Method for establishing and repairing a bridge bearing device using anchorbolt which is composed of a lower anchorbolt and a upper anchorbolt

摘要

The invention 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, installation and repair method of gyojwa device using a lower anchor bolt has a fastening anchor bolts.; The upper, T Chair value of the shift or pier nose using a lower anchor bolt has a fastening anchor bolts pingbu 13 of the present invention group formed holes (4), receiving the concrete (7), the upper and lower anchor bolt is 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 (8).; Removing gyojwa device maintenance when, receiving the concrete according to the present invention, a small amount, and the lower anchor bolt 6 without removing and shortening the upper anchor bolt (5) maintenance of air only by replacement and construction cost is reduced, the anchor bolt it can reinstall vertically, allowing for precise anchor bolt installation. In addition, it is possible to reinstall the old anchor bolt (1) an upper anchor bolt (5) only sikimeuroseo tightening anchor bolts that make up the present invention on top of removing only the damaged portion and the rest of the anchor bolt, even if you need to replace the vertical.