Problem to be solved: to provide an air amount measuring method and an air quantity measuring apparatus for a mortar capable of easily measuring an air quantity.A method for measuring the air volume of mortarWhile measuring the air volume of mortar by the method prescribed in JIS for a plurality of mortar beforehandThe ratio of the reflected light quantity and the amount of irradiation light was measured by irradiating light into the mortar using the photoelectric sensorMeasured air volume andTo obtain the relationship between the reflected light quantity and the ratio of the amount of irradiation light, andThe ratio of the amount of reflected light and the amount of irradiation light was measured by using the photoelectric sensor 16.The ratio of the reflected light quantity to the measured light quantityThe amount of air obtained beforehandBased on the relationship between the reflected light quantity and the ratio of illuminated light quantityA step of measuring the air volume of the mortar is provided.Diagram
展开▼