| 摘要 |
A tensile strength reinforcement apparatus of a prestress concrete girder bridge is provided to minimize the damage of a PC beam by improving a load transfer mechanism of an anchorage device for a tension wire and to install a tension wire effectively by increasing anchor forces. A tensile strength reinforcement apparatus of a prestress concrete girder bridge comprises: an upper anchor saddle composed of a fixed base which forms an angle body using a primary base(11) fixed to the base of a bridge deck(200) and a secondary base(12) fixed to a middle wall(110) and provided with a hole(12h), a support bracket(14) fixed to the base of the fixed base and provided with a hole(14h) to fix the end of a tension wire using a fixing bolt and two or more stiffened plates(15) contacted to the surface of a prestress concrete girder; and an upper guide saddle(20) composed of a fixed base which forms an angle body using a primary base(21) fixed to the base of a bridge deck of the opposite side to the upper anchor saddle and a secondary base(22) fixed to the middle wall and provided with a hole(22h), and two or more stiffened plates contacted to the surface of the prestress concrete girder. |
