摘要
:针对回采巷道支护特点及其支护现状 ,研制了一种新型帮锚锚杆——全长膨胀塑料锚杆 ,并通过现场试验 ,对其支护效果进行了分析。在此基础上 ,提出了锚固压缩墙角的新观点 。
According to the character istics and the present situation in coal tunnel supporting,the author develops a new type of anchor bolt to support the tunnel wall.The full length expansile plastic anchor.By the test on the spot,its supporting effects was analysed.On the bases,the author brings up a new idea the anchored and pressed wall,to explain the anchor mechanism of the new type of anchor bolt.
出处
《太原理工大学学报》
CAS
2000年第2期110-112,122,共4页
Journal of Taiyuan University of Technology
基金
煤炭工业部科技基金资助项目! ( 93 2 43 77)
关键词
回采巷道
帮锚锚杆
煤巷
巷道支护
锚杆支护
the full length expansile plastic anchor bolt
the anchored wall and pressed
coal tunnel
fractal dimension