| 摘要 |
<p>A method for producing particulate cement is provided. The method includes the steps of : preparing a sol containing 100 parts by weight of water and 50 parts by weight or less of sodium aluminate arid a gel containing 8 to 40 parts by weight of a silica powder and 100 parts by weight of water, and separately aging the sol and the gel; mixing the aged sol with the aged gel; and adding at least one additive to the mixture, followed by cleaning and drying. Further provided is a method for producing concrete using cement produced by the cement production method. The concrete production method includes the steps of adding 10 to 150 parts by weight of a chemical activator and 50 to 500 parts by weight of aggregates to 100 parts by weight of the cement, and curing the mixture.</p> |
