Testing bearing pile with low strain method will be some defects in the bottom if the echo from the tip has the same phase as the pulse at the top.
用低应变法检测嵌岩桩，若桩底出现明显同相反射，多数因桩底缺陷引起。
Testing bearing pile with low strain method will be some defects in the bottom if the echo from the tip has the same phase as the pulse at the top.
用低应变法检测嵌岩桩，若桩底出现明显同相反射，多数因桩底缺陷引起。
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