Through the author's effort, program BMP has the function of fore analysis and back analysis to the tunnel rock wall, it changes into a relatively perfect system.
BMP程序对隧道围岩具有正分析和反分析功能，并且通过作者的努力，其成为了一个比较完善的系统。
The kerf is the outside boundary of the tunnel wall that a boring machine gouges out as it bores through the ground or rock.
切口在隧道壁边界的外面，隧道壁是由钻机在钻透土地或岩石时挖出的。
Give collectivity distortion trend in zone of swelling wall rock tunnel.
给出膨胀土围岩地区隧道变形的总体趋势。
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