AASHTO LRFD, which stands for the American Association of State Highway and Transportation Officials Load and Resistance Factor Design, is a design methodology used in civil engineering for the design of bridges and other structures. This approach incorporates reliability and risk management principles, using load factors and resistance factors to ensure structures can withstand various loads, including those caused by seismic events. The use of AASHTO LRFD allows engineers to optimize structural performance while addressing safety and serviceability concerns.
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