基于采场结构参数优化后的充填体强度数值模拟
徐路路,张钦礼,冯如

Numerical Simulation of Backfill Strength Based on Optimization Results of Stope Structural Parameters
Lulu XU,Qinli ZHANG,Ru FENG
表3 各模型顶板、矿柱和充填体柱压应力和拉应力模拟数值汇总
Table 3 Numerical simulation summary of compressive stress and tensile stress of roof,pillar and filling column of each model
状态区域方案编号模拟压应力值/Pa许用压应力值/Pa安全系数K稳定性模拟拉应力值/Pa许用拉应力值/Pa安全系数K稳定性

顶板1-11.53E+051.66E+07108.55稳定1.83E+054.50E+0624.59稳定
1-22.04E+051.66E+0781.40稳定2.58E+054.50E+0617.44稳定
1-32.92E+051.66E+0756.86稳定5.05E+054.50E+068.91稳定
1-49.76E+051.66E+0717.01稳定9.55E+054.50E+064.71稳定
1-53.20E+061.66E+075.19稳定2.70E+064.50E+061.66稳定
矿柱1-15.25E+063.52E+076.70稳定3.12E+068.40E+062.69稳定
1-26.34E+063.52E+075.55稳定4.06E+068.40E+062.07稳定
1-39.55E+063.52E+073.69稳定5.53E+068.40E+061.52稳定
1-42.40E+073.52E+071.47临界9.07E+068.40E+060.93不稳定
1-53.58E+073.52E+070.98不稳定1.10E+078.40E+060.77不稳定

顶板1-11.93E+051.66E+0786.19稳定5.70E+054.50E+067.89稳定
1-24.24E+051.66E+0739.19稳定8.80E+054.50E+065.11稳定
1-35.03E+051.66E+0733.03稳定1.45E+064.50E+063.10稳定
1-48.90E+051.66E+0718.66稳定3.88E+064.50E+061.16临界
1-51.07E+061.66E+0715.57稳定4.55E+064.50E+060.99不稳定

充填

体柱

1-11.15E+051.16E+0610.06稳定9.60E+042.00E+052.08稳定
1-21.47E+051.16E+067.88稳定1.13E+052.00E+051.77稳定
1-32.21E+051.16E+065.24稳定1.53E+052.00E+051.31临界
1-43.01E+051.16E+063.85稳定1.96E+052.00E+051.02临界
1-57.81E+051.16E+061.48临界2.32E+052.00E+050.86不稳定