本文根据这一特点，探讨了利用磁梯度法检测成桩后钢筋笼长度的原理及其数据分析方法，给出了在某滨海大型电厂桩基工程中的应用实例。
This paper discusses the principle and data analysis of magnetic gradient test to determine the length of a steel reinforced cage, and a case is presented.
鉴于灌注桩中钢筋笼实际长度的检测至今没有成熟检测技术，因此，这种方法对灌注桩的质量控制及同类检测工作有一定的借鉴意义。
Since there is still no mature technology to check the length of reinforcing cage in piles, the present method will provide a reasonable method for checking the length of reinforcing cage in piles.
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