Steel Plant Installation Process Requirements
Steel plant installation unified and standardized to reduce the workload of production and installation. For transverse steel plant, when the steel plant span of L ≤ 18m, the span should be in multiples of 3m; steel structure workshop span L> 18m span should be a multiple of 6m. Only in the special requirements of the production process, the steel plant span adopts 21m, 27m, 33m, etc. For longitudinal steel structure workshop, basic column spacing generally used 6m or 12m before, now steel structure workshop with materials of roof panel and wall panel adopting steel sheeting are increasingly widespread, often 18m or even 24m as a basic column spacing, and often 18m or even 24m as a basic column spacing. Middle columniation of multispan steel plant often because of technological requirements need to "pull the column", and the column spacing as the multiples of the basic column spacing, maximum up to 48m).
Temperature expansion joint is setted up: steel plant planar dimensions larger, and to generate horizontal and vertical deformation of the upper structure due to temperature changes, bending stress generated by the column, and may cause rupture of the roof panel and the wall panel. Therefore, in order to avoid excessive temperature deformation and temperature stress, horizontal or vertical setting temperature expansion joints in steel plant. The layout is mainly determined by the vertical and horizontal length of the steel plant, based on the use of empirical and theoretical analysis. Temperature expansion joints are the most common practice is to set the two-pillar.
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