| 摘要 |
<p>PURPOSE:To produce a light-weight porous concrete containing uniformly dispersed air bubbles without increase of the specific gravity of the produced concrete. CONSTITUTION:In production of a light-weight porous concrete by blending a binder such as cement, aggregates, a foaming agent and a foam stabilizer, a caustic soda solution of sawdust is used as the foam stabilizer.</p> |
