Individual calculators
Standalone tools — enter your own variables. For multi-story force distribution and per-element design, use a Building project.
Beam Design
Bending, shear, deflection & bearing per NDS Ch. 3-4.
Open →Column Design
Axial compression, stability (CP) & combined loading per NDS 3.7-3.9.
Open →Diaphragm
Horizontal diaphragm unit shear & chord forces per SDPWS Ch. 4.
Open →Shear Wall
Segmented or perforated method per SDPWS 4.3.
Open →Connections
Yield-limit (Z), withdrawal & Simpson hardware per NDS Ch. 12.
Open →