| 摘要 |
<p>The subject of the present invention is a transportable bridge element for surmounting gaps comprising at least one pair of sections (1) which are parallel and connected to each other in order to form a driving track, characterised in that each section (1) is composed of several modules (10a, 10b, 10c, etc.) which are juxtaposed and firmly attached to each other, made from light material with low density and high strength and each module (10a, 10b, 10c, etc.) is formed by a succession of box structures (14) placed end to end in the length direction of the said section and firmly joined to each other. <IMAGE></p> |
