| 摘要 |
A supporting structure to support a soffit, comprising at least two parallel spaced vertically disposed props (10) connected together by a horizontal member (13), each prop being provided with a supporting head (18) which supports a primary shoring beam (29) for supporting the soffit. The beam (29) extends between the props (10), one end (B) being supported at a position fixed longitudinally of the beam and the opposite end (A) being supported at a position variable longitudinally of the beam, two or more adjacent beams being telescoped one within the other. |
