The thermal detection approach is effective for monitoring the stress variation of rock mass in mine.
热探测法对于矿山岩体应力变化监测是实用和有效的。
A velocity wave and a stress wave resulting from the stress variation are transmitted downward along the drill string.
悬点的应力变化产生速度波和应力波沿钻杆向下传递。
There is few theoretical analysis and study about the soil stress variation and the soil compacted effect between piles when making holes.
对挤密桩挤密成孔过程中桩周土体的应力变化和随应力变化发生的桩间土体挤密效果的理论研究并不是很多。
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