A New Method of Strengthening of Ice Blocks Formed under Conditions of Natural Cold

Goncharova, G. Yu.; Stepanov, R. O.; Razomasova, T. S.; Королев, И. А.; Turalin, D.O.; Kulagin, Yu. A.; Parshikov, Yu. G.

doi:10.1134/s1070363221130351

Cited by 2 publications

(1 citation statement)

References 6 publications

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“…The defects with the strongest effect on strength are micro-and macroscopic cracks, air bubbles and other discontinuities of material. It is the reason for the modest results of the efforts on ice strengthening using modifications of hydrogen bonds in ice by macro-and micro-scale additives and chemical doping taken in the last two decades [17][18][19][20][21]. So, the search for new ideas and approaches to ice strengthening still remains.…”

Section: Introductionmentioning

confidence: 99%

Ice Composites Strengthened by Organic and Inorganic Nanoparticles

et al. 2023

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Extensive development of the Arctic, rich in various natural resources, requires a lot of cheap ecologically safe construction materials preferably using local renewable sources. Ice being easily available in regions with a cold climate meets all the above criteria but has low strength, high fragility and a tendency to creep. Known strengthening techniques using macroscopic and microfiber additives have many drawbacks. This paper describes a new approach to ice strengthening by adding organic or inorganic 50–100 nm nanoparticles (NPs) to the water to be frozen and presents experimental results and possible mechanisms analysis of polycrystalline ice strengthening using NPs. Cellulose and silica NPs have been tested as typical representatives of such additives. Both are hydrophilic, ecologically safe, widespread, cheap and can be produced from local renewable raw materials. It is shown that the addition of 0.01 to 5 wt.% of NPs results in a reduction of ice composite average grain size by a factor of 5.3 ± 0.7 and an increase of its compression strength by a factor of 2.5 ± 0.3. The highest sensitivity of ice strength to NPs concentration is between 0.1 and 1 wt.%. In this concentration range, the increase in strength is reversely proportional to the square root of the average grain size. Experimental data fit Griffith’s relation better than Hall–Petch, so ice strength is limited by cracks with the length proportional to average grain size.

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Section: Introductionmentioning

confidence: 99%

Ice Composites Strengthened by Organic and Inorganic Nanoparticles

et al. 2023

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New technologies of ice roads construction to maintain the sustainable cold chain of supply in the northern regions of Russia

2023

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The article reviews the current state of winter ice roads (winter glacial roads) and presents data that confirm the necessity of their service life extension in order to maintain the uninterrupted cold chain of supply in the northern regions of Russia. The regulatory documents that regulate the design engineering and construction of winter ice roads are analyzed. The existing methods and technologies of winter roads construction have been analyzed. The possibility of using the geosynthetic materials for ice roads reinforcement is considered, as well as possible challenges arising from their use are exposed for consideration. The use of chemical modifiers for the creation of structural materials based on water ice is shown to be prospective and promising, especially in combination with the reinforcement of ice blocks. Modern approaches to choice of ice modifying compounds and materials for ice reinforcing are described, as well as criteria achieved on the basis of their application. The scientific studies confirming the possibility of a significant increase in the bearing capacity of glacial coverage and, as a result, an earlier start of their operation is carried out. It is shown that the combined use of reinforcement and ice modifiers allowed the ice sample to maintain its integrity even under exposure to significant deformation loads. The technical possibility of additional reinforcement of ice transport routes as a result of optimizing the modal parameters of their formation, depending on weather conditions, is also described.

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A New Method of Strengthening of Ice Blocks Formed under Conditions of Natural Cold

Cited by 2 publications

References 6 publications

Ice Composites Strengthened by Organic and Inorganic Nanoparticles

Ice Composites Strengthened by Organic and Inorganic Nanoparticles

New technologies of ice roads construction to maintain the sustainable cold chain of supply in the northern regions of Russia

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