| 摘要 |
PURPOSE: An environment-friendly steel bridge type animal transfer passage is provided to safely and rapidly install the passage with cheap construction costs, and to minimize maintenance costs after installing. CONSTITUTION: An environment-friendly steel bridge type animal transfer passage comprises a vertical member, a horizontal member, bracing members(310A,310B), an upper plate member, and an upper plate guiding member. The vertical member is composed of earth plates(130A,130B) installed between first and second vertical column members(110A,110B). The bracing members are installed for reinforcing the first and second vertical column members. The upper plate member guides animals. The upper plate guiding member comprises environment-friendly soundproof walls(520). |
