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Chapter 9

Admixtures

アクセラレータ
アクセラレータ
An admixture is an additional substance added to the concrete during mixing to include a unique feature. Admixtures used to accelerate the hardening of ...
リターダー
リターダー
In hot weather concreting, when the normal setting time is shortened by the higher temperature, it can lead to the formation of cold joints between ...
可塑剤
可塑剤
Consider concreting in locations that are difficult to access in a mold. Plasticizers help concrete compact on its own, enhancing workability with less ...
高性能減水剤
高性能減水剤
Superplasticizers are used to prepare fluid concrete that can be easily placed in dense reinforcement arrangements within a mold or for quick placement in ...
コンクリートの添加剤と充填剤
コンクリートの添加剤と充填剤
Fillers and additives are fine-grained materials with a fineness similar to Portland cement. Pozzolans and blast-furnace slag, used as cementitious ...
コンクリートの防水・抗菌混和剤
コンクリートの防水・抗菌混和剤
Concrete takes in water due to the surface tension in the capillary pores of the cement paste, which draws in water through capillary action. ...
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