The paper trys to analyse stability of column by the method of dynamic analysis, deduces the formula of relation between axial compressive force and frequency of transverse vibration.
尝试用动力分析的方法对压杆稳定问题进行理论分析与实验研究。
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The cementing performance of such wastes as iron mine tailings, steel slag and oil shale residue was tested with XRD at middle temperature in the perspective of compressive strength and stability.
The study results on mechanical properties of fine cement grout and its calculus, including cohesion, stability, setting time, compressive resistance and impervious strength, etc.