Title:
ROAD CONSTRUCTION METHOD, AND CONCRETE BLOCK AND SUPERSTRUCTURE WORK SLAB USED FOR THE SAME
Document Type and Number:
Japanese Patent JP3956226
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a road construction method and a superstructure work slab and a concrete block used for the method for constructing a road having statically and dynamically excellent stability allowing an increase in the widened amount by a required amount and coping with ground looseness or the like caused by an earthquake or a heavy rain.
SOLUTION: In this road construction method and the superstructure work slab and concrete block used for the method, a foundation anchored to a mountain slope is constructed, and the wide concrete block is erected on the valley side on the upper part up to a height lower by a predetermined height than the height of a planned road surface. The superstructure work slab shaped to project as far as the valley side end of the planned road surface is balanced and anchored to the upper face of the block, and foamed mortar or foamed concrete serving as a back-fill material is filled and placed below the mountain side of the superstructure work slab at the back face of the block to construct the road.
Inventors:
Tadahiko Soda
Application Number:
JP2003354109A
Publication Date:
August 08, 2007
Filing Date:
October 14, 2003
Export Citation:
Assignee:
Shoda Co., Ltd.
International Classes:
E01C1/00; E02D29/02; (IPC1-7): E01C1/00; E02D29/02
Domestic Patent References:
| JP2002356801A | ||||
| JP2003049429A | ||||
| JP5042331U |
Attorney, Agent or Firm:
Hidekazu Miyoshi