Tubular Steel Roof Truss Design

The present work includes designing roof truss components for an industrial building using conventional steel sections and tubular steel sections circular hollow section and selecting most suitable section according to its advantages and disadvantages.

Tubular steel roof truss design.

The same thing is true for the bridge of the truss. Note that the parallel chords need not be straight but can be curvilinear lending additional architectural variety to these structural elements. Design and comparison of steel roof truss with tubular section using sp. The site connection to the column is with 16mm diameter bolts using an angle cleat a further angle bracket at the top is used for the purlin attachment.

Advantages of tubular sections. Design results for howe truss for span of 35m. The more complex the truss framework is the greater quantity of these joints will be required. Based on the forces obtained the design of truss is performed using is 800 1984.

There are many ways of arranging and subdividing the chords and internal members. The fink truss offers economy in terms of steel weight for short span high pitched roofs as the members are subdivided into shorter elements. Other codes which are used are is 4923 1997 for design of hollow steel sections is 1161 1998 in design of tubular sections design results are given in table 1 and table 2. Tubular roof truss design hood roof.

Economy is achieved as strength to weight ratio is more. Finally the truss calculator will compute the best dimensional method to connect the pieces of the truss with steel joints and a bridge. 4 issue 02 2016 276 equal angle section but it hardly affect the percentage saving in steel. The eaves detail l is given at g where the rafters and the main tie tubes are fillet welded to an end plate.

Aspects of truss design for roofs truss or i beam. Bonnet roofing systems are basically a mansard roof backwards. While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses. A parallel chord truss typically uses tubular steel elements and two or more parallel chords much longer that the webs or struts as shown in figure 2.

Tubular steel roof truss. Just as there are many types of roofs with many roof parts there are many different types of roof trusses this extensive article explains through a series of custom truss diagrams the different truss configurations you can use for various roofs. These steel joints are needed to support the overall truss. This type of truss is commonly used to construct roofs in houses.