Jisho

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骨材反応
Wikipedia definition
1. Alkali–silica reactionFor less common types of alkali-driven degradation of concrete see Alkali-aggregate reaction (disambiguation page). The alkali–silica reaction (ASR) is a reaction which occurs over time in concrete between the highly alkaline cement paste and reactive non-crystalline silica, which is found in many common aggregates.
Read “Alkali–silica reaction” on English Wikipedia
Read “アルカリ骨材反応” on Japanese Wikipedia
Read “Alkali–silica reaction” on DBpedia

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