Abstract
The cable anchorage zone is the key part of cable-stayed bridge design. Many large-span cable-stayed bridges at home and abroad have carried out special analysis and research on the anchorage zone. Combined with engineering examples, the angle relationship between cable and steel anchor box was derived through geometric method, and the relationship between the azimuth angle of the tangent direction of the anchor box plate and cable anchor point was established, and related parameter equations were compiled to construct a complex space steel anchor box. Through the calculation formula, a complex space steel anchor box will be constructed to achieve parametric design, which will greatly reduce the workload of the designer and improve the design accuracy.
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