CSI ETABS NL V9.5.0
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For nearly 30 years ETABS has been recognized as the industry standard for Building Analysis and Design Software. Today, continuing in the same tradition, ETABS has evolved into a completely Integrated Building Analysis and Design Environment. The System built around a physical object based graphical user interface, powered by targeted new special purpose algorithms for analysis and design, with interfaces for drafting and manufacturing, is redefining standards of integration, productivity and technical innovation.

The integrated model can include Moment Resisting Frames, Braced Frames, Staggered Truss Systems, Frames with Reduced Beam Sections or Side Plates, Rigid and Flexible Floors, Sloped Roofs, Ramps and Parking Structures, Mezzanine Floors, Multiple Tower Buildings and Stepped Diaphragm Systems with Complex Concrete, Composite or Steel Joist Floor Framing Systems. Solutions to complex problems such as Panel Zone Deformations, Diaphragm Shear Stresses, and Construction Sequence Loading are now at your fingertips.

ETABS is the solution, whether you are designing a simple 2D frame or performing a dynamic analysis of a complex high-rise that utilizes non-linear dampers for inter-story drift control.

Here are some reasons why?:

Object based graphical modeling with unique finite element formulations and auto-meshing enable ETABS to accurately model floors and walls using finite elements as an alternative to rigid diaphragms. This provides important advantages: Accurate, automatic distribution of forces/ moments through slabs and walls for design, and the ability to check and design for axial force in beams - none of which is possible when using rigid diaphragms. No more error prone assumptions regarding uniform load distribution through floors, walls, and framing. Automatic calculation of floor and wall self-weight, mass and stiffness based on section properties.

Auto-meshing provides automatic transfer of gravity and lateral floor and wall loads, even with openings, overhangs, or variable thickness One integrated system - no more time consuming error prone transfer of results and models between different modules or programs for gravity and lateral load analysis and design. Concrete, composite beam, joists, steel design, drift all in one package.

Shear walls - ETABS integrates stresses into one area based on user specified pier or spandrel label. For example, if 8 wall finite elements have been assigned the same pier label, forces and moments will be integrated such that all 8 elements are treated as one (1) pier/column for reinforcement design, and in reporting of shears and moments. Among other advantages, this enables ETABS to treat multiple wall panels as one 3D section if desired. Torsion is automatically converted into shear. Uniform rebar or user pattern. Easily assign openings, variable thickness.