Using the technique of modification improved the stress distribution, which provides the theory basis for bearing structure optimization, further improved the performance of bits.
采用修形技术改善了这种应力分布状态，为轴承结构的优化提供理论依据，进一步提高钻头的工作性能；
According to the principle of effective stress, this paper puts forward the theoretical basis for determining foundation's bearing capacity, presents the rational calculation method.
根据有效应力原理，提出了确定地基承载力的理论依据，给出了合理的计算方法。
The relevant tensile test specimens were designed and tested; then the test results were compared and analyzed to obtain the ultimate bearing stress. The study provides the basis for...
首先设计了相应的拉伸试样，进而对试验结果进行了对比分析，得到补焊焊缝的极限承载应力，为补焊管道的安全评价提供了依据。
On the basis of analyzing the failure process and considering the influence of stress spreading, the method determining ultimate bearing capacity of double layer rock foundation is put forward.
针对上硬下软近水平双层岩基的破坏过程，考虑软弱下伏岩层对应力分布的扩散效应，提出双层岩基极限承载力的计算方法。
On the basis of analyzing the failure process and considering the influence of stress spreading, the method determining ultimate bearing capacity of double layer rock foundation is put forward.
针对上硬下软近水平双层岩基的破坏过程，考虑软弱下伏岩层对应力分布的扩散效应，提出双层岩基极限承载力的计算方法。
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