In this paper, the main ideas include that, (1) based on the theory of soil-slope anchorage and stabilization, the incremental calculation method for soil nail forces in soil nailing is put forward;
根据土钉支护作用机理，提出了基于边坡锚固稳定思想的土钉力的增量计算方法；
The portable sampler is used in soil investigation. It is made of a frame of aluminum alloy, a spiral anchorage block, an upset by chain driver, and a turn by bevel gear, etc.
便携软层取样器用于土层勘察取样，主要由铝合金机架、螺旋式地锚、链传动加压及伞齿轮回转等部件组成。
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