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© 2018 by SRC

Computers & Structures, Inc

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CSI produces five primary software packages and one plugin: ETABSSAP2000, SAFE, CSiBridgePERFORM-3D and CSiXRevit.


Each of these programs offers unique capabilities and tools that are tailored to different types of structures and problems, allowing users to find just the right solution for their work. SAP2000 is intended for use on civil structures such as dams, communication towers, stadiums, industrial plants and buildings. CSiBridge offers powerful parametric design of concrete and steel bridges. ETABS has been developed specifically for multi-story commercial and residential building structures, such as office towers, apartments and hospitals. The SAFE System provides an efficient and powerful program for the analysis and design of concrete slabs and foundations, with or without post-tensioning. PERFORM-3D is a highly focused nonlinear tool offering powerful performance-based design capabilities.


CSiXRevit is a plugin for Autodesk Revit® Structure that enables bi-directional data transfer to CSI Software products: SAP2000®, ETABS® and SAFE®.

Gold Sun

SADS v17

SADS 20 for CoP2013 Concrete Design

Structural Design for Slab, Beam, Column, Joint and Wall with Link to ETABS 2017

Gold Sun is pleased to announce the release of SADS Version 16.  Upgrades include:

  1.  Improved beam-column joint design in accordance with CoP2013 Amendments
  2.  Improved bi-directional link with ETABS.
  3.  Improved generation of data from ETABS.

Integrated Technical Software Pty Ltd

Space Gass - Analysis & Design to CoP2011


SPACE GASS is a general purpose structural analysis and design program for 2D and 3D frames, trusses, grillages and beams. It comes with a full complement of features that make it suitable for any job from small beams, trusses and portal frames to large high rise buildings, towers, cranes and bridges. Items such as graphical input, polar coordinates, elastic supports, pin-ended members, tension-only members, rigid member offsets, and non-linear analysis are all standard features.

To learn more about Space Gass, please visit

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