METHOD FOR INSTALLING AND REPAIRING BRIDGE SEAT BY USING ANCHOR BOLT CONSISTING OF UPPER AND LOWER ANCHOR BOLTS

摘要

PURPOSE: A method for installing and repairing a bridge seat by using an anchor bolt is provided to easily maintain and repair a bridge seat by only changing the damaged portion of an anchor bolt. CONSTITUTION: An anchor bolt(14) of a bridge seat is formed by connecting an upper anchor bolt(5) and a lower anchor bolt(6). A base plate(8) is inserted to a threaded portion of the upper anchor bolt. A washer(10) and a nut(9) are connected to the threaded portion of the upper anchor bolt. A bridge support(11) and an upper structure(12) of a bridge are installed on the base plate. When the bridge seat needs repairing, the support concrete is removed partially and only the upper anchor bolt is changed.