| 摘要 |
1344896 Concrete reinforcement, lattice girders RHEINBAU GmbH 26 Oct 1971 [11 Nov 1970 18 Dec 1970] 49573/71 Headings E1K and E1W Concrete reinforcement comprises one or more inverted V-sectioned cages 6 snapped into a mesh of longitudinal, 3, and transverse rods 2, the mesh taking the form of a sheet, as shown, a narrow strip, Fig. 3 (not shown), or an elongate channel Fig. 5, (not shown). The cross-sectional areas of the lower rods 4 of the cages, and of the longitudinal rods 3 of the mesh when in strip form may be selected so as to equal the cross-sectional area of the longitudinal rods of a mesh which overlaps one edge of the strip together with the strip rods 3, Figs. 7, 8 (not shown). |
