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为了对根土复合体展开深入研究,根据现有剪切试验的不足,文章研发了一种根土复合体原位剪切试验装置,装置由剪切圆环、固定圆环、荷载施加装置、推力测试装置,连接杆、导向槽,导向杆,种植桶等构成。采用该装置进行根土复合体进行剪切试验时不需要现场取样,不对根土复合体产生扰动,并可对不同深度处根土复合体进行剪切试验。通过实际应用验证了装置的可靠性,详述了其使用方法。
In order to carry out in-depth study of the root-soil complex, according to the shortages of the existing shear tests, a root-soil composite in-situ shear test device was developed. The device consists of a shear ring, a fixed ring, a load applying device, Thrust test device, connecting rod, guide groove, guide rod, planting barrels and other components. When the device is used for the cutting test of the soil-root composite, the sampling does not need to be carried out on the spot and the disturbance to the composite of the root and soil is not generated, and the shear test of the root-soil composite at different depths can be conducted. The reliability of the device was verified through practical application, and the method of its use was described in detail.