A device for measuring rheological parameters of asphalt slurry and its measuring method

Abstract

The invention discloses a device for measuring the rheological parameters of asphalt slurry and a measurement method thereof, which comprises a material receiving bottle in a negative pressure state and a sample box for storing the asphalt slurry to be tested. The negative pressure at the sample box is introduced into the capillary in the bottle. The inner wall of the capillary is a rough surface used to prevent the asphalt from sliding on the outer peripheral side, and the receiving bottle is set on the weighing device used to measure the overall weight of the asphalt slurry after it is introduced. Since the inner wall of the capillary is a rough surface used to prevent the asphalt on the outer peripheral side from sliding, so that the asphalt on the outer peripheral side adheres to the inner wall and remains stationary, then the asphalt in the middle of the capillary forms a relative movement with the asphalt on the outer peripheral side. Compared with the rotation method, the present invention finally achieves that the asphalt slurry in the material receiving bottle is completely the asphalt in the middle position after friction with the outer peripheral side. This detection method is intuitive and accurate, more in line with the basic definition of rheological parameters, and solves the problem of inaccurate data measured by the rotational viscometer in the prior art.

Description

technical field [0001] The invention relates to the field of measuring equipment, in particular to a device for measuring rheological parameters of asphalt slurry and a measuring method thereof. Background technique [0002] With the continuous development and utilization of hydropower resources and the large-scale construction of transportation and municipal infrastructure, the engineering geological conditions encountered are becoming more and more complex, and more and more water gushing problems are encountered during the construction process. Asphalt grout has the characteristics of not being diluted by water and is therefore suitable for water gushing grouting treatment of dam foundations or tunnels with large flow and high velocity. Patent document CN210604273U discloses an asphalt viscosity tester, the stirring paddle is set in the sample bucket, the sample bucket is installed in the middle of the water bath and the sample bucket runs through the bottom of the water ...

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a kind of device and measuring method thereof for measuring the rheological parameters of asphalt slurry, to solve the problems in the prior art mentioned above, the asphalt slurry is introduced into the receiving bottle 6 by the sample box through the capillary, the inner wall of the capillary It is a rough surface used to prevent the asphalt on the outer peripheral side from sliding, so that the asphalt on the outer peripheral side adheres to the inner wall and remains stationary, then the asphalt in the middle of the capillary forms a relative movement with the asphalt on the outer peripheral side, which solves the problem of rotational viscosity in the prior art. The problem of inaccurate data measured by the meter

Images