| 摘要 |
PROBLEM TO BE SOLVED: To provide a connection structure capable of easily and suitably connecting upper-lower precast blocks.SOLUTION: In a precast block 1, a joint 12 with an anchorage body is provided on an under surface of a body 11, and a joint 12a with an anchorage body is buried in an upper part of the body 11. A hole 110 of opening only on an upper surface is also provided in the upper part of the body 11. After providing mortar 2 on the body 11, a new block 1 is arranged above the block 1, and when the block 1 is lowered up to a predetermined position, the joint 12 with the anchorage body of the upper block 1 is inserted into the hole 110 opened on the upper surface of the body 11 of the lower block 1. When the mortar 2 is hardened, a connection structure 10 by the upper-lower blocks 1 is formed. |
