通过某工程实例来探讨复合土钉支护技术的施工工艺、控制要点以及产生的效果。
Based on the practical project, author shows the construction technology, key control point and effects of the composite soil nail support technology.
管棚复合钢支撑技术，是一个通过超前管棚、支撑钢拱、白铁皮隔离、工作面封堵的相互配合和共同作用，形成了具有强大支护抗力的复合支护体系。
Pipe lodgepole-steel tunnel support technique is a strong composite support system consisting of advance pipe lodgepole, support stell vault, tin plate packer and working surface plug-back.
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。
The design and test of bolting and rope support under composite roof are introduced, its technical theory and practical application are also expounded.
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