| Autor: |
V.S. Shalaev, G. N. Fedotov, Yu.P. Batyrev, D.I. Potapov, I.V. Gorepyokin, Bmstu |
| Rok vydání: |
2021 |
| Předmět: |
|
| Zdroj: |
FORESTRY BULLETIN. 25:52-58 |
| ISSN: |
2542-1468 |
| DOI: |
10.18698/2542-1468-2021-4-52-58 |
| Popis: |
The search for approaches to assessment the water resistance of soil aggregates is conducted using the modified Andrianov method. It is shown that the kinetic equation of the first-order reaction could be applied to describe the aggregates destruction in standing water. Methods of formal kinetics at the same time are just partially applicable for the description of soil aggregates destruction because of a significant change in the reaction rate constant over time. In particular, the average constant of reaction rate is convenient for water resistance comparison of different aggregates samples. It is established that the main factors that determine the speed of aggregate destruction are trapped air, gases produced by anaerobic microorganisms as well as intra-aggregate connections and the velocity of water entering the aggregates. In the course of the conducted experiments, it is shown that water resistance assessment should perform on wet aggregates under the normal atmospheric pressure. It allows neutralizing the influence of trapped gases of microbial origin and providing the domination of intra-aggregate connections that sustain water resistance in wet aggregates of real soils. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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