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介绍了全长锚固四棱形木锚杆的结构、工作原理及施工工艺，对施工关键环节和应用注意事项进行了说明，并分析了其在“三软”煤层综放面应用的支护效果和经济效益。
The structure, working principle and construction technology of the full-length anchored quadrangular wood bolt are introduced, the key aspects of the construction and the precautions of the application are described, and its application in the fully mechanized caving face of the “three soft” coal seam is analyzed Guard effect and economic benefits.