| 摘要 |
PURPOSE:To provide the joint structure of a column which is easy to install, facilitates the cost reduction and, further, can be applied to the drop conductor of the arrestor equipment of a building. CONSTITUTION:A first conducting member 12 which is electrically connected to column main reinforcing bars 11 provided in the PCa column 10 of lower floors and grounded and exposed at least partially on the surface of a floor 90 formed on the PCa column 50 and a second conducting member 52 which is electrically connected to column main reinforcing bars 51 provided in the PCa column 50 of upper floors and connected to an arrestor 93 and exposed at least partially on the lower end surface of the PCa column 50 are electrically connected to each other. |
