Roof Load Analysis Of Steel Structure

Such loads consist of the weights of the structural system itself and of all other material and equipment perma nently attached to the structural system.

Roof load analysis of steel structure.

Until recently analysis of complex structures proved to be difficult and consumed too much time. Live and dead loads listed in the building code for roofs and floors are approximations of distributed loads. Load combinations provide the basic set of building load conditions that should be considered by the designer. But these types of loads are considered only in the snow fall places.

Point loads occur when a weight is imposed on one spot in a structure like a column. The is 875 part 4 1987 deals with snow loads on roofs of the building. Chapter 2 resistance of cross sections. B for pipe steel.

The minimum snow load on a roof area or any other area above ground which is subjected to snow accumulation is obtained by the expression. The three major loads acting on the structure included. In order for a structure to be sound and secure the foundation roof and walls must be strong and wind resistant. 2 1 local buckling 2 2 classification 2 2 1 classes of cross sections 2 2 2 classification process.

We will consider only distributed loads. The main purpose of the analysis was to identify parts of the building which experienced high stresses. Snow load wind load and the structure s own weight. Typical design dead.

1 5 design basis for structural steelwork 1 6 steel structures eurocode 3 1 6 1 structural analysis 1 6 2 sway stiffness 1 7 steel design strength 1 8 structural integrity. Weights of permanent 1 equipment such as heating and air conditioning systems are usually obtained from the manufacturer. Snow loads constitute to the vertical loads in the building. Astm a36 fy 36 ksi for structural steel astm a615 gr 40 for 3 4 gr 60 for 5 and larger rebar steel astm a53 gr.

Staad pro tutorials analysis design of steel truss type 1 day 32 if you have any problem on staad pro or need any help comment on the video or contact. The photo below shows a truss girder painted gray supporting the roof of a gymnasium. Lateral loads roof diaphragm design shearwall design. Analysis of point loading is best left to engineers.

The load combinations in table 3 1 are recommended for use with design specifications based on allowable stress design asd and load and resistance factor design lrfd. Structural loads ppy the structure. The attachment of non structural elements is the. Ce 331 fall 2010 example.

Roof truss analysis 1 6 in this example a parallel chord steel roof truss is analyzed for typical dead and roof live loads.