PSI - Issue 20

Kuzmin S.A. et al. / Procedia Structural Integrity 20 (2019) 278–283

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Kuzmin S.A. et al. / Structural Integrity Procedia 00 (2019) 000–000

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Thus, there was determined the positive effect of processing of chips by impregnation "Silor-Ultra T" before putting into the composition of arbolite, which will allow to simplify the process of production of arbolitic products with improvement of their quality. 4. Conclusions 1. “Silor-Ultra KM” increases durability of M200 concrete at compression – by 28%, at a bend – durability of M200 concrete increases twice. 2. Modification of samples from an undegraded tree at compression increases durability by 35%. 3. Modification of samples from wood at a statistical bend increases durability more than by 14%. 4. Addition of the modifying additive “Silor-Ultra T” to composition of arbolite increases durability of samples almost twice. 5. Polymer additive “Silor-Ultra” improves mechanical and operational properties of structural materials and it is recommended for use in new construction and in restoration of degraded objects from these materials. 6. New experimental results of strength properties of wood and arbolite modified with “Silor Ultra” polymer additives were obtained. 5. References Egorova, A,D., Cuba, V,V., 2013. Arbolit based on the composite plaster binding substances from waste of the wood processing enterprises, Perspective materials in the equipment and construction (PMTS-2013): Materials of the First All-Russian scientific conference of young scientists with the international participation. Tomsk, 365-367. Egorova A, Krasilnikov, D., Gavrilyev, V., Kirillin, V., Kychkin, M., 2019,Wood concrete on the basis of Portland cement with silor-ultra additive. Norwegian Journal of development of the International Science 27, Oslo, Norway, 63-66. Gerard, B., Reinhardt, H.W., Breysse, B., 1997. Measured transport in cracked concrete. In: HW Reinhardt. RILEM Report no. 16.: penetration and permeability of concrete, 265-324. Kanematsu, M., Maruyama,I., Noguchi,T., Iikura, H., Tsuchiya,N., 2009. Quantification of water penetration into concrete through cracks by neutron radiography. Nucl Instrum Methods Phys Res A 605, 154-158. Korenkova, S, F., Karasyova, S,Ya., Rudakova, E, M., 2012. Polymer concrete on the basis of styrene. Bash. chemical Journal 4, 230-232. Kuzmin,S, A., Krasilnikov, D, A., Petrova, D,S., Sleptsova, M,E., Hon, Z, N., Nikitina,T, I., Nikolaeva, A, A., Everstova, A, A., 2016. Research of durability of structural materials, modified by polymeric Silor-ultra additive, Modern problems of construction and life support: safety, quality, power - and resource-saving: the collection of Articles IV of the All-Russian scientific and practical conference devoted to the 60 anniversary of Technical institute of the Northeast federal university of M.K. Ammosov, Yakutsk, 228-324. (in Russian) Kuzmin, S, A., Krasilnikov, D, A., Ruban, E, A., 2016. 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Mehta PK, 1999. Concrete technology for sustainable development. Concrete International 21, 47-53. ACI Committee 224, 1993. Causes, evaluation and repair of cracks in concrete structures, ACI committee report: Concrete repair manual 1R-93 Nanazashvili, I.H., 2019. Wood concrete - the effective construction material. Increase in Durability of Wood Concrete due to modification of a cement rock (electronic resource). Picandet, V., Khelidj, A., Bellegou, H., 2009. Crack effects on gas and water permeability of concretes. Cement and Concrete Research 39, 537 547. Wang, K.J., Jansen, D,C., Shah, S,P., Karr,A, F., 1997. Permeability study of cracked concrete. Cement and Concrete Research 27, 381–393. Wenting Le, Zhengwu Jiang, Zhenghong Yang, Nan Zhao , Weizhong Yuan, 2013. Self-Healing Efficiency of Cementitious Materials Containing Microcapsules Filled with Healing Adhesive: Mechanical Restoration and Healing Process Monitored by Water Absorption, PLoS One 8 (11), e81616. 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