| 摘要 |
<p>Houses or other buildings, where span width is not excessive can be covered by a roof made from concrete elements with reinforcement. The roof comprises several elongated horizontal prefab. pieces (2) with ends on mounting faces on the wall crown. One of two shanks (3) extends vertically, forming the lengthways load bearing part; the other (5) is thinner and longer, and aligned horizontally as the roofing part. Each roofing shank fits on the load bearing shank of the next piece below. Pieces are pref. L-shaped profiles. This is simple and very economical, easily erected, very durable, weather-protective and easily insulated, and can be walked on.</p> |
