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English
Introduction. When designing a concrete composition depending on the type of structure, cement content is determined taking into account regulatory requirements for the minimum cement content depending on the operating environment. The maximum cement content is limited by economic indicators and technical conditions depending on the methods and conditions of work; the limitation on the amount of heat dissipation is not considered. Research objective: to develop a methodology for accounting for the heat dissipation of cement when assigning its consumption in concrete compositions for massive structures depending on their parameters and construction conditions. Methods. Experimental studies and analysis of regulatory documents and literary data on heat dissipation of cements and concretes. Modeling the parameters of temperature fields and stress fields depending on the class of concrete and its specific heat dissipation using the example of a foundation slab with specified dimensions and parameters of heat exchange with the environment. Results: An approach is proposed to standardizing the value of the maximum heat dissipation of concrete when designing a concrete composition for massive reinforced concrete structures. The article substantiates the position that the value of the level of tensile temperature stresses is less significantly affected by the concrete class than by its specific heat dissipation, since it is the heat dissipation of concrete that forms the temperature field and the temperature difference "center – top". Prevention of the risk of early cracking is associated not with slowing down heat dissipation, but with the value of specific heat dissipation, which determines the parameters of temperature fields, temperature gradients and stresses. The example shows that for a massive flat foundation slab with an accepted permissible level of tensile stresses of 0.67, the value of specific heat dissipation of concrete should not exceed 140 mJ / m3. A principle is proposed for determining the maximum class of concrete for compressive strength depending on the properties of cement. A dependence between the level of tensile temperature-shrinkage stresses and the criterion of thermal crack resistance of Zaporozhets I.D., independent of the concrete class, is revealed.
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[26] Xingwang Sheng, Shimiao Xiao, Weiqi Zheng, Ying Yang, Kunlin Ma, Hydration kinetics analysis of cementitious paste composites produced by binary and ternary binder materials for potential use in massive concrete structures. Case Studies in Construction Materials. 2023. 18. e02209. DOI: doi.org/10.1016/j.cscm.2023.e02209
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[28] Schackow A., Effting C., Gomes I.R., Patruni I.Z., Vicenzi F., Kramel C. Temperature variation in concrete samples due to cement hydration. Applied Thermal Engineering. 2016. 103. P. 1362 – 1369. URL: https://api.semanticscholar.org/CorpusID:112940995
[29] Aniskin N.A., Nguyen T.-C. Influence factors on the temperature field in a mass concrete. E3S Web of Conferences. 2019. 97. P. 05021.
[30] Sheng X. et al. Hydration kinetics analysis of cementitious paste composites produced by binary and ternary binder materials for potential use in massive concrete structures. Case Studies in Construction Materials. 2023. 18. P. e02209.
[31] Struchkova A.Y. et al. Heat dissipation of cement and calculation of crack resistance of concrete massifs. Magazine of Civil Engineering. 2018. 78. 2. P. 128 – 135.
[32] Tazawa E., Miyazawa. S. Influence of autogenous shrinkage on cracking in high strength concrete. 4 International Conference on High strength/High performance concrete. Paris, 1996. P. 321 – 329.
[2] Brusser M.I., Podmazova S.A. Design of heavy and fine-grained concrete compositions. Development paths. Concrete technologies. 2017. 9-10 (134-135). P. 24 – 28.
[3] Taranukha N.A., Vasiliev A.S. Algorithms and models in numerical design of composite media for specified characteristics for offshore structures. Scientific notes of Komsomolsk-on-Amur State Technical University. 2015. 1 (21). P. 81 – 86.
[4] Vasiliev A.S., Gulimova E.V. The need to automate the design of heavy concrete composition using antifreeze admixtures. Potential of modern science. 2014. 1. P. 20 – 24.
[5] Dvorkin L.I., Dvorkin O.L. Development of the theory of designing cement concrete compositions. Part 1. Concrete technologies. 2011. 11-12 (64-65). P. 64 – 67.
[6] Dvorkin L.I., Dvorkin O.L. Development of the theory of designing cement concrete compositions. Part 2. Concrete technologies. 2012. 1-2 (66-67). P. 59 – 63.
[7] Dobshits L.M. Ways to improve the durability of concrete. Construction materials. 2017. 10. P. 4 – 9.
[8] Dvorkin L.I., Dvorkin O.L. Evaluation of the efficiency of admixtures in the design of concrete compositions. Part 3. Concrete technologies. 2011. 9-10 (62-63). P. 36 – 37.
[9] Kovshar S.N., Babitsky V.V. Design of concrete composition taking into account its frost resistance. Bulletin of the Belarusian National Technical University. 2010. 3. P. 15 – 20.
[10] Erofeev V.T., Elchishcheva T.F., Vatin N.I. et al. Design of external wall structures of buildings under adverse environmental influences. Industrial and civil engineering. 2020. 8. P. 4-15. DOI 10.33622/0869-7019.2020.08.04-15
[11] Kovshar S.N., Ryabchikov P.V., Gushchin S.V. Assessment of the thermal stress state of a concrete massif. Science and Technology. 2021. 20. 3. P. 207-215. DOI 10.21122/2227-1031-2021-20-3-207-215
[12] Zaychenko N.M., Serdyuk A.I. Concretes with high ash content for massive reinforced concrete structures. Bulletin of the Donbass National Academy of Civil Engineering and Architecture. 2013. 1 (99). P. 137 – 144.
[13] Rahimi A., Noorzaei J. Thermal and structural analysis of roller compacted concrete (R.C.C) dams by finite element code. Australian Journal of Basic and Applied Sciences. 2011. 5. P. 2761 – 2767.
[14] Sheng X. et al. Experimental and finite element investigations on hydration heat and early cracks in massive concrete piers. Case Studies in Construction Materials. 2023. 18. P. e01926
[15] Koryanova Yu.I., Nesvetaev G.V., Chepurnenko A.S., Sukhin D.P. On the issue of modeling temperature stresses during concreting of massive reinforced concrete slabs. Engineering Journal of Don. 2022. 6. P. 1 – 20. URL: ivdon.ru/ru/magazine/archive/n6y2022/7691
[16] Koryanova Yu.I., Nesvetaev G.V., Chepurnenko A.S., Sukhin D.P. Evaluation of some methods for calculating thermal stresses during concreting of massive reinforced concrete foundation slabs. Engineering Journal of Don. 2022. 7. P. 1 – 17. URL: ivdon.ru/ru/magazine/archive/n7y2022/7817
[17] Smolana A. et al. Early age cracking risk in a massive concrete foundation slab: Comparison of analytical and numerical prediction models with on-site measurements. Construction and Building Materials. 2021. 301. P. 124135.
[18] Semenov K. et al. Unsteady Temperature Fields in the Calculation of Crack Resistance of Massive Foundation Slab During the Building Period. Proceedings of EECE 2019. ed. Anatolijs B., Nikolai V., Vitalii S. Cham: Springer International Publishing, 2020. P. 455 – 467.
[19] Kumar M.P., Monteiro P.J.M. Concrete, microstructure, properties and materials. Mc Graw Hill. USA, 2001. 239 p.
[20] Wade S.A. et al. Evaluation of the maturity method to estimate concrete strength. ALDOT Research Project 930-590. 2008. 1. P. 307.
[21] Zeng Y. et al. Curing parameters’ influences of early-age temperature field in concrete continuous rigid frame bridge. Journal of Cleaner Production. Elsevier Ltd, 2021. 313. P. 127571.
[22] Solov'yanchik A.R., Pulyaev S.M., Pulyaev I.S. Study of heat dissipation of cements used in the construction of a bridge across the Kerch Strait. Bulletin of the Siberian State Automobile and Highway University. 2018. 15. 2 (60). P. 283 – 293.
[23] Bogdanov R.R., Ibragimov R.A. Process of hydration and structure formation of the modified self-compacting concrete. Magazine of Civil Engineering. 2017. 5 (73). P. 14 – 24. DOI 10.18720/MCE.73.2
[24] Starodubtsev A.A. Analysis of heat dissipation of concrete structures at the strength gain stage. Trends in the development of science and education. 2022. 84-2. P. 164 – 167. DOI 10.18411/trnio-04-2022-91
[25] Nesvetaev G.V., Koryanova Yu.I., Shut V.V. Specific heat dissipation of concrete and the risk of early cracking of massive reinforced concrete foundation slabs. Construction materials and products. 2024. 7 (4). 3. DOI: 10.58224/2618-7183-2024-7-4-3
[26] Xingwang Sheng, Shimiao Xiao, Weiqi Zheng, Ying Yang, Kunlin Ma, Hydration kinetics analysis of cementitious paste composites produced by binary and ternary binder materials for potential use in massive concrete structures. Case Studies in Construction Materials. 2023. 18. e02209. DOI: doi.org/10.1016/j.cscm.2023.e02209
[27] Riding K.A., Poole J.L., Juenger M.C.G., Schindler A. Modeling hydration of cementitious systems. ACI Materials Journal. 2012. 109 (2). P. 225 – 234.
[28] Schackow A., Effting C., Gomes I.R., Patruni I.Z., Vicenzi F., Kramel C. Temperature variation in concrete samples due to cement hydration. Applied Thermal Engineering. 2016. 103. P. 1362 – 1369. URL: https://api.semanticscholar.org/CorpusID:112940995
[29] Aniskin N.A., Nguyen T.-C. Influence factors on the temperature field in a mass concrete. E3S Web of Conferences. 2019. 97. P. 05021.
[30] Sheng X. et al. Hydration kinetics analysis of cementitious paste composites produced by binary and ternary binder materials for potential use in massive concrete structures. Case Studies in Construction Materials. 2023. 18. P. e02209.
[31] Struchkova A.Y. et al. Heat dissipation of cement and calculation of crack resistance of concrete massifs. Magazine of Civil Engineering. 2018. 78. 2. P. 128 – 135.
[32] Tazawa E., Miyazawa. S. Influence of autogenous shrinkage on cracking in high strength concrete. 4 International Conference on High strength/High performance concrete. Paris, 1996. P. 321 – 329.
Nesvetaev G.V., Koryanova Yu.I., Khezhev T.A. Heat dissipation of cement and design the composition of concrete for massive structures. Construction Materials and Products. 2025. 8 (1). 3. https://doi.org/10.58224/2618-7183-2025-8-1-3