摘要
该文主要介绍了瞬变电磁法的原理和其在隧洞中应用与地面应用的不同之处及改进现状。通过西北某引水隧洞超前地质预报应用实例,肯定了瞬变电磁法在超前地质预报中的技术优势,但也指出了金属干扰和异常位置精度仍是其今后需继续改善的地方。
This paper mainly introduces the principle of TEM, the difference between it used in the tunnel and in the ground, and the improvement status. Through an application example of advanced geological prediction in a diversion tunnel in northwest China, the technology advantage of TEM in advanced geological prediction is confirmed. But it also points out the metal interference and the abnormal position accuracy are still the problems need to be improved in future.
出处
《勘察科学技术》
2017年第1期62-64,共3页
Site Investigation Science and Technology
关键词
瞬变电磁法
隧洞
超前地质预报
transient electromagnetic method
tunnel
advanced geological prediction
