Non-destructive testing and pre-warning analysis on the quality of bolt support in deep roadways of

• 作 者: Zhang Houquan Miao Xiexing Zha
• 机 构: StateKeyLaboratoryforGeomechanicsandDeepUndergroundEngineering,SchoolofMechanicsandCivilEngineering
• 出 处: 矿业科学技术学报：英文版
• 发表日期: 2017年6期
• 关键词: Deep roadways BOLT support QUALITY RANDOM NONDESTRUCTIVE testing SURROUNDING ROC
• 基金项目: Financial supports for this work, provided by the State KeyResearch Development Program of China (No. 2016YFC0600705),the Fundamental Research Funds for the Central Universities (No.2015XKZD06), the N

The bolt support quality of coal roadways is one of the important factors for the efficiency and security of coal production. By means of a self-developed technique and equipment of random non-destructive testing, non-destructive detection and pre-warning