Types Of Aluminum Alloy Truss

Types of aluminum alloy truss

  Triangular truss of aluminum alloy truss when the joint load is evenly distributed along the span, the axial force of the upper and lower chord of the triangular truss is large at the end and gradually decreases in the span. Triangular truss is often used in tile-roof truss because of the large difference in internal force of chord and unreasonable material consumption. Compared with trapezoidal trusses and triangular trusses, the stress of the members has been increased, and it is easier to meet the process requirements of some industrial plants when used in the roof truss. If the upper chords of the trapezoidal truss are parallel, it is a parallel string truss. The stress of the members is slightly less than that of trapezoidal trusses, but the types of web members are greatly reduced, so they are often used in Bridges and trestles.

  Polygonal truss of aluminum alloy truss

  Polygonal truss is also known as polygonal truss. The upper chord is located on the second parabola. If the upper chord is arched, the bending moment caused by the load between the nodes can be reduced, but manufacturing is more complicated. Under the action of uniform load, the shape of the truss is similar to the bending moment diagram of the simple supported beam, the axial force of the upper and lower chord is uniform, the axial force of the belly rod is small, and the materials used are less.

  Fasting truss of aluminum alloy truss

  The fasting truss is basically a polygonal truss without inclined belly, only the vertical web and the upper and lower strings are connected. The axial force distribution of the member is similar to that of the polygonal truss, but the bending moment at the end of the member changes greatly under the asymmetric load. Its advantage is that the nodes are less intersecting, which is convenient for construction and manufacturing.