BUILDING UNIT CONNECTION STRUCTURE

To connect steel pipe poles of a building unit which are adjacent to each other vertically while improving a degree of fixation of a steel beam to the steel pipe pole.SOLUTION: Building unit connection structure comprises a first building unit 20A including a first steel pipe pole 30A and an upper steel beam 40U with a beam end 40E connected to a pole head 30U of the first steel pipe pole 30A, a second building unit 20B including a second steel pipe pole 30B arranged on the first steel pipe pole 30A and a lower steel beam 40L with the beam end 40E connected to the pole leg of the second steel pipe pole 30B and a connection steel pipe 50 in which cement type filling material 52 is filled, and which has a lower part fitted in the pole head 30U of the first steel pipe pole 30A and an upper part fitted in the pole leg 30L of the second steel pipe pole 30B, for connecting the first steel pipe pole 30A and the second steel pipe pole 30B.SELECTED DRAWING: Figure 2 【課題】上下に隣接する建物ユニットの鋼管柱同士を接合しつつ、鋼管柱に対する鉄骨梁の固定度を高めることを目的とする。【解決手段】建物ユニット連結構造は、第一鋼管柱３０Ａと、第一鋼管柱３０Ａの柱頭部３０Ｕに梁端部４０Ｅが接合される上側鉄骨梁４０Ｕと、を有する第一建物ユニット２０Ａと、第一鋼管柱３０Ａの上に配置される第二鋼管柱３０Ｂと、第二鋼管柱３０Ｂの柱脚部に梁端部４０Ｅが接合される下側鉄骨梁４０Ｌと、を有する第二建物ユニット２０Ｂと、内部にセメント系充填材５２が充填され、下部が第一鋼管柱３０Ａの柱頭部３０Ｕ内に嵌め込まれるとともに、上部が第二鋼管柱３０Ｂの柱脚部３０Ｌ内に嵌め込まれ、第一鋼管柱３０Ａと第二鋼管柱３０Ｂとを連結する連結鋼管５０と、を備える。【選択図】図２