GB/T 27690-2011 Translated English of Chinese Standard. (GBT 27690-2011, GB/T27690-2011, GBT27690-2011): Silica fume for cement mortar and concretehttps://www.chinesestandard.net, 5. okt. 2018 - 18 sider This Standard specifies the terms and definitions, classification and labels, requirements, test methods, inspection rules, packaging, marks, transport and storage of silica fume for cement mortar and concrete. This Standard is applicable to silica fume for cement mortar and concrete. |
Innhold
Packaging marks transport and storage | 8 |
Annex A normative Inspection method for solid content of silica fume slurry | 10 |
Annex B normative Test method for activity index | 12 |
normative Test method for inhibition of alkali aggregate reaction | 15 |
Vanlige uttrykk og setninger
accordance with Annex accordance with GB/T according to GB/T Activity index admixture in GB admixture that meets alkali aggregate reaction alkali aggregate reactivity Batch number cement mortar chloride ion permeability compressive strength test constant weight content In accordance content of silica curing cylinder Dalian demolding exit-factory inspection fluidity of cement fume for cement grams g high-efficiency water-reducing admixture Inhibition of alkali inspection items inspection results JC/T length measuring instrument loss on ignition mass of weighing meet the requirements mix ratio grams mold mortar and concrete Mortar mix ratio mortar test piece oven or water piece at td piece is formed Re-inspection Reference mortar Resistance to chloride Shanghai silica fume slurry SiO2 content sodium hydroxide solution Specific surface area storage period Table C.2 temperature control range terms and definitions Test conditions Test method Test steps tested concrete total alkali content transport and storage Type inspection water bath Water demand ratio weighing bottle