Standards-Based Approaches of Ukraine and India to the Determination of Wind Loads
DOI:
https://doi.org/10.15407/scine22.01.070Keywords:
wind load, aerodynamic coefficient, low-rise building, Indian standard, Ukrainian standardAbstract
Introduction. The calculation of wind load on building structures is an indispensable component of modern building design, therefore, analyzing the experience of different countries of the world in this aspect is an important and relevant task.
Problem Statement. The main difficulty in taking wind load into account during design is the diversity of principles and approaches to its definition, which is based on national ideas and value system in different countries of the world.
Purpose. Comparison of applicable regulatory approaches to determining wind loads in Ukraine and India using the example of a low-rise industrial building with an analysis of the system of infl uencing factors and the degree of their consideration.
Materials and Methods. The research was conducted based on an analysis of the approaches of the applicable Ukrainian and Indian standards for determining wind loads. A low-rise industrial building of rectangular shape in plan with a gable roof was taken as the object of the study.
Results. It has been established that the applicable standards of Ukraine and India use a fundamentally similar model of wind load, which is supplemented by a system of correction factors to take into account local operating conditions. However, the Indian standard takes into account 12 factors of local conditions against 10 factors in the Ukrainian standard. The methodology for taking them into account differs qualitatively in these standards. At the same time, the value of the aerodynamic coefficient has a
quantitative level of correlation within 50 % according to the standards of both countries. For a low-rise industrial building with a gable roof, the finally determined level of wind load according to the standards of Ukraine and India differs by the amount for side facades — up to 25 %, for end facades — up to 40 %, for the roof — up to 30 %. The height wind profile for the Indian standard is flatter and has a quantitative correlation level within 50 % for heights up to 20 m above the ground.
Conclusions. The obtained results provide an opportunity to analyze the applicable national standards of Ukraine
and should be used for their improvement.
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