The impact of heavy object on an underground structure when falling onto the ground surface

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At the objects of space infrastructure and at nuclear power facilities there are industrial structures, the main task of which is to protect a person, equipment or machinery from emergencies such as, for example, explosions, falling of various objects, fragments. In accordance with the requirements of the Federal Law “On the Protection of the Population and Territories from Natural and Technogenic Emergencies”, when calculating such structures, all types of loads corresponding to their functional purpose must be taken into account. So, for structures located in the area of a possible accident and the fall of space rockets, it is necessary to calculate for the fall of the destroyed parts of the rocket engine. For nuclear power plant facilities, such accidents occur when containers and other heavy objects fall on the ground, affecting underground structures located in the ground, and for civil defense protective structures built into the basement floors of buildings, it is necessary to consider situations in which the overlying floors of a building collapse when exposed to there is an air shock wave on them. Therefore, this problem is relevant, and in this study, a finite-element method for calculating an underground structure in a non-linear dynamic setting has been developed when a large overall object collides with the ground.

About the authors

Oleg V. Mkrtychev

Moscow State University of Civil Engineering (National Research University)

Author for correspondence.
ORCID iD: 0000-0002-2828-3693

Dr Sci. (Eng.), Professor of the Strength of Materials Department

26 Yaroslavskoye Shosse, Moscow, 129337, Russian Federation

Yury V. Novozhilov



Explicit Dynamics Expert and Head

46 Suzdalskaya St, Moscow, 111672, Russian Federation

Anton Yu. Savenkov

Moscow State University of Civil Engineering (National Research University)

SPIN-code: 8652-8088

postgraduate student, Strength of Materials Department

26 Yaroslavskoye Shosse, Moscow, 129337, Russian Federation


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Copyright (c) 2021 Mkrtychev O.V., Novozhilov Y.V., Savenkov A.Y.

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