用半理论半经验的方法对采准巷道支护结构造价及损失期望作了详细推导与分析,并由此得出支护结构最优可靠度的确定方法,为最后进行支护参数的设计打下了基础,并为矿业工作者降低地下采准工程成本提供了新的思路. The semi-theoretical and semi-empirical method is used to derive and analyze the cost and loss expectation of the roadway supporting structure in detail. From this, the method to determine the optimal reliability of the supporting structure is obtained, and the design of the supporting parameters is finally laid down The basis for mining workers and reduce the cost of underground engineering provides a new way of thinking.