Definition of Availability Index of Deformed Building Constructions Using the Finite _ Element Analysis Package

[摘要] The paper is devoted to the problem of definition of availability index of deforming building construction in atypical cases. The authors revealed a real applicability of the finite-elements analyses package, such as ANSYS, for engineering testing calculations of building constructions and determination of the sites of increased stresses. It was determined that stresses increased up to 7.75 times in the sites with mechanical defects (for steel crane girder); also, the authors revealed the convergence of the calculation results between the finite element method and a usual decision using the strength of materials (in the limits 2-14% for steel truss frame). The equivalent stresses don't exceed the maximum permissible tension for this type of steel. The building constructions have a limited availability index.

[发布机构] Department of Industrial, Civil Engineering, Geotechnics and Foundation Engineering, Platov South-Russian State Polytechnic University (NPI), St. Prosvescheniya, 132, Rostov region, Novocherkassk; 346428, Russia^1

[学科分类] 土木及结构工程学

[关键词] Building construction;Calculation results;Crane girders;Equivalent stress;Finite elements analysis;Mechanical defects;Steel truss