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Bridge and Suspension Cable
Radius of Gyration in Load Factor Design (LFD) Formulas
Radius of Gyration is used to compare how various structural shapes will behave under compression along an axis. It is used to predict buckling in a compression member or beam. And is denoted by r. Radius of Gyration is usually measured using the Millimeter for Length. Note that the value of Radius of Gyration is always positive.
Load Factor Design (LFD) formulas that make use of Radius of Gyration
f
x
Maximum Unbraced Length for Symmetrical Flexural Compact Section for LFD of Bridges
Go
f
x
Q Factor
Go
f
x
Steel Yield Strength given Q Factor
Go
FAQ
What is the Radius of Gyration?
Radius of Gyration is used to compare how various structural shapes will behave under compression along an axis. It is used to predict buckling in a compression member or beam. Radius of Gyration is usually measured using the Millimeter for Length. Note that the value of Radius of Gyration is always positive.
Can the Radius of Gyration be negative?
No, the Radius of Gyration, measured in Length cannot be negative.
What unit is used to measure Radius of Gyration?
Radius of Gyration is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Radius of Gyration can be measured.
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