SAFETY CHECK-UP APPARATUS OF FLOOR-SLAB FOR BRIDGE OF THE SURFACE WATER SECTION

摘要

A safety diagnosis apparatus is provided to check the displacement of the bridge deck and to keep the bridge safe. A safety diagnosis apparatus comprises an upper fixing frame where a sensor bar is protruded to the bottom of vertical fixed bar and displacement measurement sensor is combined, a down movement frame where a connecting hook and a fixing hook are formed at the top and a weight is formed at the underwater bed, an extension spring pulling an upper triangular board and a lower triangular board.