Title:
IN-JOINT CUT-OFF STRUCTURE
Document Type and Number:
Japanese Patent JP2022135461
Kind Code:
A
Abstract:
To prevent an in-joint cut-off structure which can prevent water from leaking below a water supply structure from a joint even when a joint material installed in the joint of the water supply structure is partially damaged to leak.SOLUTION: An in-joint cut-off structure 4 for preventing water from leaking below a water supply structure from a joint 7 of a water supply structure (apron 1) includes a first layer of a grout material (for example, shrinkage-compensating mortar) 8 which is installed at a lower part in the joint 7, and a second layer of a water expansion cut-off material 10 installed in the joint 7 so as to overlap the first layer. The water expansion cut-off material 10 is composed of water expansion rubber 11 arranged in the width-direction center of the joint 7, and one pack type water expansion elastic seal materials 12 which are arranged in width-direction both sides of the water expansion rubber 11, and fill a gap between the water expansion rubber 11 and a side wall of the joint 7.SELECTED DRAWING: Figure 2
Inventors:
KURODA YOSHIAKI
FUJII YOSHINORI
FUJII YOSHINORI
Application Number:
JP2021035274A
Publication Date:
September 15, 2022
Filing Date:
March 05, 2021
Export Citation:
Assignee:
CHUGOKU ELECTRIC POWER CO INC
International Classes:
E02B8/00; E02B3/00
Attorney, Agent or Firm:
Onuki Kotake International Patent Office