| 摘要 |
<p>The invention relates to a prefabricated steel/concrete composite beam arranged to act together with concrete as a load-bearing composite structure for various slab assemblies and having two web portions (1) and horizontal projecting flange portions (2) extending outside the web portions, the web portions (1) being positioned with a mutual spacing side by side and interconnected at one edge of each web portion (1) by means of a horizontal top portion (3), and the web portions (1) and the horizontal top portion (3) being arranged to define a space which can be filled with concrete (4). To improve the properties of the beam, at least one plate-like member (5) is disposed substantially vertically in the space defined between the web portions (1) and the horizontal top portion (3), the plate-like member being provided with openings (6) positioned with mutual spacings successively in the longitudinal direction of the beam, and being attached at the upper edge to the lower surface of the horizontal top portion (3).</p> |
