NON-SUPPORT TYPE PRESTRESSED FORM FOR CONSTRUCTING BEAM

A non-supporting prestressed form for beams is provided to transfer its self weight as well as pouring pressure and load of concrete to the opposite ends, while enabling fast construction using al lower space of a beam as a working spot during curing of concrete since, since installation of a supporting post is redundant. A non-supporting prestressed form(100) for beams comprises a sheathing board(110), a center fixation(120), and a tensioning member(130). The sheathing board comprises a side sheathing board(112) on lateral sides of a beam and a lower sheathing board(111) to form lateral sides and lower side of the beam. The center fixation is installed in the middle of length direction of the sheathing board, comprising a support(121) fixed to support the sheathing board, and a fixed piece(122) hinged to the support. The tensioning member as a member installed on the outside of side sheathing board on lateral sides of the sheathing board for tensioning, is installed from an upper side of one end of the side sheathing board to an upper side of the other end via the fixed piece of the center fixation.