The defects and limitation of common acidresisting sodium silicate concrete are examined and the application of consolidated acidresisting concrete on floor and ditch is described.

阐述普通水玻璃耐酸混凝土的缺陷及使用范围的局限性；说明密实性耐酸混凝土的组成及在地坪、地沟中的施工方法、步骤；

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The operation came a day after workers plugged a highly radioactive water leak from a concrete pit connected to the number two reactor, using sodium silicate - known as ''water glass''.

BBC: Japan quake: Nitrogen pumped into nuclear reactor