该技术在控制断面超欠挖,提高光面爆破水平效果明显。
The technology can be used to keep cross-section excavation in control and improve explosion level.
通过数据采集,进行坐标转换,能够方便地计算出测点超欠挖。
Through data collection and coordinate transformation, the over-under-excavated values can be obtained easily.
在超欠挖严重的情况下,对隧道的稳定性,尤其是软岩隧道会产生一定的影响。
Tunnel stability, especially in soft rock tunnel, will be affected to certain degree for the enormous over-break or under-break of excavation.
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