OPTIMIZATION AND EXPERIMENTAL STUDY OF SUPPORTING PARAMETERS OF YONGZHOU RAILWAY BASED ON TOTAL SAFETY FACTOR METHOD
In order to solve the problem that traditional composite lining design method is difficult to evaluate the safety of the overall support structure uniformly,combined with the support parameter optimisation theory and the actual working conditions of Yongzhou railway,a typical calculation section is selected,and numerical simulation and the total safety coefficient method are adopted to analyse the safety of the optimised support parameters under the working conditions of different peripheral rock levels.The results show that the optimised support parameters meet the safety requirements,indicating that the total safety coefficient method is feasible to be used for the fine optimisation of support parameters.
NETL
NSTL
万方数据
