揭示了煤体边缘水平应力和垂直应力峰值不耦合的规律以及巷道顶板应力峰值随煤柱宽度不同而演化的轨迹。
The study manifested the uncoupled pattern of the peak stresses in vertical and horizontal directions, as well as the stress evolution trace varying with pillar width.
在安装过程中，他们发现该设备宽3米，而330巷宽只有4.8米，这样基础位置垂直于该巷道，面临90度转弯的难题。
During installation, they found the device and 3 meters wide, while only 4.8 meters wide, Lane 330, this basic position perpendicular to the roadway, facing 90-degree bend problem.
根据模拟结果，在垂直应力大于水平应力的情况下，破坏主要在巷道侧面上发生。
According to the simulation result, in the condition of vertical stress greater than horizontal stress, the failure occurs in lateral wall of the tunnel.
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