This paper described the practice of using combined beam theory and suspensory theory,such as roof bolt,net,steel rope,and shotcrete being used together to strenthen roof control.
英
美
- 應用組合梁和懸吊理論,對松軟巖層采用支護新技術(shù),即錨、網(wǎng)、帶、索、噴等聯(lián)合支護方式,加強對松軟巖層巷道頂板的控制,降低了材料支護費用,提高了軟巖巷道支護的可靠性,同時(shí)也提高了松軟巖巷的掘進(jìn)速度。
