| 摘要 |
A measuring apparatus ( 1 ) for concrete materials, comprising an aggregate hopper ( 3 ) as aggregate feed means for feeding fine aggregate ( 2 ) as aggregate, a water supply pipe ( 4 ) as water supply means, an aggregate measuring bin ( 51 ) for storing and measuring the fine aggregate ( 2 ) supplied from the aggregate hopper ( 3 ), a measuring tank ( 5 ) for storing the fine aggregate ( 2 ) supplied from the aggregate hopper ( 3 ) as water-immersed aggregate together with water supplied through the water supply pipe ( 4 ), a load cell ( 6 ) as water-immersed aggregate mass measuring means for measuring the mass of the water-immersed aggregate in the measuring tank, an electrode sensor ( 7 ) as water level measuring means for measuring the water level of the water-immersed aggregate in the measuring tank ( 5 ), and a water level holding device ( 8 ) as water level holding means for holding the water level of the water-immersed aggregate in the measuring tank ( 5 ) at a desired water level.
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