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。
2
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。
3
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.