Design with Load and Resistance Factor Design (Load and Resistance Factor Design) is based on the principle that the design strength value for all structural elements members is equal to or greater than the required strength calculated by with the loads and loading combinations mentioned in the regulation. The LRFD uses use different load increase coefficients factors for each load type combinations and different strength reduction coefficients factors for strength. It provides a uniform security.
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Structural
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Safety
The LRFD provides realistic structural safety thanks to the precise statistical studies performed in load estimation, determination of safety coefficients for the load combinations and is more economical due to plastic design rules.
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