| 摘要 |
Provided in the present invention is a hollow structure of a wide beam having width of a beam larger than height of the beam, which comprises a side pressure strap (100) or side pressure rod (120) having tension, and having both ends coupled with a beam cast (F); a fixer (130) coupled with the side pressure strap (100) or the side pressure rod (120); a light molding material (V) having one end coupled with anyone or more among a front surface and a back surface of the fixer (130); steel bars (R1, R2, R1′, R3) buried by avoiding the light molding material (V) inside the beam cast (F); and a concrete (C) installed inside the beam cast (F) with a slab part, wherein the light molding material (V) is characterized by floating on the center of the wide beam by tension of the side pressure strap (100) or the side pressure rod (120) without contact with the steel bars (R1, R2, R1′, R3), when the concrete (C) is installed. |
