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DESIGNING AND DETAILING OF BUILDING SYSTEMS. MECHANICS IN CIVIL ENGINEERING

APPLICATION OF PRESTRESSED SHELLS TO STRENGTHEN STRIP FOUNDATIONS

Vestnik MGSU 2/2012
  • Ter-Martirosjan Zaven Grigor'evich - Moscow State University of Civil Engineering (MSUCE) Doctor of Technical Sciences, Professor, Distinguished Scholar of the Russian Federation, Head of Department of Soil, Ground Foundation and Foundation Mechanics 8 (499) 261-59-88, Moscow State University of Civil Engineering (MSUCE), 26 Jaroslavskoe shosse, Moscow, 129337, Russia; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Pronozin Jakov Aleksandrovich - Tjumen' State University of Civil Engineering and Architecture Candidate of Technical Sciences, Associated Professor, Head of Department of Building Processes, Ground Foundations and Foundations 8 (3452) 43-49-92, Tjumen' State University of Civil Engineering and Architecture, 2 Lunacharskogo St., Tjumen, 625000, Russia; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Naumkina Julija Vladimirovna - Tjumen' State University of Civil Engineering and Architecture postgraduate student, Department of Building Structures 8 (3452) 43-49-92, Tjumen' State University of Civil Engineering and Architecture, 2 Lunacharskogo St., Tjumen, 625000, Russia; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 30 - 34

Effective method of strengthening of foundations of existing buildings by pre-stressed shells is considered in the paper. Advantages of the proposed strengthening method, its production technology and pre-conditions of its analysis are also presented. Presently, strengthening of ground foundations and foundations of buildings and structures is a relevant civil engineering challenge. It is driven by high intensity of restructuring and modernization of buildings and alteration of geological engineering conditions of the areas that are being built up. One of effective methods of strengthening of foundations of existing buildings represents arrangement of pre-stressed concrete shells with conventional steel or metal-free reinforcement. If compared with injection-based technologies, the proposed reinforcement method reduces the cost of construction work by 1.5 times, on average. Therefore, the per-unit cost of shell-based reinforcement of foundations is under 500 Russian roubles per 1 sq. m. of the building floor area. It is noteworthy that no restrictions are imposed on the operation of the building in the course of the above reconstruction, as the secluded backyard is the sole area that accommodates supplementary construction operations.

DOI: 10.22227/1997-0935.2012.2.30 - 34

References
  1. Mangushev R.A. Sovremennye svajnye tehnologii [Contemporary Pile Technologies]. Moscow, ASV, 2007.
  2. Patent 2380483 of the Russian Federation, MPK E 02 D 27/00. Foundation/ Ja.A. Pronozin, R.V. Mel'nikov. ¹ 2008124706/03; 2008, Bulletin # 3.

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