问题描述：
英语翻译
A plan of the panel P-31 of seam no.lA of GDK-SA incline is shown in Fig.1.A three dimensional view and plan view of the model showing grid pattern in and around the seam and panel is shown in Fig.2a and b,respectively.Modelling results,in the form of estimated rock load height (RLH) with safety factor 1.5 (using the Sheorey failure criterion described in Sections 4.1 and 4.2 in this paper) in the immediate roof strata at the slice junction,in the split gallery,within the slice and at the goaf edge with different values of in situ stress ratio K,weighted RMR of the immediate roof strata and width variation of split and slice are given in Table 3.The geometrical parameters simulated in model are given in Table 2 where,the area of extraction before main fall was 2670 rrr',
A plan of the panel P-31 of seam no.lA of GDK-SA incline is shown in Fig.1.A three dimensional view and plan view of the model showing grid pattern in and around the seam and panel is shown in Fig.2a and b,respectively.Modelling results,in the form of estimated rock load height (RLH) with safety factor 1.5 (using the Sheorey failure criterion described in Sections 4.1 and 4.2 in this paper) in the immediate roof strata at the slice junction,in the split gallery,within the slice and at the goaf edge with different values of in situ stress ratio K,weighted RMR of the immediate roof strata and width variation of split and slice are given in Table 3.The geometrical parameters simulated in model are given in Table 2 where,the area of extraction before main fall was 2670 rrr',
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