The moment-curvature relationship chosen is assumed to have a horizontal branch beyond yield, with the moment remaining constant at the ultimate value.
所选用的弯矩-曲率关系是假定超过屈服后有一个水平段,即弯矩保持在极限值不变。
This article clears the measuring coupling relationship between horizontal azimuth and pitch angles by detailed mathematical deduction.
本文通过详细的数学推演,厘清了水平方位角与俯仰角测量耦合的关系。
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。
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