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2021.04.09

Space frame design structure

Space frame design structure

The bar section of the space frame structure should be determined according to the calculation of strength and stability. In order to reduce the calculated length of the compression rod and increase its stability, measures such as adding sub-rods and supporting rods can be adopted. The joints of the plate space frame and double-shell space frame made of steel mainly include cross plate joints, welded hollow spherical joints and bolted spherical joints. The cross plate joint is suitable for the space frame structure of the section steel rods. The connection between the rods and the node plate is connected by welding or high-strength bolts. Hollow ball joints and bolted ball joints are suitable for the space frame structure of steel pipe rods. The nodes of the single-layer shell space frame should be able to withstand bending internal forces. Generally, the steel consumption of the nodes accounts for 15-20% of the steel consumption of the entire steel space frame structure.