So this paper aim at these questions, though choose suitable mechanics model of cable and analyze the model to educe correlative formula of calculate and validate.
本文针对这些问题，通过选择合适的缆索力学模型并进行力学分析，得出相关的计算、校核公式。
Pulley: in mechanics, a wheel that carries a flexible rope, cord, cable, chain, or Belt on its rim.
滑轮：力学上的一种装置，在边缘装有活动绳索、弦、缆、链条或带子的轮。
Focusing on the new type prestressed anchoring cable, a refined model is established in this paper using the interface stress element method in discontinuous mechanics.
针对这种新型预应力锚索，基于不连续介质力学的界面元法建立了精细模型。
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