Steel pipe framework and tunnel type soundproofing wall having thereof

摘要

A steel pipe frame according to an embodiment of the present invention includes a first steel pipe member, a second steel pipe member having a different arrangement angle from that of the first steel pipe member, and each end surface of the first steel pipe member and the second steel pipe member. It may include an anchor unit connecting the first steel pipe member and the second steel pipe member by adjusting the mutual arrangement angle of the plate members coupled to the inner region of the negative surface.