Roof Deck Diaphragm Design Example

The roof diaphragm design example can go up against different style that when nitty gritty right can ooze a cutting edge feel.

Roof deck diaphragm design example.

This example illustrates the design of a large flexible diaphragm in a big box retail store subjected to lateral seismic loading. A line load reaction of this pressure is distributed to the top of the wall at the roof plane via the vertical spanning capacity of the cladding over height h. Figure 1 illustrates the basic concept for a roof and wall diaphragm. The roof structure consists of a panelized hybrid roof system which is very common in large diaphragm roofs in the seismically active western united states.

Design a roof deck for a length of l 500 ft. The manual includes pertinent design information considerations fastener information deck shear capacity tables and a plethora of highly relevant design examples stepping you through all the. The manual includes pertinent design information considerations fastener information deck shear capacity tables and a plethora of highly relevant design examples stepping you through all the. Design the diaphragm for wind loading using allowable stress design method.

The roof acting as a simple span horizontal girder of depth b distributes the wind line load as a shear reaction along the top of the end walls perpendicular to l. In figure 1 wind pressure on the walls parallel to length l act on the building. Main features roof diaphragm design example. A roof design gives the chance to extra floor space in the roof volume similar to a space or upper room space.

First off the roof diaphragm design example is an extremely basic direct and utilitarian design every single current trademark. The roof deck is a wr wide rib type panel with a panel width of 36. The sdi diaphragm design manual third edition is an excellent design reference every engineer should utilize if designing with steel deck diaphragms. Now let s work on an example.