OpenBridge Modeler

Place Concrete Diaphragms for Steel Girders

Used to place end diaphragms for steel beam bridges. Opens when the Place Diaphragms tool is selected on the Home tab in the Superstructure group, and a steel beam group is selected.

Setting Description
Name Name for the Object
Top Width Top Width of the diaphragm measured normal to the support line
Bottom Width Bottom Width of the diaphragm measured normal to the support line
Height Height of the diaphragm. Enter minimum when used with crowned decks.
Offset from SupportLine Distance of the back face of the diaphragm from the support line. 0 places it right on the support line.
Left / Right Extension Extension is the distance beyond the CL of the outer most beams to which the diaphragm must extend
BlockOut Height, Length If blockouts are required for maintenance of bearings, the dimensions can be input here.
BlockOut Offset Distance from start of blockout from the backface of the diaphragm.If the blockout extends all the way to the backface input 0.
Bottom Slope Level or sloped to be Parallel to Diaphragm Top
Chamfer Dimension Only available when the Top and Bottom Width are the same. Will add chamfer with a 1:1 slope based on input dimension.