MODERN APPROACHES TO SEISMIC HAZARD ASSESSMENT OF THE TERRITORY OF KAZAKHSTAN
Suleyev D.K. Uzbekov N.B. Sadykova A.B.
2022National Academy of Sciences of the Republic of Kazakhstan
News of the National Academy of Sciences of the Republic of Kazakhstan, Series of Geology and Technical Sciences
2022#1Issue 45199 - 104 pp.
These studies were carried out within the framework of non-competitive program-targeted funding on the topic: ‘Assessment of seismic hazard of territories of regions and cities of Kazakhstan on the modern scientific and methodological basis. 2021-2023’. The work presents the results of seismic hazard assessment, for the first time carried out on a new methodological basis, corresponding to the provisions of Eurocode 8 (EN 1998-1:2004) ‘Design of seismic resistant structures’ and coordinated with the modern maps of the general seismic zoning of countries of the EurAsEC and the Customs Union, for use in design and construction practice in Kazakhstan. The main distinctive elements are the probabilistic approach to the calculation of seismic hazard and the characterization of the hazard in the quantitative parameters of ground vibrations in addition to macroseismic characteristics. The result of the seismic hazard assessment is a set of maps that allows rational planning of civil and industrial developing of different areas and estimation of the total costs required for anti-seismic measures of a national scale. Such maps illustrate regional differences in the amplitude of ground oscillations with a constant recurrence period of seismic shaking (i.e., a constant probability of exceeding the seismic effect). The RK seismic zoning maps are of great practical value and are intended for the administrative bodies that regulate construction works of residential and industrial facilities, as well as for design and architectural organizations that develop documentation for earthquake-proof construction of civil and industrial structures and allow more efficient investment in capital construction, taking into account the available assessment of potential seismic hazard using bothMSK-64 scale points and engineering characteristics.
Active faults , Macroseismicity , Probabilistic assessment , Seismic setting , Seismic zoning maps , Seismotectonic model
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Institute of Seismology, Almaty, Kazakhstan
Institute of Seismology
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