薛湖煤矿主、副井井筒井深、表土厚且膨胀性强、基岩含水层可注性差、地质条件复杂。
Xuehu coal main and subsidiary well have deep shaft, thick surface soil and strong disability, poor pourability in the hydrated grope rock and complex geology condition.
具缘纹孔的闭塞率较低以及部分具缘纹孔周缘破裂是高频真空干燥后木材浸注性提高的主要原因。
Low pit aspiration ratio and cracks of some bordered pits are the main reasons for increasing liquid impregnation after radio-frequency vacuum drying treatment.
工程实例证明,活性粉煤灰仅有良好的可注性和较高的强度,而且可以大大节约工程造价,是—种较为理想的注浆材料。
The field practice has proved that activating admixtures not only is grouting and high strength, but also largely economize money, and is an ideal grout.
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