doctor of Sciences (Engineering)
S.V. VAVRENIUK, Corresponding Member of RAACS, Doctor of Sciences (Engineering)
Far Eastern Research, Design and Technological Institute of Construction, Branch of Federal State Budgetary Institution «Central Research and Design Institute of the Ministry of Construction, Housing and Utilities» of the Russian Federation (14, Borodinskaya Street, Vladivostok, 690033, Russian Federation)
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9. Rozental N.K., Rozental А.Н., Lyubarskaya G.V. Corrosion of concrete by reacting alkalis with silica aggregates. Beton i zhelezobeton. 2012. No. 1, pp. 50–60. (In Russian).
10. Safarov K.B. Use of reactive fillers for receiving the concrete permanent in hostile environment. Stroitel’nye materialy [Construction materials]. 2015. No. 7, pp. 17–20. (In Russian).
11. Lindgard Jan, Thomas Michael D. A., Sellevold Erik J. Pedersen Bard, Andic-Cakir Ozge, Justnes Harald, Ronning Terhe F. Alkali–silica reaction (ASR) – performance testing: Influence of specimen pretreatment, exposure conditions and prism size on alkali leaching and prism expansion. Cement and Concrete Research. 2013. No. 53, pp. 68–90.
12. Rossella Pignatelli, Claudia Comi, Paulo J.M. Monteiro. A coupled mechanical and chemical damage model for concrete affected by alkali–silica reaction. Cement and Concrete Research. 2013. No. 53, pp. 196–210.
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14. Pan J.W., Feng Y.T., Wang J.T., Sun Q.C., Zhang C.H., Owen D.R.J. Modeling of alkali–silica reaction in concrete. Frontier of Structural Civil Engineering. 2012. No. 6, pp. 1–18.
15. Lindgard Jan, Thomas Michael D.A., Sellevold Erik J. Pedersen Bard, Andic-Cakir Ozge, Justnes Harald, Ronning Terhe F. Alkali–silica reaction (ASR) – performance testing: Influence of specimen pretreatment, exposure conditions and prism size on concrete porosity, moisture state and transport properties. Cement and Concrete Research. 2013. No. 53, pp. 145–167.
For citation: Korableva G.A., Vavreniuk S.V. Rock refuse of coal mining with a high potential reaction capability in light mortars and concretes. Stroitel’nye Materialy [Construction mate- rials]. 2017. No. 1–2, pp. 78–81. DOI: https://doi.org/10.31659/0585-430X-2017-745-1-2-78-81. (In Russian).