PROBLEM TO BE SOLVED: To provide a reinforcing appliance that reduces the collapse of a multi-span type pipe house due to snowfall in a multi-span type pipe house in which a plurality of pipe houses are located side by side.SOLUTION: A reinforcing appliance 30 of a multi-span type pipe house 100 has a reinforcing pipe 31 and a linking part 32 that freely links between the upper part of the arch pipe 11 of the pipe house 10 adjoining each other and the reinforcing pipe 31, a plurality of pipe houses 10 being located side by side in the direction crossing the ridge direction, the pipe house 10 having arch pipes 11 arranged side by side in parallel to the ridge direction, and the arch pipe 11 being coated with a coating material 20.SELECTED DRAWING: Figure 1【課題】複数のパイプハウスが併設された連棟型パイプハウスにおいて、降雪による連棟型パイプハウスの倒壊を低減する補強器具を提供すること。【解決手段】複数のパイプハウス１０が棟方向と交わる方向に併設され、パイプハウス１０が棟方向に平行に並んで配置されたアーチパイプ１１を有し、アーチパイプ１１が被覆材２０で覆われた連棟型パイプハウス１００の補強器具３０であって、補強パイプ３１と、補強パイプ３１と隣り合うパイプハウス１０のアーチパイプ１１の上部を自在に繋ぐ連結部３２と、を備えている。【選択図】図１
