…The degree of softness of concrete, which is mainly due to the amount of water, is called consistency, and is generally quantified by a slump test, in which concrete is packed in a cone-shaped container in a certain way and the dimension (in centimeters, called slump) of the top of the concrete when the cone is pulled out is measured. The degree of ease of pouring and the degree of resistance to separation of the material are called workability, and although no suitable test method has been developed to determine this, it is decided to measure the consistency, which is closely related to workability, and to judge it based on the results. On the other hand, the properties required for hardened concrete (hardened concrete) include the required strength, durability, and watertightness. … *Some of the terms that mention "workability" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…主として水量の多少によるコンクリートの軟らかさの程度を示すのはコンシステンシーconsistencyと呼ばれるもので,これは一般に,コーン状の容器に一定の方法でコンクリートを詰め,コーンを引き抜いたときにコンクリートの上部が下がった寸法(cmの単位で示しスランプと呼ぶ)を測定するスランプ試験により定量的に表される。打込みやすさの程度および材料の分離に抵抗する程度を示すものはワーカビリチーworkabilityと呼ばれ,これを判定する適当な試験法は開発されていないが,ワーカビリチーと密接な関係にあるコンシステンシーを測定して,その結果に基づいて判定することにしている。 一方,硬化したコンクリート(硬化コンクリート)に必要な性質としては,所要の強度,耐久性および水密性があげられる。… ※「workability」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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