MATEC Web Conf.
Volume 196, 2018XXVII R-S-P Seminar, Theoretical Foundation of Civil Engineering (27RSP) (TFoCE 2018)
|Number of page(s)||8|
|Section||Building Materials, Technologies, Organization and Management in Construction|
|Published online||03 September 2018|
Composite grouting mortar based on 3D-NKM - nanocrystalline inoculant
Moscow State University of Civil Engineering,
Yaroslavskoe shosse, 26,
2 Federal State Budget Educational Institution higher education "Russian University of Transport (MIIT)", ul. Obraztsova, 9, 127994 Moscow, Russia
3 Penza State Technological University, PenzSTU, travel Baidukova / st. Gagarin, d. 1a/11, 440039, Penza, Russia
Corresponding author: email@example.com
For the waterproofing of tunnels and the uniform distribution of space between the lining of tunnels and rock, composite injection solutions are used. To improve the physical and mechanical properties of cement composites, the nanoconstruction effect is used, which is possible when using nanoparticles with extended geometry. Nano-additives and nanomodifiers consisting of nanoparticles, both natural and artificial and technogenic, can be used for the production of cement-containing solutions and concretes. For example, under certain conditions nanocrystalline powder of oxides and hydroxides of aluminum to nanotechnogenic raw materials can be referred to wastes of technogenic origin. The paper investigated the effect of nano-additives-boehmite, which is a waste of production, to increase the strength and frost resistance of plugging materials made on the basis of cement when administered. It is established that the use of boehmite as an additive in cements leads to an increase in the strength properties of concrete and increase its frost resistance, which is a prerequisite for long-term and reliable operation of the composite solution. Thus, the composite solution modified by boehmite is the basis for the creation of plugging solutions
© The Authors, published by EDP Sciences, 2018
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