| 摘要 |
<p>A building comprises a plurality of portal frames (34) each frame being in the form of a pair of flat wall-columns (35,36) with a roof member (42) between them. Each wall-column (35,36) comprises a braced frame structure. The bracing may typically be in the form of a sheet of plywood or other material on each side of the frame structure, (35,36), and/or diagonal struts may be provided within the frame structure (35,36). The roof member (42) may be a simple beam, or it may be comprised in a triangular attic structure (37), which may include members (40,41). <IMAGE></p> |
