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七十年代以来,利用声发射技术解决地质工程领域中的各种岩石力学问题,在国外已经取得了很大的进展。美同继1975年举行的第一次地质结构和地质材料声发射学术讨论会后,又在1978年初1981年先后召开了第二次和第三次会议。七十年代中期开始,日本也先后开了多次声发射学术会议。美国、西欧和日本还分别成立了声发射研究机构(Acoustic EmissionWorking Group,简称AEWG),以便组织和协调这方面的研究工作。国际性的声发射
Since the 1970s, using acoustic emission technology to solve a variety of rock mechanics problems in the field of geological engineering, has made great progress in foreign countries. After the first scientific seminar on geological structures and geological materials for acoustic emission held in 1975, the United States also held its second and third meetings in 1978 at the beginning of 1981. Since the mid-1970s, Japan has also opened several acoustic emission academic conferences. The Acoustic Emission Working Group (AEWG) has also been established in the United States, Western Europe, and Japan to organize and coordinate research in this area. International acoustic emission