the above mentioned reinforcing steel bar 240 of the column steel box unit 200 to pass through the four side plates 330 are attached to end plates 310 and are disposed around sides of the beam column joint steel box unit 300 the side plate 330 can be alternatively designed based on the position of the architectured reinforcement structure of the present invention in one aspect as shown in fig4 a the side plate 330 may include a side plate central opening 331 located at the central region of the side plate 330 and a plurality of side plate peripheral openings 332 located at the peripheral region of the end plate 330 wherein the aperture size of the side plate central opening 331 is configured to allow concrete to flow through during grouting and the aperture size of the side plate peripheral openings 332 is configured to allow the above mentioned reinforcing steel bar 140 of the beam steel box unit 100 to pass through in another aspect as shown in fig4 b and 4c the side plate 330 may only include plural side plate peripheral openings 332 but not side plate central openings 331 by assembling two end plates 310 and four side plates 330 a box frame is formed to provide not only an over wrapped steel structure for a beam column joint of a construction but a systematic mold plate module when grouting concrete the above mentioned end plate 310 can be alternatively designed based on the position of the architectured reinforcement structure of the present invention the end plate 310 may.