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Diaphragm Anchorage Shear Force
The diaphragm shear force in plf shown at the top of a perforated shear wall in Elevation view, is divided by perforation factor Co to show the anchorage force needed for connections and collectors at that location according to SDPWS 4.3.6.4.1.1.
The force shown is V/L/Co, where V is the total shear force imparted to the wall and L is the total wall length.
Base Anchorage Shear Force
The shear flow in plf shown at the base of a perforated shear wall in Elevation view, intended to show the force used for design of collectors and connections, divided by the Co factor to comply with the SDPWS 4.3.6.4.1.1. This value is V / COSLi, where SLi is the sum of the shear wall segments, adjusting for narrow segments as per 4.3.4.3.
Important: This value does not represent the force used for shear wall design. The shear wall design force is presented in the text below a shear line showing the material specification, and is in the Shear Design table of the Design Results output.