| 摘要 |
PROBLEM TO BE SOLVED: To keep a concrete layer in a certain thickness and to ensure the flatness of a concrete paving surface. SOLUTION: A concrete finisher consistently carrys out paving construction so that ready mixed concrete is cast on a road base to compact. In that case, it is equipped with a bearing arm 70 having one end pivoted on a vehicle mainbody and the other end pivoted on a screed 30 provided to the rear stage of the vehicle main body and connecting the screed 30 to the vehicle main body 10 side, a first cylinder 8 having one end pivoted on the vehicle main body 10 side upward of the bearing arm 70 and the other end pivoted on the bearing arm 70 and controlling a distance between the vehicle main bode 10 side and bearing arm 70 and a second cylinder 9 having one end pivoted on the bearing arm 70 and the other end pivoted on the screed 30 and controlling a distance between the bearing arm 70 and screed 30, Then, in work for casting ready mixed concrete to level off, the first and second cylinders 8 and 9 are in a free state.
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