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The image features a whimsical Halloweenthemed game board titled RISAJeopardy adorned with playful decorations like pumpkins and ghosts Each category-3

Unbraced Lengths

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How are Unbraced Lengths coordinated between RISAFloor and RISA-3D?

In a RISAFloor model the columns and beams can be assigned unbraced lengths, or the program may calculate them automatically. This unbraced length...

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What do the Unbraced Length commands Segment and Lbyy mean?

Aside from leaving an unbraced length blank or inputting a fixed distance, you can harness the program’s ability to use a limited intelligence for...

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What do the Unbraced Lengths represent?

Understanding unbraced lengths and how RISA software accounts for them is essential in the design of any project. In RISA there are three main types...

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How do Unbraced Lengths affect Analysis?

The axial compression and flexure strength of beams and columns is dependent on the spacing of elements which provide bracing along the length of...

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How to Assign a Wood Roof Member’s Unbraced Length in RISAFloor

In RISAFloor, the beams are susceptible to two forms of buckling; Euler buckling and lateral-torsional buckling. The unbraced length is determined in...

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How to Correctly Define Unbraced Lengths

There are four different values for Unbraced lengths in RISA-3D, RISA-2D and RISAFloor. Two are for axial calculations and two are for bending...

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