| 摘要 |
A temporary bridge construction method using slab penetrating columns is provided to install a temporary bridge without any additional foundation work, to secure a site for construction by corresponding the horizontal alignment of a temporary bridge and a main bridge, and to shorten a period of construction and to cut down on construction expenses by applying easily when it is difficult to install a bypass bridge such as an overpass, etc. A temporary bridge construction method using slab penetrating columns, for having a foundation structure(103) of a main bridge jointly without an additional foundation structure by fixing columns of a temporary bridge to the top of a pier of a main bridge through a main bridge slab to be repaired, comprises the steps of: forming a cutting part on a main bridge slab(101) at the upper part of a pier(102); fixing the bottom of temporary bridge columns to the top of the pier through the cutting part; installing a temporary bridge slab(220) on the upper part of the columns; after repairing a main bridge, dismantling a temporary bridge including the columns; and filling up an opening part of the main bridge slab. To fix columns to a pier without damaging the pier, a fixing device is provided to be fixed on the upper part of the pier and fixed with the bottom of the column, and composed of a flat plate whose bottom is adhered closely to the top of the pier and top is fixed with the column and a pair of side plates installed on two ends of the flat plate to correspond to the width of the top of the pier. |
