双轴载荷 meaning in English

biaxial loading
tandem axle load
tandem-axle load

Stress analysis on finite orthotropic composite plate with a central hole under biaxial loading
具有中心孔的正交复合材料板在双轴载荷下的应力分析
Experimental study on the multiaxial fatigue behavior of filament - wound glass - fibre / epoxy composite tubes under biaxial tension / torsion loading was presented , and a lot of meaningful experimental data were obtained
摘要采用缠绕成型的玻璃纤维增强聚合物基复合材料管型试样，对复合材料在拉扭双轴载荷作用下的多轴疲劳行为进行了实验研究。
The damage parameter versus fatigue life figures , which were plotted based on the stress - strain analysis and test results , could be used to predict the fatigue lives of the composite with different winding angles
根据双轴载荷条件下管状试样的应力-应变分析及双轴疲劳实验结果，绘制出了基于临界平面的多轴损伤参量与疲劳寿命关系图，可对不同缠绕角的复合材料疲劳寿命进行预测。