of inertia:

Others

Other units may be used as well, as long as they are self-consistent. For example, sometimes the kilogram-force () unit is used to measure loads. In such a case, the modulus of elasticity must be converted to .

Structural deflection

Building codes determine the maximum deflection, usually as a fraction of the span e.g. 1/400 or 1/600. Either the strength limit state (allowable stress) or the serviceability

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