Patent EA-003179-B1 (EA)
Title: Pre-assembled plate consisting of armoured concrete
Inventor: REIHEL DIETER
IPC: E01B3/28
Filed: 2000-09-20
Abstract: 1. A pre-assembled plate consisting of reinforced concrete, especially for use as a structural component of a permanent roadway for high-speed vehicles, with at least two steel rods (19) extending in the longitudinal direction of the pre-assembled plate (10) consisting of reinforced concrete and projecting over its concrete surface on the front side (17), and with at least one, preferably several theoretical breaking points (15) of the pre-assembled plate (10) running transversely to the steel rods (19), characterized in that the steel rod (19) is anchored in the area between the front side (17) of the preassembled plate (10) and the first theoretical breaking point (15) and is supported in a substantially freely movable manner in the direction of the particular front side (17) in its longitudinal direction. 2. The pre-assembled plate according to claim 1, characterized in that the theoretical breaking point (15) is a dummy joint extending transversely to the longitudinal direction of the pre-assembled plate (10). 3. The pre-assembled plate according to one of the preceding claims, characterized in that the anchoring is provided approximately 50 cm removed from the front side (17) of the pre-assembled plate (10). 4. The pre-assembled plate according to one of the preceding claims, characterized in that the steel rod (19) is jacketed in the area between the front side (17) of the pre-assembled plate (10) and the anchoring by a tube (20) or hose, especially by a shrinkdown plastic tubing [heat-shrinkable sleeve]. 5. The pre-assembled plate according to one of the preceding claims, characterized in that the jacketing of the steel rod (19) has a greater inside diameter than the outside diameter of the steel rod (19). 6. The pre-assembled plate according to one of the preceding claims, characterized in that the steel rod (19) terminates in a pocket (24) of the pre-assembled plate (10). 7. The pre-assembled plate according to one of the preceding claims, characterized in that the pocket (24) is open toward the top of the preassembled plate (10). 8. The pre-assembled plate according to one of the preceding claims, characterized in that the pocket (24) is closed toward the bottom of the preassembled plate (10). 9. The pre-assembled plate according to one of the preceding claims, characterized in that the pocket comprises an undercut (29) when viewed from the top. 10. The pre-assembled plate according to one of the preceding claims, characterized in that the pocket (24) forms a wide joint (27) with the adjacent pre-assembled plate (10). 11. The pre-assembled plate according to one of the preceding claims, characterized in that a joint abutment (21) is provided between two steel rods (19) of the pre-assembled plate (10) and or toward the edge of the preassembled plate (10) for forming a narrow joint (26) with the adjacent preassembled plate (10). 12. The pre-assembled plate according to one of the preceding claims, characterized in that the bottom runs substantially in a straight line on the front side of the pre-assembled plate (10) and/or the top has alternating narrow and wide joints (27). 13. The pre-assembled plate according to one of the preceding claims, characterized in that connecting means for connecting the steel rod (19) of the one pre-assembled plate (10) to the steel rod (19) of the adjacent preassembled plate (19) can be arranged in the wide joint (27). 14. The pre-assembled plate according to one of the preceding claims, characterized in that adjusting devices, especially spindles are arranged on the pre-assembled plate (10). 15. The pre-assembled plate according to one of the preceding claims, characterized in that the pre-assembled plate (10) is produced from fiber concrete. 16. The pre-assembled plate according to one of the preceding claims, characterized in that the narrow joint (26) and/or the wide joint (27) between two pre-assembled plates (10) is/are filled with a sealing compound (25), especially concrete. 17. The pre-assembled plate according to one of the preceding claims, characterized in that a substratum mass (42), in particular a bituminous cement mortar, is introduced between the pre-assembled plate (10) and the foundation. 18. The pre-assembled plate according to one of the preceding claims, characterized in that the substratum mass (42) is encased in particular with a sealing element (41), especially with an elastic, preferably porous plastic. 19. The pre-assembled plate according to one of the preceding claims, characterized in that the sealing element (41) is a rubber mat, especially neoprene. 20. The pre-assembled plate according to one of the preceding claims, characterized in that the sealing element (41) is a sponge. 21. The pre-assembled plate according to one of the preceding claims, characterized in that spacers are arranged in the area of the joints (26, 27). 22. A method of producing a compound plate construction consisting of pre-assembled plates (10) consisting of reinforced concrete, especially as a permanent roadway for high-speed vehicles, with at least two pre-assembled plates (10), steel rods (19) extending in the longitudinal direction of the pre-assembled plate (10) consisting of reinforced concrete and projecting over its concrete surface on the front side (17), and with a joint between adjacent preassembled plates (10), characterized in that the pre-assembled plate (10) is placed and finely aligned, that a substratum mass (42) is poured under the finely aligned pre-assembled plate (10) and that after the hardening of the substratum (42) the pre-assembled plate (10) is connected to the adjacent preassembled plate (10) by filling in the joint and connecting the steel rods (19). 23. The method according to claim 21, characterized in that the steel rods (19) are extended for connecting the adjacent pre-assembled plate (10). 24. The method according to one of claims 22 or 23, characterized in that narrow joints (26) and wide joints (27) are provided at the plate joint and that the narrow joints (26) are provided with a sealing compound (25) at first, the steel rods (19) are then tensioned and, finally, the wide joints (27) are closed. 25. The method according to one of claims 22 to 24, characterized in that the steel rods (19) are not tensioned until after the hardening of the sealing compound (25) in the narrow joints (26). 26. The method according to one of claims22 to 25, characterized in that the steel rods (19) of adjacent pre-assembled plates (10) are connected with tighteners (28). 27. The method according to one of claims 22 to 26, characterized in that the steel rods (19) are welded together. 28. The method according to one of claims 22 to 27, characterized in that the pre-assembled plate (10) is finely adjusted with spindles (37). 29. The method according to one of claims 22 to 28, characterized in that cement is used as sealing compound (25). 30. The method according to one of claims 22 to 29, characterized in that a bituminous cement mortar is used as substratum mass (42). 31. The method according to one of claims 22 to 30, characterized in that an elastic, especially a porous sealing element is used as casing [form] (41) for the substratum (42). 32. The method according to one of claims 22 to 31, characterized in that the casing (41) is placed before the fine adjustment, in particular before the placing of the pre-assembled plate (10). 33. The method according to one of claims 22 to 32, characterized in that rails (30) on the pre-assembled plate (10) are braced in rail fastenings (31) before the fine adjustment of the pre-assembled plate (10). 34. The method according to one of claims 22 to 33, characterized in that after the pre-assembled plates (10) have been joined to each other, especially after the closing of the wide joint (27), the rails (30) are connected to each other. 35. The method according to one of claims 22 to 34, characterized in that the finely aligned pre-assembled plate (10) is fixed to the adjacent pre-assembled plate (10) with spacers, especially with wedges, the steel rods (19) are tensioned and the joint is subsequently filled up. 36. The method according to one of claims 22 to 35, characterized in that the spacers are arranged in the area of the narrow joints and/or of the wide joints. 37. The method according to one of claims 22 to 36, characterized in that after the filling up of the joints the spacers are relieved or removed.