全断面矩形掘进机刀盘截入岩样过程试验研究

李强,刘送永,王焱

Experimental study on the process of cutting into rock samples by full-section rectangular roadheader cutterhead

Qiang LI,Songyong LIU,Yan WANG

表2 岩样截割断面的实际轮廓与仿真轮廓对比

Table 2 Comparison of actual contour and simulated contour of cutting section of rock samples

对比项 周长/mm 面积/mm2 周长差异率/% 面积差异率/% 实际轮廓（岩样1） 1 962.31 265 956.36 2.30 3.65 实际轮廓（岩样2） 1 996.02 278 932.24 4.06 8.71 仿真轮廓 1 918.22 256 581.74 — —