锚杆支护技术早已用于铁路隧道工程中,特别是近几年来,大力推广采用新奥法的施工中,更为广泛地应用。目前,在我国的铁路隧道工程中,一般采用点锚固型的楔缝式锚杆和全长锚固型的砂浆锚杆,其中以砂浆锚杆最为普遍。在我局修建京广复线坪(石)一乐(昌)段的隧道工程中,两年多的时间,其用量在万根以上。通过工程实践,锚杆为采用新奥法施 Bolting technology has long been used in railway tunnel engineering, especially in recent years, vigorously promote the use of new Austrian law construction, more widely used. At present, in our country’s railway tunnel project, the general use of point-anchoring wedge-type anchor and full-length anchor-type mortar anchor, mortar anchor the most common. In our bureau to build the Beijing-Guangzhou double line Ping (stone) a music (Chang) section of the tunnel project, more than two years, the amount of more than ten thousand. Through engineering practice, the anchor for the new Austrian Fasi