| 摘要 |
<p>PURPOSE:To obtain a lightweight aerated concrete wherein bubbles are uniformly distributed without increasing the sp.gr. of the product concrete by using a soln. of a bean-curd refuse powder in methyl alcohol as the bubble stabilizer. CONSTITUTION:A binder such as cement, an aggregate, a foaming agent and a bubble stabilizer are mixed to produce the objective lightweight aerated concrete. In this case, a soln. of bean-curd refuse powder in methyl alcohol is used as the bubble stabilizer.</p> |
