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网架结构是由复杂的杆件系统组成的高次超静定结构。其连接方式,在国内已建成的各种形式网的架结构中,绝大多数采用空腹钢球节点、钢板节点以及高强螺栓连接节点,少数网架采用了螺栓球节点。但采用钢管做网架节点则没有。吉林油田从1977年到现在已设计了17座网架结构,其中有5座采用了以短钢管为主体加上下封板的网架节点——钢管鼓节点.
The grid structure is a high-order statically indeterminate structure composed of complex rod systems. The connection method, in the domestic structure of the various forms of network has been built, the vast majority of the use of fast steel balls, steel nodes and high-strength bolted joints, a small number of grids using bolted ball nodes. However, the use of steel pipe as a grid node is not. Jilin Oilfield has designed 17 grid structure structures from 1977 to the present, among which 5 have adopted grid pipe nodes with short steel pipe as the main body and lower sealing plate—steel pipe drum nodes.