The design and test of bolting and rope support under composite roof are introduced, its technical theory and practical application are also expounded.
介绍在复合顶板下，锚杆和锚索支护的设计和试验，并阐明了该技术的机理以及实践中的具体应用。
2
The test reveals the excavation effect, time effect, three-dimensional effect and rainfall lagging effect of the prestressed anchor ropecomposite soil nailing.