Calculation method of steel structure construction scheme

Steel structure building is not free to build, is the need to follow certain principles, especially in the design, every link needs through accurate calculation, can not have any error, if there is an error, will cause a great impact on the quality of steel structure, if because of design problems, that thed loss outweights the gain.

1. Calculation methods for steel structure design Some new limited software can partially consider the geometric nonlinearity and elastic-plasticity of steel. This allows for a more accurate analysis structure. Not all structures require the use of software: for typical structures, internal forces and deformations can be obtained directly from reference books such as Mechanics manuals. Simple structures are analyzed by manual calculation, complex structures require modeling and running programs as well as detailed structural analysis.
2.  Judgment of calculation results In order to correctly use the structural software, "engineering judgment" should also be made on the output results, such as evaluation of isotropic period, total shear force, deformation characteristics, etc. According to the "engineering judgment", the choice is whether to modify the model for reanalysis or modify the calculation results. Different software will have different application conditions. A beginner should know perfectly well. In addition, there is always a certain distance between the calculation in engineering design and the accurate mechanical calculation. In order to obtain a practical design approach, sometimes assumptions with large errors will be used, but for such errors, the safety of the structure will be ensured through "applicable conditions, concepts and structures". In steel structure design, "applicable conditions, concepts and structures" are more important than quantitative calculations.
3. determine whether the structure is suitable for steel structure steel structure is usually used in high-rise buildings, large span, complex shape, heavy load or crane, large vibration, high temperature workshop, high sealing requirements and need to move or frequent assembly and disassembly of the structure. Intuitively speaking: high-rise public buildings, large span public buildings, Bridges, television towers, warehouses, industrial plants and temporary buildings, etc. This conforms to the characteristics of the steel structure itself.
4. structure selection and layout in the whole process of steel structure design, should emphasize "conceptual design", which is particularly important in the stage of structure selection and layout. For some problems that are difficult to make accurate and reasonable analysis or are not specified in the specification, the layout and specific measures of the control structure can be determined from a global perspective based on the design ideas obtained from the mechanical relations between the whole structural system and its subsystems, failure mechanism, earthquake damage, test phenomenon and engineering experience. Conceptual design can be used to conceive, compare, and select quickly and effectively at an early stage. The structure scheme is easy to calculate by hand, the concept is clear, the qualitative analysis is correct, and it can avoid unnecessary complex operation in the stage of structure analysis.