BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a presidential bridge construction apparatus, wherein the first front pants (1) and the second front pants (2) and the pair of front pants (1, 2) are arranged in parallel with a predetermined width interval in front. And the barge part 5 consisting of a first rear pants 3 and a second rear pants 4, which are arranged in a pair of rear pants 3 and 4 in parallel with a predetermined length interval, and the first front A front transport vent (7) disposed on the intermediate deck (6) of the pants (1) and the second front pants (2), which are established while firmly engaging the front pants (1,2); A rear conveying vent 9 disposed on an intermediate deck 8 of the rear pants 3 and the second rear pants 4 and standing up while firmly engaging the rear pants 3 and 4; The first tie frame 10 which firmly connects the first front pants 1 and the first rear pants 3, and the second front pants 2 and the second rear pants 4 are firmly connected to each other. Is composed of a second tie frame 11, a structure that allows to transport a large amount of objects to the pants (1, 2, 3, 4) of small capacity, the upper structure 18 is easy to work on land After assembling in the ships to the transport vents of the pants transported to the bridge construction position to be placed on the bridge (19) collectively, the assembly of the superstructure 18 on the land to improve the quality of the bridge superstructure 18 The pants (1, 2, 3, 4) can be transported smoothly even in shallow waters, and the bridge superstructure (18) is assembled independently of other bridge substructures. There is an advantage to shorten the period.
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