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The program has been updated to conform to the 2018 International Building Code from the 2015 IBC.
No provisions are taken directly from IBC, but the IBC 2018 references the Special Wind Provisions for Wind and Seismic (SDPWS 2015) and the ASCE 7-16 design loads standard, both of which are implemented in Shearwalls 2019. The load combinations used by Shearwalls that are published in both the IBC and ASCE 7 have not changed.
The references to the edition of the IBC in the Welcome box, Building Codes box, About Shearwalls box, and the Design Results, Seismic Load Generation Details, Wind Load Generation Details, and Torsional Analysis Details output reports have been updated to 2018.
The program has been updated to conform to the 2016 ASCE 7 Minimum Design Loads for Buildings and Other Structures from the 2010 ASCE 7.
Refer to B. Update to ASCE 7-16 – Seismic Load Generation and Design (Feature 239) and 11. Update to ASCE 7-16 – Wind Load Generation (Feature 239) for the program changes corresponding to changes in design standard provisions.
The references to the edition of the ASCE 7 in the Welcome box, Building Codes box, About Shearwalls box, and the Design Results, Seismic Load Generation Details and Wind Load Generation Details output reports have been updated to ASCE 7-16.
The program has been updated to conform the 2018 National Design Specification for Wood Construction (NDS) and the 2018 NDS Supplement, from the 2015 NDS and Supplement. NDS 2018 is referenced from the 2018 IBC.
The reference to the edition of the NDS in the Building Codes box that is accessed from the Welcome box has been updated to 2018, and the links in the Help menu to the on-line edition of the NDS and Supplement lead to the 2018 editions.
The limited number of procedures in Shearwalls which come directly from the NDS, such as bolt elongation and nail withdrawal, have not changed for the 2018 edition.