冶金部于1982年9月20日至24日在山东张家洼工程指挥部召开了该矿区软弱破碎岩体巷道喷锚支护技术等五项科研成果鉴定会。出席这次会议的有冶金、煤炭、铁道、国防等系统40个单位,90名代表。会议期间,与会代表听取了马鞍山矿山研究院和张家洼工程指挥部的有关技术报告,审查了资料,参 Metallurgical Department held a research appraisal meeting of five scientific research achievements on shotcrete and bolt support technology of weak and broken rock mass roadway in the project headquarters of Zhangjiawa, Shandong from September 20 to September 24, Attending this meeting are 40 units of metallurgy, coal, railway, national defense and other systems and 90 delegates. During the meeting, the participants listened to the relevant technical reports of the Maanshan Mining Research Institute and Zhangjiawa Engineering Command, reviewed the data,