| 摘要 |
PROBLEM TO BE SOLVED: To provide a joint member that is inserted into gutter blocks to connect them in a bent or straight form.SOLUTION: A body 10a of a joint member 10 is formed into a wedge shape with an angle &thetas;, and the joint member with a protrusion 30a and a recess 30b formed on the body 10a is inserted into a gap between gutter blocks 1, in order to enable concrete to be poured into the space formed by the gutter blocks 1 and the joint member 10. |
