Published since 1923
DOI: 10.33622/0869-7019
Russian Science Citation Index (RSCI) на платформе Web of Science
  • BASES AND FOUNDATIONS, UNDERGROUND STRUCTURES
  • Calculation Of The Bearing Capacity Of The Foundation In The Karsted Territory
  • UDC 624.15:628.2
    doi: 10.33622/0869-7019.2023.01.51-57
    Elvira N. EGEREVA, egerevaen@mail.ru
    Varvara A. KIRPICHNIKOVA, varya.kirpichnikova@list.ru
    Moscow State University of Civil Engineering (National Research University), Yaroslavskoe shosse, 26, Moscow 129337, Russian Federation
    Abstract. The peculiarity of the calculation of the bearing capacity of a slab monolithic foundation of a sewage treatment plant located in the city of Sevastopol in the conditions of construction on a karsted territory is considered. This topic deserves special attention, since karst areas are widespread on the territory of Russia and belong to areas with special construction conditions. To prevent the collapse of a sewage treatment plant building in the event of the formation of a sinkhole and seismic impacts, it is necessary to take into account the interaction of the building structure and its base. For this purpose, a numerical calculation was performed and the possibility of the formation of a sinkhole in the most unfavorable places was modeled. As compensating constructive measures, the installation of monolithic slab foundations is proposed. According to the results of the numerical calculation of the bearing structure of the building for an emergency, carried out in the LIRA Soft software package, it was revealed that the collapse of the building will not occur as a result of the redistribution of the emerging forces. Monolithic reinforced concrete structures of the foundation are able to perceive all the loads acting on them and ensure the safe operation of the structure considered. The article shows that displacements greater in value than the initial ones do not occur as a result of the redistribution of forces during the normal operation of the object in bearing structures. It is also established that the maximum pressure under the foundation plate does not exceed the calculated resistance of the soil. Thus, a slab monolithic reinforced concrete foundation is able to compensate for the adverse impact of the possible formation of karst-suffusion sinkholes.
    Keywords: sewage treatment plants, foundation calculation, slab monolithic reinforced concrete foundation, karst sinkhole, karst funnel, redistribution of forces, software package LIRA Soft
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  • For citation: Egereva E. N., Kirpichnikova V. A. Calculation of the Bearing Capacity of the Foundation in the Karsted Territory. Promyshlennoe i grazhdanskoe stroitel'stvo [Industrial and Civil Engineering], 2023, no. 1, pp. 51-57. (In Russ.). doi: 10.33622/0869-7019.2023.01.51-57

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