| 摘要 |
The present invention relates to an attachment type layered expansion anchor and a construction method thereof. the present invention includes an anchor bolt having a predetermined length and formed in a cylinder shape, which becomes radially wider towards the direction in which one end is inserted into a boring hole of concrete which is bored; one or more sockets, which is formed in the cylinder shape wherein a through hole is formed on a center axis and the same axis, inserted into the anchor bolt through the through hole by being alternated with an ampoule; one or more ampoules, which is formed in the cylinder shape of which the inside is empty and forms a closed space and is inserted into the anchor bolt through the through hole by being alternated with the socket, wherein the center axis and the same axis of the cylinder are formed and a fixing fluid is accommodated inside. According to the present invention, the socket is inserted into the boring hole of the concrete with a mixing type of a chemical anchor bolt and a set anchor bolt, and the ampoule fills an empty space of the socket so that load strength is improved. |
