| 摘要 |
A variable elastic bearing structure by the load direction of a bridge is provided to absorb the vertical and horizontal displacement of an upper structure of a bridge effectively, to manufacture easily with low expenses and to extend the service life. A variable elastic bearing structure by the load direction of a bridge is provided for dispersing or supporting the load of an upper structure of a bridge by forming projections(21) on upper and lower sides of an elastic pad, forming grooves(22) on the inside of upper and lower plates to be longer than the projections, and fixing the elastic pad between the upper plate coupled to the lower part of an upper structure of a bridge and the lower plate coupled to a pier to make the projections slide in the grooves in the load direction, wherein the projections of the elastic pad are inserted to the grooves of the upper and lower plates to function as a hanging projection, thereby to keep the elastic pad not to be slid and pushed laterally during long-term use. |
