所谓活性骨料即在碱性环境中能与水泥中碱发生反应的集料,这种反应一般在水泥混凝土硬化后进行,反应生成物具有破坏特点,其中最主要的一类就是含活性二氧化硅的集料。另外, 集料中的有害杂质, 如膨胀性矿物、硫化物、硫酸盐、粘土矿物等也对混凝土结构工程造成一定的破坏。 活性集料也指玻璃质、隐晶质、微晶质的岩矿或晶格扭曲、损坏的岩矿等
研究结果表明，用现有标准判断，花岗岩为非活性骨料。
It has been proved through study results that artificial granite aggregate is non active aggregate judged by present criterions.
用天然活性骨料和石英玻璃骨料研究了粉煤灰与沸石的复合对碱-硅酸反应(asr)的影响。
The combined effect of natural zeolite and fly ash on alkali-silica reaction (ASR) of concrete was studied with natural alkali-reactive aggregate and quartz glass aggregate respectively.
三峡工程混凝土骨料碱活性检验项目是在以往大量长期的研究工作的基础上进行的复核检验。
The alkaline activity test on the concrete aggregate for Three Gorges Project is a re check test on the basis of the great number of long term research results.
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