Title:
コンクリートのレオロジー定数測定方法
Document Type and Number:
Japanese Patent JP6963257
Kind Code:
B2
Abstract:
To provide a method for measuring the rheology constant of concrete for more accurately evaluating the workability of concrete in site construction work such as fillability, compactibility, and pumpability and aiming at more accurate management and rationalization of construction work.SOLUTION: The method includes: measuring the flow tip speed measured by a flow tip speed measuring instrument provided at a plurality of points in the longitudinal direction of an inclined flow part of an inclined flow test and the height of a sample when passing through each measurement position; and obtaining an apparent shear stress in a segment where a flow tip speed measured at each measurement position of the flow tip speed measuring instrument or a strain rate calculated using the flow tip speed and a flow tip speed of regress line obtained from the apparent shear stress are 0, as an apparent yield value, and the inclination of the regression line as an apparent plastic viscosity.SELECTED DRAWING: Figure 1
Inventors:
Hideyuki Kajita
Hiroyuki Sasakura
Yoshihiro Masuda
Hiroyuki Sasakura
Yoshihiro Masuda
Application Number:
JP2017250621A
Publication Date:
November 05, 2021
Filing Date:
December 27, 2017
Export Citation:
Assignee:
MAEDA CORPORATION
New Tech Co., Ltd.
New Tech Co., Ltd.
International Classes:
G01N11/00; G01N19/00; G01N33/38
Domestic Patent References:
| JP2017223490A |
Attorney, Agent or Firm:
Kumon enjoyment
Hisako Yasuko
Hisako Yasuko
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