THE STRUCTURE OF A BRIDGE BEARING DEVICE USING ANCHOR BOLT WHICH IS COMPOSED OF A LOWER ANCHORBOLT AND AN UPPER ANCHOR BOLT

摘要

The subject innovation is easy to maintain and repair in the case it is necessary to replace the anchor bolt of gyojwa device by any damage by tightening the separation of the anchor bolt to the upper and lower anchor bolt, gyojwa so as to replace only the damaged upper anchor bolt part device relates to a top, the structure of the apparatus using a gyojwa lower anchor bolt is fastened an anchor bolt.; T Chair values ​​shift or hole formed based on the angle of intersection of the nose pingbu 13 (4), receiving the concrete (7), the upper and lower anchor bolt with an upper and lower anchor bolt is fastened an anchor bolt of the subject innovation are fastened to each other and an anchor bolt 14, a washer 10, which is fastened to the screw portion 15 of the upper anchor bolts (5) the base plate (8) to be inserted into the screw portion 15 of the upper anchor bolt projecting on the base plate nut 9, it consists of the bridge bearings 11 and the upper structure 12 of the bridge which is installed at an upper side of the base plate.; When maintenance gyojwa device according to the present invention, removing a small amount of feet of concrete, and the lower anchor bolt 6 without removing and shortening the upper anchor bolts (5) maintenance of air only by replacement and cost savings, the anchor bolts It can be installed vertically, allowing for precise re-construction anchor bolts. In addition, it is possible to remove only the installation for damage, even if you need to replace the traditional anchor bolt (1) and the vertical member to the upper anchor bolt (5) only sikimeuroseo tightening anchor bolts constituting the subject innovation on top of the rest of the anchor bolt.