STRUCTURAL ANALISYS OF CONCRETE PRE-STRESSED RESERVOIRS FOR SLUDGE FERMENTATION – WASTE WATER TREATMENT PLANT BUCHAREST – GLINA.

NUMERICAL FEM ASSESSMENT OF THE DYNAMIC STRUCTURAL RESPONSE

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Abstract

The paper refers to a structural finite element analysis on the reservoirs for sludge fermentation at Glina Waste Water Treatment Plant. The purpose was to assess the dynamic response of the structure, the stress and deformation states due to the design earthquake. A linearelastic analysis was performed, according to the Romanian actual codes, in order to verify the design provisions and to emphasize the sensitivities, for a structure which was designed by analytical procedures. The results obtained on the numerical models highlight the importance of the soil-structure interaction, in peculiar the one influenced by the soil mass deformability, on the overall structural response. Based on the results of the analysis, an in-situ measurement campaign for structural dynamic characteristics was initiated, taking advantage of the ongoing repair works with subsequent exhaustion and re-filling of reservoir No. 4.

References
  • [1]. Prişcu R., Stematiu D., (1980). Ingineria seismică a construcţiilor hidrotehnice, Chapter 4. Reservoirs, Elevated Water Tanks, Intake Towers. București: Ed. Didactică și Pedagocică.

  • [2]. Eurocode 8 EN. (1998). 4: 2006

Mathematical Modelling in Civil Engineering

The Journal of Technical University of Civil Engineering of Bucharest

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