Hollow Section Roof Truss

Resistance of welds 1.

Hollow section roof truss.

Fem analysis of truss hollow section joint samir lemeš university of zenica. In this paper an attempt is made to derive economy by designing the truss by using tubular sections and comparing it with conventional steel sections. It is necessary to provide a longitudinal wind girder between braced gable ends in buildings where the roof trusses are not portalized. Ssab has developed a unique tool for its customers and designers for designing roof trusses with structural hollow sections.

Warren or pratt truss. 2 shows truss section analysed with fem software the. Truss analysed is a roof structure figure 2. Large scale hollow structural section hss truss tests have been done by dasgupta 1970 edwards and giddings 1974 de koning and wardenier 1979 ogle and kulak 1981 korol 1983 czechowski et al.

Introduction the structural elements made of circular or rectangular square hollow sections are usually used for lattice structures roof trusses and lattice. The general arrangement is similar to that described for a transverse wind girder. Generally chord members will be provided from hollow sections. Due to symmetry only one segment was analysed by means of fem software fig 1 shows the actual structure and fig.

Determining the efficiency of the design process as mentioned in the earlier chapters the efficiency of the single long span truss structure to the multi truss system could be measured by dividing the weight of the. Geometry loads and steel grades. Rectangular hollow section rhs braces and i or h section chord. Flat trusses with hollow structural sections module for cypecad its integrated 3d structures and cype 3d carries out an automatic analysis and design of coplanar hollow structural section connections like those which are usually provided in flat trusses even though the first version of the module only includes welded connections with circular sections more features will be.

With it it is possible to optimize the truss with just a few key parameters. Arched hollow section trusses in long span structures 121 4 2. The truss configurations used in. 1984 philiastides 1988 and frater and packer 1992 with additional analysis performed by coutie and saidani 1989 1991 on tests by philiastides 1988.