EXAMPLE 2. FORMAL STUDY METAL CONSTRUCTION

EXAMPLE 2: 'DESIGN OF A METAL STRUCTURE' 20 So in this window check the color filter and select color or write its corresponding number, which appears in the properties by selecting a tick, in this case the color number 7. Then click on the " (+) with filter " command. Automatically in the right area of the window all the roof's tectrics are added to the list, i.e. those with colour 7, and then you click ok. You will notice that the members of the τεγίδes present in the vector are shown with a dotted line. By then right clicking, the load input window opens. In the value field type -0.2 and in the application select the General y-axis. You put a sign - because the permanents are applied in the downward direction, i.e. in the opposite direction to the universal y-axis. (You could of course also enter them in the local system of members with the appropriate sign). You then select the insert button to fill in the first row of the LC 1 loadings. In the same way, click on the second line, select the mobile loads at the top of the window, type -0.10 and press enter. Finally, repeat the same for the snow load. The final result that will be displayed is what you see in the picture above. By selecting ok, the loads you have specified will be applied to the corresponding members you had selected. You also have the possibility to view the loads in space through the "Showcommand After selecting the command, a new window opens through which you select the load and level for which you want to view the applied loads on the 3D vector. For example, turn on the snow - LC3 ON, levels 0,1, change the scale of the load to 1:200cm and in the display select the bloom.