Relationship curves between seam dip Angle, horizontal section height and roof deformation are derived, at the seam time, the criterion of failure is given in this paper.
得出了煤层倾角、水平分段高度对顶板变形的影响关系曲线，同时，给出了顶板破断的判据。
The results were as follows. The horizontal datum and two-pass statics method gave minimum depth error on time section.
试验结果表明，采用水平基准面两步法静校正，时间剖面反演深度误差最小；
The results were as follows. The horizontal datum and two-pass statics method gave minimum depth error on time section.
试验结果表明，采用水平基准面两步法静校正，时间剖面反演深度误差最小；
应用推荐