Although there is little effect to limited capacity by circumstance of load test, yet is not ignore effect to the P-S curve of single pile.
单桩静载荷试验的试验环境虽然对极限承载力影响较小，但是对试桩的荷载位移曲线的影响是不可忽视的。
This paper presents a new method that PIR-P dual loop control based on rotating coordinates to improve the output voltage symmetry of inverter under the serious unbalanced load condition.
为改善逆变器系统在严重不平衡负载情况下输出电压的对称性，文中提出一种新颖的控制策略——旋转坐标系下的PIR - P双环控制。
In this paper, the grey theory is used to predict both ts curves obtained from the fast load test and general P-S curve.
运用灰色系统理论，对地基现场快速载荷试验各荷载下的t - s曲线及总体的P - s曲线进行了双重灰色预测。
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