近年来煤巷锚杆支护依靠其先进性、技术性和可靠性在国内煤矿得到了快速的推广和应用,成为矿井煤巷的主要支护方式。特别是在兖矿集团锚杆支护技术得到了广泛的推广和成熟的运用,推广应用中坚持实事求是的科学态度,高度重视锚杆支护的技术问题,积极推广 In recent years, the bolting of coal roadway relies on its advanced nature, technicality and reliability in the domestic coal mines have been rapidly popularized and applied to become the main support of coal mine roadway. Especially in Yankuang Group bolting technology has been widely promoted and mature use, popularize and apply the scientific attitude of seeking truth from facts, attaches great importance to the technical issues of bolt support, and actively promote