流動性の高いコンクリート - Shin-Etsu Chemical Co., Ltd.

Title:

流動性の高いコンクリート

Document Type and Number:

Japanese Patent JP6955894

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To provide concrete of high fluidity with a reduced unit cement content, where, the concrete is easy to handle during the application.SOLUTION: Concrete with high fluidity contains cement, water, aggregate, a thickener, and a high-performance water-reducing agent in powdery form. The thickener includes water-soluble cellulose ether, an antifoaming agent, and a gum. The high-performance AE water-reducing agent has a water-reducing rate of 18% or more in accordance with JISA6204. The concrete has a water cement ratio of 46.1% or more and 65% or less, and a slump flow of 35 cm or more and 75 cm or less. A method for producing the concrete with high fluidity is characterized by producing by adding the high-performance water-reducing agent in powdery form after dissolving the aggregate and cement in water.SELECTED DRAWING: None

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Inventors:

Tsutomu Yamakawa
Kuniaki Sakurai
Takayoshi Hirata

Application Number:

JP2017088694A

Publication Date:

October 27, 2021

Filing Date:

April 27, 2017

Export Citation:

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