Seismotectonic Deformation of the Lithosphere in the Pamir and Adjacent Territories

The article deals with issues related to the peculiarities of the formation and change in time of the stress-strain state of rock massifs as objects of active man-caused impact of engineering facilities, both surface and subsurface, hydrotechnical and road construction, mining operations, including development of mineral deposits by open-cut and underground methods. Arrays of rock formations have a wide range of properties that manifest themselves as hazardous natural geological events, and also under any technological influences to them, including the method of blasting destruction. The peculiarities of the behavior of such arrays consist in the combination of the characteristics of solid as elastic and plastic bodies, including brittle, and viscous-flowing bodies, and creep. Technological impact on the rock mass can lead to undesirable dangerous consequences both from the point of view of the object’s stability and safety, and the need for additional material costs to maintain the equilibrium in the new conditions. The identification of the potential area of permissible deformations and the conditions for the destruction of such an array of rocks, taking into account the time factor, is of practical interest for selecting effective parameters of mining technology that allow the prevention of dangerous undesirable consequences of destruction.

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Control of rock massifs state for sustainability of natural and man-caused slopes and underground structures under influence of contemporary seismic and tectonic processes

Melikulov

Salyamova

Gasanova

et al. 2021

J. Phys.: Conf. Ser.

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Crustal Seismotectonic Deformations in Central and Western Tien-Shan

Сычева

2021

J. Volcanolog. Seismol.

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Reconstruction of seismotectonic deformations of Asia in different layers of the Earth’s crust

Kuchay

2022

Russian Journal of geophysical technologies

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The calculation of seismotectonic deformations for different depth levels 1–15, 16–35, 36–70 km was performed according to the data of 1819 mechanisms of earthquake foci that occurred in Central Asia (φ = 25° – 60° N, λ=60° – 115° E) for the period from 1976 to the end of July 2020 with M>4.7. The orientation of the main axes of the strain tensor reconstructed from the mechanisms of earthquake foci with M>4.7 coincide at different depth levels with mainly submeridional and north-eastern shortening and varying elongation from sublatitude to north-western and near-vertical. The consistency of the orientation of the main axes of shortening and elongation reconstructed from seismological materials and from the published results of calculating GPS observations, is traced.

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Seismotectonic Deformation of the Lithosphere in the Pamir and Adjacent Territories

Cited by 3 publications

References 24 publications

Control of rock massifs state for sustainability of natural and man-caused slopes and underground structures under influence of contemporary seismic and tectonic processes

Control of rock massifs state for sustainability of natural and man-caused slopes and underground structures under influence of contemporary seismic and tectonic processes

Crustal Seismotectonic Deformations in Central and Western Tien-Shan

Reconstruction of seismotectonic deformations of Asia in different layers of the Earth’s crust

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