The form of grid nodes can be considered from different meanings. There will be different forms, but the basic grid node forms are still well summarized. Below, the editor of Jiangsu Huahai Steel Structure will briefly introduce the most commonly used grid node forms. to sum up.

(1) According to the position of the node in the grid, it can be divided into: intermediate node and support node.
(2) According to the connection mode of the nodes, it can be divided into: welding connection nodes, high-strength bolt connection nodes, welding and high-strength bolt mixed connection nodes.
(3) According to the structure of the node, it can be divided into: welded hollow spherical node. Bolt ball joints. Welded steel plate nodes. Welded steel pipe joints. The members directly meet the nodes.