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由河北省煤炭科学研究所和峰峰矿务局三矿共同协作进行的动压巷道锚杆支护研究课题,经过一年多的现场试验工作,已经取得很大进展。1980年10月17日至18日,省煤炭局在峰局三矿主持召开了动压巷道锚杆支护评议会,进行了阶段性评议总结。 参加这次评议会的有峰峰、开滦、邯郸、井陉、兴隆、下花园等局矿的有关专
The project of bolt support of dynamic pressure roadway, which is carried out by three coal mines of Coal Science Institute of Hebei Province and Fengfeng Mining Bureau, has made great progress after more than a year of field trial work. From October 17 to October 18, 1980, the Provincial Coal Bureau hosted the council for the bolt support of dynamic roadway under the auspices of the No. 3 Mine of Feng Bureau and conducted a staged review and summary. To participate in the council there Fengfeng, Kailuan, Handan, Jingxing, Xinglong, under the Bureau of the relevant bureau garden