The ultrasonic method is unfit for inspecting the depth of crack originated from live load, since the crack will close after the load is removed.
2
主要探讨低应变动力检测法、钻孔连续取芯法在深层搅拌水泥桩检测中的应用。
In this paper, the application of low stress dynamic detecting and drillings to get continuous cores in the testing of deeply stirring cement piles is discussed.
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