Radius of Gyration of a Square I Beam
Radius of Gyration of a Square I Beam formulas |
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\( k_{x} \;=\; \sqrt{ \dfrac{ w\cdot l^3 - h^3 \cdot \left( w - t \right) }{ 12 \cdot \left [ w\cdot l - h \cdot \left( w - t \right) \right ] } } \) \( k_{y} \;=\; \sqrt{ \dfrac{ 2\cdot s\cdot w^3 + h\cdot t^3 }{ 12 \cdot \left [ w\cdot l - h \cdot \left( w - t \right) \right ] } } \) \( k_{z} \;=\; \sqrt{ k_{x}{^2} + k_{y}{^2} } \) \( k_{x1} \;=\; \sqrt{ \dfrac { I_{x1} }{ A } } \) \( k_{y1} \;=\; \sqrt{ \dfrac { I_{y1} }{ A } } \) \( k_{z1} \;=\; \sqrt{ k_{x1}{^2} + k_{y1}{^2} } \) |
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Symbol | English | Metric |
\( k \) = radius of gyration | \( in \) | \( mm \) |
\( h \) = height | \( in \) | \( mm \) |
\( l \) = height | \( in \) | \( mm \) |
\( s \) = thickness | \( in \) | \( mm \) |
\( t \) = thickness | \( in \) | \( mm \) |
\( w \) = width | \( in \) | \( mm \) |