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InquirySteel structure design should follow four steps:
The first, the structural scheme (conceptual design), which is the soul of steel structure design, choose what kind of structural scheme has a direct impact on the success or failure of the project.
The second, component layout, what kind of component layout, the distribution of each bearing point force, need to be strictly calculated.
The third, the shape of the section, which not only requires the structural parts to bear the maximum pressure, but also requires the shape of the section to have a sense of art in people's vision.
The fourth, the miniaturization of node construction, which requires that the structural parts are the most economical in cost and occupy the least space.
As shown in the figure above, the sphere has increased annular and longitudinal support, increasing the stiffness of the sphere, enhancing the deformation resistance of the sphere, and achieving the purpose of reducing the amount of steel used.
The quality of large steel structure roof structure directly affects the evaluation of the whole project. Overall, the five indexes to measure the quality of large span roof structure are:
Whether the material strength is fully developed;
Whether the push (pull) force treatment of support is reasonable;
Whether the cost of manufacturing and installation of steel structure is less;
Whether the span of the roof is large;
Whether the roof structure has artistic tension;
These five indicators are interrelated, such as whether material strength is fully developed and manufacturing, installation costs have a direct relationship, material strength only maximum play, is the most economic, cost will be reduced.