| 摘要 |
PROBLEM TO BE SOLVED: To provide a highway-bridge expansion device, in which a maintenance cost can be reduced, in the highway-bridge expansion device in which an expansion section is fixed onto a load bearing section. SOLUTION: In the highway-bridge expansion device in which the expansion section 3 is fixed onto the load bearing section 1 installed between both bridge girders X, the load bearing section 1 and the expansion section 3 are formed in a detachable split structure. COPYRIGHT: (C)2003,JPO
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