backfilling

Through the experiments, the mixture ratio of cemented crushed stone backfilling materials was optimized.

通过试验, 优化了碎石胶结充填料配比.

Its dam foundation grout curtain and backfilling technologies are advanced.

在大坝基础工程帷幕灌浆、回填技术上处同行之首.

The determination of cement-tailings ratio is the key when tailing is used for mine backfilling.

摘要尾砂用于矿山充填,料装配合比参数的确定是关键.

High-water rapid-hardening backfilling with whole tailings is a new developed backfilling technology.

全尾砂高水速凝充填技术是一项新近发展起来的充填技术.

Taking advantage of attribute stack and backfilling technique , we can solve this problem radically.

利用属性栈及回填技术能够从根本上解决这一问题.

Mining backfilling is restrained by relatively high filling cost.

充填采矿由于充填成本较高而制约着其发展.

Taking tails are consolidated with high water material as backfilling is a new type backfilling method.

高水固结尾砂充填采矿是一种新型充填采矿法.

Please clearly indicate the final clearance area and backfilling area for the foundation.

请明确基础的最终清理范围及回填范围.