English
Русский 5-15 p.
The creation of an environmentally friendly building material to protect the human environment can only be carried out from the position of a transdisciplinarity approach, taking into account modern achievements in geomimetics and micromechanics of composite media. A wide range of basalt-fiber-reinforced concrete based on composite binders has been developed, which have increased characteristics of impermeability and durability under extreme operating conditions. The nature of the influence of the composition and manufacturing technology of cement composites on the pore structure of the composite has been established, which has a positive effect on the characteristics of gas, water and vapor permeability. High early strength was obtained, which allows the use of materials for operational repair and construction in emergency situations. The positive influence of the composition of the developed composite on the performances has been proved. The water resistance of the modified composite provides a water pressure of 2 MPa for 148 hours, which corresponds to the W18 grade (for the control sample – W8), the frost resistance grade – F300. It was found that the water absorption of the modified concrete samples was lower than that of the control sample, which is explained by the decrease in the pore structure index λ by 28.4 times, and the average pore diameter by 3.05 times. The total pore volume of the modified concrete was lower and decreased with increasing dose of nanosilica.
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27. Hou P., Wang, K., Qian, J., Kawashima S., Kong D., Shah S.P.. Effects of colloidal nano-SiO2 on fly ash hydration. Cement and Concrete Composites. 2012. https://doi.org/10.1016/j.cemconcomp.2012.06.013
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37. Potapov V., Efimenko Yu., Fediuk R., Gorev D., Kozin A., Liseitsev Yu. Modification of Cement Composites with Hydrothermal Nano-SiO2. Journal of Materials in Civil Engineering. 2021. DOI: 10.1061/(ASCE)MT.1943-5533.0003964
38. Zhdanok S.A., Potapov V.V., Polonina E.N., Leonovich S.N. Modification of Cement Concrete by Admixtures Containing Nanosized Materials. Journal of Engineering Physics and Thermophy. 2020.
39. Tkachev A.G., Zolotuhin I.V. Apparatus and methods for the synthesis of solid-state nanostructures. M.: Mashinostroenie, 2007. 316 p. (rus.).
40. Potapov V., Efimenko Y., Fediuk R., Gorev D. Effect of hydrothermal nanosilica on the performances of cement concrete. Construction and Building Materials 2021. 269. 121307.
2. Lesovik V.S. Construction Materials. Present and future. Vestnik MGSU. 2017. 1. P. 9 – 16. (rus.)
3. Lesovik V.S., Fomina E.V., Aizenshtadt A.M. Some aspects of technogenic metasomatism in building materials science. Stroitel’nye Materialy. 2019. 1-2. P. 100 – 106. (rus.)
4. Lesovik V.S. Geonika (geomimetika). Examples of implementation in building materials science. Belgorod: Publishing house of BSTU im. V.G. Shukhova, 2016. 287 p. (rus.)
5. Bazhenov Yu.M., Proshin A.P., Yeremkin A.I., Korolev Ye.V. Extra Heavy Concrete for Radiation Protection. Stroitel’nyeMaterialy. 2005. 8. P. 6 – 8. (rus.)
6. Korolev Ye.V., Ochkina N.A., Bazhenov Yu.M., Proshin A.P. Radiation-protective properties of very heavy mortars based on high-alumina cement. Stroitel’nye Materialy. 2006. 4. P. 54 – 56. (rus.)
7. Strakhov V.L., Garashchenko A.N. Fire protection of building structures: modern means and methods of optimal design. Stroitel’nye Materialy. 2002. 6. P. 2 – 5. (rus.)
8. Kaprielov S.S., Travush V.I., Karpenko N.I., Sheinfeld A.V., Kardumyan G.S., Kiseleva Yu.A., Prigozhenko O.V. Modified high-strength concretes of B80 and B90 classes in monolithic structures. Part II. Stroitel’nye Materialy. 2008. P. 9 – 13. (rus.)
9. Constantinides G., Ulm F.-J., Van Vliet K.J. On the use of nanoindentation for cementitious materials. Materials and Structures. 2003. 36. P. 191 – 196.
10. Constantinides G., Ulm F.-J. The effect of two types of C-S-H on the elasticity of cement-based materials: Results from nanoindentation and micromechanical modeling. Cement and Concrete Research. 2004. 34. P. 67 – 80.
11. Cheng Y.T., Cheng C.M. Scaling relationships in conical indentation of elastic perfectly plastic solids. International Journal of Solids Structures. 1999. 36. P, 1231 – 1243.
12. Ganneau F.P., Constantinides G., Ulm F.-J. Dual-indentation technique for the assessment of strength properties of cohesive-frictional materials. International Journal of Solids Structures. 2006. 43. P. 1727 – 1745.
13. Donev A., Cisse I., Sachs D., Variano E.A., Stillinger F.H., Connely R., Torquato S., Chaikin P.M. Improving the density of jammed disordered packings using ellipsoids. Science. 2004. 303. P. 990 – 993.
14. Sloane. N.J.A. Kepler’s conjecture confirmed. Nature. 1998. 395. P. 435 – 436.
15. Oliver W.C. Pharr G.M. An improved technique for determining hardness and elastic modulus using load and displacement sensing indentation experiments. Journal of Materials Research. 1992. 7 (6). P. 1564 – 1583.
16. Ulm F-J., Constantinides G., Heukamp F.H. Is concrete a poromechanics material? A multiscale investigation of poroelastic properties. Materials and Structures. 2004. 37 (265). P. 43 – 58.
17. Ulm F.-J., Vandamme M., Bobko C., Ortega J.A., Tai K., Ortiz C. Statistical indentation techniques for hydrated nanocomposites: concrete, bone, and shale. Journal of American Ceramic Society. 2007. 90 (9). P. 2677 – 2692.
18. Cariou S., Ulm F.-J., Dormieux L. Hardness-packing density scaling relations for cohesive-frictional porous materials. Journal of Mechanics Physic Solids. 2008. 56. P. 924 – 952.
19. Bobko C.P., Gathier B., Ortega J.A., Ulm F.-J., Borges L., Abousleiman Y.N. The nanogranular origin of friction and cohesion in shale – A strength homogenization approach to interpretation of nanoindentation results. International Journal of Numerical Analysis Methods Geomechanics. 2011. 35. P. 1854 – 1876.
20. Vandamme M., Ulm F.-J., Fonollosa P. Nanogranular packing of C-S-H at substochiometric conditions. Cement and Concrete Research. 2010. 40. P. 14 – 26.
21. Chen J.J., Sorelli L., Vandamme M., Ulm F.-J., Chanvillard G. A coupled nanoindentation/SEM-EDS study on low water/cement ratio Portland cement paste: Evidence for C-S-H/Ca(OH)2 nanocomposites. Journal of American Ceramic Society. 2010. 93. P. 1484 – 1493.
22. Salemi N., Behfarnia K. Effect of nano-particles on durability of fiber-reinforced concrete pavement. Construction and Building Materials. 2013. 48. P. 934 – 941.
23. detukasi A.O. Fadugba O.G., Adebakin A.O., Adetukasi I.H., Omokungbe O. Strength characteristics of fibre-reinforced concrete containing nano-silica. Materials Today: Proceedings. 2021. 38 (2). P. 584 – 589. https://doi.org/10.1016/j.matpr.2020.03.123
24. Konkol J., Prokopski G. Fracture toughness and fracture surfaces morphology of metakaolinite-modified concrete. Construction and Building Materials. 2016. 123. P. 638 – 648.
25. De Jong M.J., Ulm F.-J. The nanogranular behavior of C-S-H at elevated temperatures (up to 700 degrees C). Cement and Concrete Research. 2007. 37. P. 1 – 12.
26. Zhu W., Hughes J.J., Bicanic N., Pearce C.J. Nanoindentation mapping of mechanical properties of cement paste and natural rocks. Materials Characterization. 2007. 58. P. 1189 – 1198.
27. Hou P., Wang, K., Qian, J., Kawashima S., Kong D., Shah S.P.. Effects of colloidal nano-SiO2 on fly ash hydration. Cement and Concrete Composites. 2012. https://doi.org/10.1016/j.cemconcomp.2012.06.013
28. Hou P.K., Kawashima S., Wang K.J., Corr D.J., Qian J.S., Shah S.P. Effects of colloidal nanosilica on rheological and mechanical properties of fly ash-cement mortar. Cement and Concrete Composites. 2013. https://doi.org/10.1016/j.cemconcomp.2012.08.027
29. Sharma U., Singh L.P., Ali D., Poon C.S. Effect of particle size of silica nanoparticles on hydration reactivity and microstructure of C-S-H gel. Advanced Civil Engineering Materials. 2019. https://doi.org/10.1520/ACEM20190007
30. Singh L.P., Zhu W., Howind T., Sharma U. Quantification and characterization of C-S-H in silica nanoparticles incorporated cementitious system. Cement and Concrete Composites. 2017. https://doi.org/10.1016/j.cemconcomp.2017.02.004
31. John E., Matschei T., Stephan D. Nucleation seeding with calcium silicate hydrate – A review. Cement and Concrete Research. 2018. 113. P. 74 – 85. https://doi.org/10.1016/j.cemconres.2018.07.003
32. Abdolhosseini Qomi M.J. Combinatorial molecular optimization of cement hydrates. Nature Communications. 2014. 5 (4960). P. 1 – 10. https://doi.org/10.1038/ncomms5960
33. Cong X., Kirkpatrick R.J. 29Si and 17O NMR investigation of the structure of some crystalline calcium silicate hydrates. Advanced Cement Based Materials. 1996. 3. P. 133 – 143.
34. Lee, S.Y., Hyder, L.K., Alley P.D. Microstructural and mineralogical characterization of selected shales in support of nuclear waste respository studies. In: Bennet, R.H., Bryant, W.R., Hulbert, M.H. (Eds.), Microstructure of Fine-Grained Sediments, from Mud to Shale. Springer-Verlag, New York. 1991. P. 545 – 560.
35. Oliver W.C., Pharr G.M. Measurement of hardness and elastic modulus by instrumented indentation: Advances in understanding and refinements to methodology. Journal of Materials Research. 2004. 19 (1). P. 3 – 20.
36. Anstis G.R., Hantikul P., Lawn B.R., Marshall D.B. A Critical Evaluation of Indentation Techniques for Measuring Fracture Toughness: I, Direct Crack Measurements. Journal of the American Ceramic Society. 1981. 64 (9). P. 533 – 538.
37. Potapov V., Efimenko Yu., Fediuk R., Gorev D., Kozin A., Liseitsev Yu. Modification of Cement Composites with Hydrothermal Nano-SiO2. Journal of Materials in Civil Engineering. 2021. DOI: 10.1061/(ASCE)MT.1943-5533.0003964
38. Zhdanok S.A., Potapov V.V., Polonina E.N., Leonovich S.N. Modification of Cement Concrete by Admixtures Containing Nanosized Materials. Journal of Engineering Physics and Thermophy. 2020.
39. Tkachev A.G., Zolotuhin I.V. Apparatus and methods for the synthesis of solid-state nanostructures. M.: Mashinostroenie, 2007. 316 p. (rus.).
40. Potapov V., Efimenko Y., Fediuk R., Gorev D. Effect of hydrothermal nanosilica on the performances of cement concrete. Construction and Building Materials 2021. 269. 121307.
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