Registration Number
0214U000075,
0112U000027
, R & D reports
Title
The study of redistribution of stresses in the vicinity of underground workings by extraction of coal mine methane
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Head
Khapilova Nelly Sergeevna,
Registration Date
15-01-2014
Organization
Institute of Applied Mathematics and Mechanics of National Academy of Sciences of Ukraine
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An analytical solution of the mixed problem of elasticity theory for heavy transversely-isotropic strip lying on a perforated elastic foundation. Formulas are constructed for the components of the displacements vector and the stresses tensor acting in an elastic strip. On the basis of the analytical solution of the axisymmetric problem the methods of calculation of displacements on elastically fixed boundary of isotropic half-space are supposed, when a load of constant intensity applied in a circular area. In the case of an axisymmetric problem for transversely-isotropic half-space integral equation is investigated. Studied the stress- strain state of anisotropic rock massif in the vicinity of technological crack. It was obtained analytical dependence linking crack width with its power, angle to the horizon, the distance from the surface, physical and mechanical properties of rocks. The methods are developed for calculation of security zones and unloading zones formed near the horizontal cracks. The dependence of the filtration properties of the array from its stress-strain state in the vicinity of a vertical hydraulic fracture is established.
Product Description
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Алтухова Маріанна Леонідівна
Зальотов Владислав Всеволодович
Зенченков Андрій Вікторович
Федотов Сергій Миколайович
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2020-04-02
