CRACK-FORMING INSERTS EMBEDDED IN CONCRETE OR CEMENT MORTAR PAVING

摘要

1382676 Expansion strips for concrete SOC GENERALE D'ENTREPRISES 1 March 1972 [3 March 1971] 9638/72 Heading E1B In an expansion strip embedded into concrete paving during pouring and made of a semi-rigid material such as metal, or synthetic resin, the strip is diamond-shape in cross-section and terminates in an apex which lies flush with the surface of the concrete. The strip may be apertured or provided with a partitioned aperture and have straight sides, such as 15, 16 or concave sides see Figs. 2 and 3 (not shown).