由湖南省冶金厅主持的缝管锚杆及安装机具技术推广应用会议于1984年4月25日至28日在湖南省衡东县召开。来自全国52个单位的90多名代表参加了会议。缝管锚杆是一种全长锚固、主动加固围岩的新型锚杆,具有许多显著优点,是锚杆技术的一个突破。1982年末曾进行过鉴定,并定点由 Hosted by the Hunan Provincial Metallurgical Office anchor bolt and installation of equipment technology to promote the use of the meeting April 1984 April 28 to 28 held in Hengdong County, Hunan Province. More than 90 delegates from 52 units nationwide attended the meeting. Pipe bolt is a new type of anchor with full-length anchorage and active reinforcement of surrounding rock. It has many significant advantages and is a breakthrough of anchor technology. Appraisal was carried out at the end of 1982, and fixed by