Mechanical Analysis of Soundproof Plate with Function of Wind Load Reduction and Experimental Verification Using a Full-scale Prototype

摘要

In order to install extra-high soundproof plates on existing soundproof walls while avoiding drastic viaduct reinforcement work, a new type of soundproof plate system was developed called SSRW (soundproofing system equipped with a mechanism of reducing wind load). These plates not only provide effective soundproofing they can also deflect wind load exerted on them maintaining the safety of the viaduct in strong wind conditions. Plate movement is controlled by magnetic attractive force, and the magnetic attractive force around the soundproof plates was calculated by magnetic field analysis. Wind tunnel tests were performed using full-scale prototype of the SSRW and measurements were made of its soundproofing performance to verify the reported mechanism and properties.