Title:
コンクリートの性状確認方法およびコンクリート性状特定装置
Document Type and Number:
Japanese Patent JP7431182
Kind Code:
B2
Abstract:
To provide a concrete property confirmation method capable of efficiently performing total inspection even with respect to fresh concrete carried in from a plant and having a placing amount changed in accordance with construction conditions, and a concrete property identification device.SOLUTION: A concrete property confirmation method comprises: a criteria creating step S1 for creating evaluation criteria for evaluating the properties of concrete flowing down a chute; a shooting step S2 for shooting concrete for installation flowing down the chute; a calculation step S3 for calculating the flow rate and speed ratio of the concrete for installation from the shot video of the concrete for installation; and a property identification step S4 for identifying the slump or slump flow of the concrete for installation by comparing the flow rate and the speed ratio with the evaluation criteria.SELECTED DRAWING: Figure 3
Inventors:
Ken Otomo
Shunichi Hatakeyama
Takayuki Hashimoto
Tatsuo Mioke
Shunichi Hatakeyama
Takayuki Hashimoto
Tatsuo Mioke
Application Number:
JP2021012622A
Publication Date:
February 14, 2024
Filing Date:
January 29, 2021
Export Citation:
Assignee:
Taisei Corporation
International Classes:
B28C7/16; B28C5/42; G01N11/00
Domestic Patent References:
| JP2000356578A | ||||
| JP2021009055A | ||||
| JP2013132760A | ||||
| JP2019211247A | ||||
| JP2019117095A |
Foreign References:
| US4332158 |
Attorney, Agent or Firm:
Patent Attorney Corporation Isono International Patent and Trademark Office