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Login and create a project
Learn how to sign in, create a project, and reach the calculation workspace where your design records are organized.
PaiaRetain User Guide
Learn PaiaRetain step by step.
Watch short tutorials covering project setup, beam flexural design, retaining wall design, and prestressed girder design.
Concrete beam
Beam flexural design
See how to set up a flexural design, enter beam inputs, run the calculation, and review the results.
Foundation and wall
Retaining wall design
Walk through wall geometry, soil and load inputs, materials, design checks, and project results.
Bridge girder
Prestressed girder design
Learn how to define the girder, prestressing, loads, and design criteria before reviewing the calculated results.
More tutorials coming soon. Future videos can cover shear design, bearing design, reports, and CAD/DXF output.