Tube truss is a lattice structure composed of round bars connected to each other at the ends. This structure is characterized by the truss structure material economy, light weight structure, easy to form a variety of shapes to adapt to different purposes, such as can be made into a simple truss, arch, frame and tower.

In most cases, the rod in the pipe truss is only subject to axial tension or pressure, and the stress is evenly distributed on the cross-section, so it is easy to play the role of the material. These characteristics make the truss structure in many large-span stadium buildings, such as convention and exhibition centers, stadiums or other large public buildings have been widely used.

In recent years, with the continuous growth of my country's steel production, pipe trusses have been used more and more widely, and their proportion in buildings has become larger and larger. Industrial plants, automobiles and other industry equipment platform production lines, logistics warehousing, public buildings Gymnasiums, business clubs, high-speed rail platforms, subway platforms, high-rise commercial buildings, etc. are widely used.