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    • 46. 发明专利
    • RAMP BRIDGE TYPE HIGHWAY GRADE SEPARATION FACILITY
    • JPH09137409A
    • 1997-05-27
    • JP29556495
    • 1995-11-14
    • MITSUBISHI HEAVY IND LTD
    • OYAMADA NOBORU
    • E01C9/08E01C1/04E01D15/12E01D15/133
    • PROBLEM TO BE SOLVED: To smooth the passage of an automobile by installing an upper-floor circular road on the upper floor of an elevated structure built while crossing an at-grade intersection, erecting ramp bridges among the inlet and outlet lanes of the intersection near to the center lines of crossed each road and the upper floor of the elevated structure and connecting the ramp bridges to the upper floor circular road. SOLUTION: An elevated structure D is installed while crossing the at-grade intersection C of a trunk road A and a frontage road B. A circular road 7 is set up onto the upper floor 5 of the elevated structure D. Ramp bridges F for highway grade separation are mounted among the upper sections of approach and outlet lanes to the intersection near to the center lines of the crossed trunk road A and frontage road B and the end section of the upper floor 5 of the elevated structure D. Crossing gates 9 are attached to the drive-in ports of each ramp bridge F. Accordingly, the multi-layerization of mutual intersections of multilanes is facilitated, and an automobile can pass through the intersection easily.
    • 49. 发明专利
    • JPH05247913A
    • 1993-09-24
    • JP5058492
    • 1992-03-09
    • MITSUBISHI HEAVY IND LTD
    • YAMAGAMI TETSUJIISODA ATSUSHITANIGUCHI MASAAKI
    • E01C9/08E01D15/133E01D19/10E01D22/00
    • PURPOSE:To improve the bearing stability of a temporarily set elevated road by setting an air cushion divided into a plurality, at the bearing section of an elevated road main bridge section to be temporarily set on a ready-set bridge girder, on the repairing or the like of the bridge girder, and by increasing the grounding area of bearing legs, to bear loads to be dispersed. CONSTITUTION:Not to interrupt the passing of vehicles under constructing a bridge, the bearing legs 5 of the main bridge section 3 of an elevated road to be temporarily set on a ready-set bridge girder 2 are provided with a grounding section 6 provided with an air cushion divided into a plurality. The main bridge section 3 is formed by connecting a plurality of composition unit bodies 1 to each other. Besides, the composition unit bodies 1 are arranged on the ready-set bridge girder 2 with auxiliary legs 4, and the respective unit bodies 1 are rigidly connected to each other and after that, both the sides are supported with the bearing sections 5. Besides, after that, approaches 8 are fitted on. Then, the grounding area of the bearing legs 5 is increased, and loads are dispersed. As a result, the temporarily set elevated road can be stably supported.