快硬水泥卷锚杆,又称快硬膨胀水泥锚杆药卷,是利用加有特殊添加剂水泥的微膨胀作用使锚杆锚固在岩体内的一种新的矿山支护产品。该产品已在200多个煤矿区广泛应用,黑色冶金矿山从1986年开始使用,但用户不多。一般在采场、巷道中作支护用,还可作为井筒装备的牛腿子锚固、巷道内吊挂皮带运输机、锚固绞车基础等。 Quick-hardening cement roll anchor, also known as quick-hardening expansion of the cement bolt roll, is the use of additives with special additives to make the anchor expansion in the rock bolting a new type of mine support products. The product has been widely used in more than 200 coal mines. Black metallurgical mines have been used since 1986, but not many users. Generally in the stope, roadway for support purposes, but also as a wellbore equipped with beef leg anchor, hanging belt conveyor within the roadway, anchor winch foundation.