The rockbolt support rapidly develops in recent years,Application in controlling in tunnel surrounding rock is also more and more broad,especially Australia-American-United Kingdom etc.

• 近年来锚杆支护技术快速发展,在巷道围岩控制中的应用也越来越广泛,尤其是在澳、美、英等锚杆支护技术先进国家。