Vibrational process excited in foundation soils by the operation of industrial equipment and transport traffic causes dynamic vibrations of building structures located in proximity to industrial enterprises and transport communications, which leads to additional dynamic force in building structures and violations of sanitary and hygienic norms when operating premises designed, inter alia, for working personnel and passenger services. This causes the reduction of operational characteristics of structures such as cracking and local destructions. A computational model «the source of dynamic load (equipment of industrial buildings, moving automotive and railroad transport) — medium of load transfer (soil) — building structure (receiver of impacts)» to assess such impacts has been proposed. When formating computational schemes, a simplifying assumption on the discretization of the computational scheme based on the Dalembert principle has been taken into account. Solution of the motion equations must be sought in the decomposition by appropriate vibration forms. Some simplifications of the computational model to obtain numeric engineering observable results have been substantiated.
The simplified methodology to solve the problem of vibrations of bearing and enclosing structures of buildings and facilities impacted by vibrations spread in foundation soils under operating industrial equipment wheeled and railroad transport has been theoretically substantiated. The suggested methodology is based on the division of the structural scheme into separate core structures, dynamic support deviation calculation of which is to be performed sequentially. The calculation of building structures for vibrations caused by dynamic impacts of transport traffic and equipment operation can be used as a theoretical basis for the design and construction of buildings and facilities in order to ensure their safe operation.
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