The equipment is mainly used for the shaping work of U-shaped steelarchsupport when it deforms, distorts or partial damages, to increase the number of profiles in the re-use.
该设备主要用于U型钢拱形支架使用后发生变形、扭曲或局部破损的整形工作，以增加型材的复用次数。
2
From the above analysis, it is shown that under the condition of steelarchsupport, the support effect of systematic rock bolts in loess tunnel is not obvious, which can be ignored.
综合以上分析表明，在黄土隧道中，钢架支护条件下的系统锚杆支护效果不明显，可以取消。
3
Steel shank for increased support under the arch and extra stability.