| 摘要 |
PROBLEM TO BE SOLVED: To provide a screed device for a water passage repair capable of making even with the uniform thickness by a paving machine even when the special curved bottom of a water passage is repaired and raising the efficiency of repair work. SOLUTION: The screed device 16 is equipped with a main screed 17 and expansion screeds 7 and 7. The main screed 17 has a right and left split type upper screed section 18, and a water passage repairing screed section 19 is detachably fixed to the lower end section of the upper screed section 18. The lower screed section 19 has a screed plate 23, and a strike-off 24 is placed to the front side of the screed plate 23. The screed plate 23 and the lower surface of the strike-off 24 are formed in a projected curve below in face view so as to correspond to a shape of the bottom of the water passage. The screed plate 23 and the strike-off 24 are so constituted that both of them can be changed with a usual road paving screed plate 27 and a strike-off 28. COPYRIGHT: (C)2006,JPO&NCIPI
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