Silica fume is used extensively in concrete in various countries around the world, and there are several standards in place to regulate its use.
미국 – ASTM C1240
In the United States, silica fume is regulated by ASTM C1240, 시멘트 혼합물에 사용되는 실리카 흄에 대한 표준 사양. This standard covers the physical and chemical requirements for silica fume to be used in concrete and other cementitious mixtures. The standard specifies the minimum silica content, loss on ignition, 훌륭함, and other requirements for silica fume.
캐나다 – CSA A23.5
캐나다에서, silica fume is regulated by CSA A23.5, 보충 시멘트질 재료. This standard covers the use of silica fume as a supplementary cementitious material in concrete, 박격포, and grout. The standard specifies the requirements for silica fume, including chemical and physical properties, and sets limits for impurities such as chlorides and sulfates.
유럽 연합 – 에 13263
In the European Union, silica fume is regulated by EN 13263, Silica fume for concrete. This standard specifies the requirements for silica fume to be used in concrete, including chemical and physical properties, as well as requirements for packaging and labeling.
중국 – GB/T 18736
In China, silica fume is regulated by GB/T 18736, Microsilica for Concrete. This standard specifies the test methods for silica fume used in concrete, including tests for fineness, 비표면적, loss on ignition, and other properties.
일본 – JIS A 6207
In Japan, silica fume is regulated by JIS A 6207, Silica fume for concrete. This standard covers the physical and chemical requirements for silica fume to be used in concrete, including particle size distribution, 비표면적, loss on ignition, and other properties.
브라질 – ABNT NBR 13956
브라질에서, silica fume is regulated by ABNT NBR 13956, Microsilica for concrete – Requirements and test methods. This standard covers the requirements and test methods for silica fume used in concrete, including chemical and physical properties, as well as packaging and labeling requirements.
Korea – KS F 2567
In Korea, silica fume is regulated by KS F 2567, Microsilica for concrete. This standard covers the physical and chemical requirements for silica fume to be used in concrete, including minimum silica content, loss on ignition, 훌륭함, and other properties.
베트남 – TCVN 9395
In Vietnam, silica fume is regulated by TCVN 9395:2012, Microsilica for concrete – Technical requirements. This standard covers the technical requirements for silica fume to be used in concrete, including chemical and physical properties, as well as packaging and labeling requirements.
인도 – IS 15388
In India, silica fume is regulated by IS 15388, 실리카흄 – Specification. This standard covers the physical and chemical requirements for silica fume to be used in cementitious mixtures, including minimum silica content, 훌륭함, and other requirements.
전반적인, the standards for silica fume in various countries are similar, with requirements for minimum silica content, loss on ignition, 훌륭함, and other properties. These standards ensure that silica fume is of consistent quality and can be safely used in concrete and other cementitious mixtures.
