Increasing the seismic resistance of existing building in reconstruction

Authors

  • Adil Jabbar Abbas postgraduate student, Ukraine
  • T. D. Nikiforova Dr. Sc. (Tech.), Docent, Ukraine
  • M. V. Savytskyi Dr. Sc. (Tech.), Prof., Ukraine
  • Yu. O. Kozhanov Ph. D. (Tech.),Docent, Ukraine

Keywords:

seismic load, stress-strain state of the constructions, increase seismic resistance of the buildings, reinforced concrete frame, reconstruction, efficiency

Abstract

Annotation. The article presents the results of increasing seismic resistance of an existing building unfinished construction on the basis of analysis the stress-strained state of the elements frame of various variants of the location the calculation models building. Purpose. Search for a rational and effective variant to increasing seismic resistance of existing frame buildings. Methods. Simulation of the stress-strained state of the frame structures during reconstruction of a building by a finite element method for normal operation conditions and under the influence of seismic loading and a comparative analysis of various variants of increase of seismic resistance of a building. Results. The stress-strained state the structural elements of the building for various variants of increasing seismic resistance of the building by arranging additional vertical steel diaphragms of rigidity have been explored and the recommendations for their effective location have been developed. For comparing and choosing a rational variant of increasing seismic resistance of the buildings, a simplified method for evaluating the overall efficiency of their location is proposed and on the basis of it the most rational variant is determined. Scientific novelty. The regularities of the change of the stress-strained state the elements frame of an existing building under the action of seismic loads depending on the location of the vertical steel diaphragms of rigidity in relation to the center of gravity of the building are revealed. Practical value. The developed recommendations can be used in developing projects to increase the seismic resistance of existing buildings from a monolithic reinforced concrete frame.

Author Biographies

Adil Jabbar Abbas, postgraduate student

Department of Reinforce-Concrete and Masonry Constructions, State Higher Education Establishment “Pridneprovsk State Academy of Civil Engineering and Architecture”, 24-A, Chernishevskogo str., Dnipropetrovsk, 49600, Ukraine

T. D. Nikiforova, Dr. Sc. (Tech.), Docent

Department of Reinforce-Concrete and Masonry Constructions, State Higher Education Establishment “Pridneprovsk State Academy of Civil Engineering and Architecture”, 24-A, Chernishevskogo str., Dnipropetrovsk, 49600, Ukraine

M. V. Savytskyi, Dr. Sc. (Tech.), Prof.

Department of Reinforce-Concrete and Masonry Constructions, State Higher Education Establishment “Pridneprovsk State Academy of Civil Engineering and Architecture”, 24-A, Chernishevskogo str., Dnipropetrovsk, 49600, Ukraine, тел. +38 (0562) 4702-98

Yu. O. Kozhanov, Ph. D. (Tech.),Docent

Department of Reinforce-Concrete and Masonry Constructions, State Higher Education Establishment “Pridneprovsk State Academy of Civil Engineering and Architecture”, 24-A, Chernishevskogo str., Dnipropetrovsk, 49600, Ukraine

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Published

2017-08-30

Issue

Section

Innovative lifecycle technology of housing and civil, industrial and transportation purposes