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在萨德伯里地区最普遍使用的锚固支护有锚固锚杆、钢筋锚杆、摩擦锚杆和锚索。由于这些锚固件的特性不同，所以在不同的加固系统，它们具有不同的韧度、屈服强度、荷载极限、锚固可靠性及能量吸收。这些差异和岩体的可变性以及应力条件的不同，对工程师进行有效支护体系的设计提出了挑战。通过地层控制获得的实践经验和所掌握的知识，一个经验性的基本评价系统现已完成，从而为设计者在不同岩体和应力条件下选择最有效的锚固支护系统提供指导。支护方案的合理选择，可以减少支护系统的维护费用。在任何一个支护设计中，特别是被支护的岩体应力状态可能发生变化时，应提倡使用复合锚固支护方式。
The most commonly used anchor supports in Sudbury include anchor bolts, rebar bolts, friction bolts, and anchor cables. Due to the different characteristics of these anchors, they have different toughness, yield strength, load limit, anchorage reliability and energy absorption in different reinforcement systems. These differences and the variability of rock mass and stress conditions make it challenging for engineers to design effective support systems. An empirical basic evaluation system has been completed through practical experience and knowledge acquired through formation control, providing guidance for designers to choose the most effective anchoring support system for different rock mass and stress conditions. The reasonable choice of support scheme can reduce the maintenance cost of the support system. In any supporting design, especially when the stress state of the supported rock mass may change, the use of composite anchoring support should be advocated.