| 摘要 |
<p>The present invention relates to a filling, non-elutriating mixture intended particularly for securing and liquidation of mine excavations, optionally maintenance and reclaiming of grounds for building construction. The invented filling, non-elutriating mixture comprises 67 to 25 parts by weight of a base stock being preferably formed by dump ash or light ash from coal or coke combustion or flotation packing material from coal preparation plant, 33 to 75 parts by weight of gypsum and water in an amount of 50 to 100 percent of the total weight of the both preceding components of the mixture.</p> |
