Study on the Three-Fork Pedestrian Suspension Bridge with Single Main Cable

Abstract

Based on the three-fork–shaped river terrain of the Grand Canyon, a design scheme of a three-fork–shaped single main cable pedestrian landscape glass suspension bridge is proposed. The three-fork–shaped single main cable is suspended on three single column bridge towers, and the sling system is suspended with a three-fork–shaped deck stiffening beam with a central ring. Both the three-fork–shaped single main cable and the three-fork–shaped deck stiffening beam are stable triangular structures, which has good spatial stiffness. Combined with the actual project, the engineering parameters are designed, the Midas finite-element analysis model is established, and the static analysis and dynamic modal analysis are carried out to verify the structural rationality of the three-fork single main cable pedestrian suspension bridge.