At last, some Suggestions were raised for the concretebackfill mining.
最后对具体的充填开采方法提出了建议。
2
The dynamic response of tunnels can largely be reduced by the foamed concretebackfill layers, which can be used to construct a sort of ideal energy absorption support structure.
泡沫混凝土耗能层能够明显减小结构的动力响应，可以用来构筑较理想的结构消波吸能型式。
3
In the paper, the mining technology of cemented fill stoping and backfill technology with rubble and concrete are presented, and their technical and economical indexes are briefly analyzed.