论文部分内容阅读
一、概况 大瑶山隧道由第四设计院设计,出口工区为隧道工程局三处一队施工,三处与专业设计院标准处共同参与锚喷支护的质量管理工作。 出口工区的锚喷支护,采用干法喷射混凝土和全长粘结的钢筋砂浆锚杆。锚杆和喷射混
I. Overview Dayaoshan tunnel designed by the Fourth Design Institute, the export area for the Tunnel Engineering Bureau a team of three construction, and three professional design institute standards Office to participate in the quality control of bolting and shotcrete support work. Anchoring and jetting support for the export area adopts dry-shot concrete and full-length bonded steel mortar anchor. Anchor and spray mix