The results show that with the increase of the cone angles and the coefficients of friction in the certain range, the stress of the anchor ring can gradually decrease.

结果表明：随着锥角和摩擦系数在一定范围内增大，锚环的应力会逐渐减小；

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The strain clamp comprises an internal thread pull anchor, a sleeve, an inner-cone external thread core sleeve, an outer-cone elastic clamp core, a bush, and the like.

由内螺纹拉锚、套管、内锥外螺纹芯套、外锥弹性夹芯、衬套等组成。

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