Beam-column connection structure of continued beam connection portion

A beam-column connection structure of a continued beam connection portion in which a column member is connected as standing vertically from an upper face and/or a lower face of an end portion of a continued beam member, a lateral beam member is connected as extending perpendicularly in a lateral direction from at least one of side faces of the end portion of the continued beam member, and an extension beam member is connected as extending linearly from an end face of the end portion of the continued beam member, comprising:

• a pipe fitting hole which is formed at the end portion of the continued beam member as vertically penetrating the end portion;
• a joint pipe which is embedded in the pipe fitting hole as having a bolt insertion hole and a bolt screw hole at a circumferential face;
• a side face connection metal fitting which is tightened and fixed to the side face of the end portion of the continued beam member by using a long bolt member arranged as penetrating the end portion of the continued beam member in the lateral direction in a state of being inserted to the bolt insertion hole of the joint pipe;
• an end face connection metal fitting which is tightened and fixed to the end face of the end portion of the continued beam member by using a bolt member of which top external thread portion is screwed to the bolt screw hole of the joint pipe;
• and
• a column connection pole-like metal fitting which is fixed as having a top end side portion protruded from the upper face and/or lower face of the end portion of the continued beam member as being inserted and mounted to the joint pipe through an opening end face of the joint pipe,
• wherein the lateral beam member is connected and fixed to the side face of the end portion of the continued beam member by using a drift pin while a connection groove formed at an end face of the lateral beam member is fitted to the side face connection metal fitting;
• the extension beam member is connected and fixed to an end face of the end portion of the continued beam member by using a drift pin while a connection groove formed at an end face of the extension beam member is fitted to the end face connection metal fitting;
• and
• the column member is connected and fixed to the upper face and/or lower face of the end portion of the continued beam member by using a drift pin while a fitting hole formed at an end face of the column member is fitted to the top end side portion of the column connection pole-like metal fitting.