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Important Note – These are descriptions to changes implemented in WoodWorks Shearwalls for version 10.42 and may not reflect current behavior.
Released October 25, 2015 with Design Office 10, Service Release 4b.
Refer also to the changes for Version 10.41 which was distributed to only a limited number of users.
The building masses created from interior shearlines composed entirely of non-shearlines were not used to create seismic loads, nor was the mass included in the calculation of total mass of the structure for base shear calculations. This has been corrected and interior non-shearwalls now contribute to seismic weight.
Starting with version 9.2, manually input area building masses create a point seismic load in the direction defined by the start and end of the building mass, as well as the line seismic load in the perpendicular direction representing the distributed area mass in that direction.
The point load does not correspond to the actual distribution of mass and has been removed. In its place, there is a line load representing an area mass originating at the location of the building mass, and extending the tributary width that was input for the building mass. The tributary width used to create this load is the length of the input mass.
The program was using the wall height for hsx in Table 12.2-1 to determine the allowable story drift, rather than the wall height plus the joist depth. hsx is defined as the "story" height, and the value reported in the Story Drift table and defined in the legend below includes the joist depth.
This has been corrected and the calculation of allowable storey drift includes the joist depth in the calculation of hsx.
Upon exiting the program, it saved the changes made to Standard Walls that occur when changes are made to walls in the structure while "Design in Group" is checked. Therefore changes you might inadvertently make while modifying walls could affect the standard walls used for future sessions with other projects. Now, the program asks you whether you want to save the standard walls when exiting standard wall mode and when exiting the program. When exiting the program this prompt only appears if a wall has ever been modified in this way.
Previously, the program saved standard the standard wall file that is used for future sessions when saving a new standard wall, deleting a standard wall, leaving standard wall mode, or selecting a new standard wall in the drop down list in standard wall mode. It now only saves the standard walls when leaving standard wall mode and when exiting the program.
In the storey drift table, the program used to output Both to indicate, for example that the results apply to both E->W and W->E. However, this table also includes results from the other orientation, in this case N->S and S->N, so it was unclear what Both referred to. The program now says e.g. E<->W when indicating the results apply to both directions rather than Both.