| 摘要 |
1410114 Expansion joints COMPAGNIE INDUSTRIELLE DE PRECONTRAINTE ET D'EQUIPMENT DES CONSTRUCTIONS 12 Jan 1973 [14 Jan 1972] 1745/73 Heading E1B A roadway expansion joint comprises two elongate members 5 and 6, secured to the edges of facing road sections 1 and 2, each having interlocking upper 9, 10 and lower 11, 12 rows of teeth projecting across the joint and a plurality of elastomeric sealing members 13 held between the teeth. The teeth may be triangular or rectangular. Further elongate members having two rows of teeth on each side may be included for bridging wider gaps. The teeth in the upper row of each member are offset from the teeth in the lower row. |
