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针对两栖装甲车辆装甲板裂纹现象，设计了表面应力测试试验。通过对某型两栖装甲车辆进行试验，并对采集的数据处理分析，获得了车体裂纹频发位置的主应力分布，验证了装甲板表面主应力是导致产生裂纹的主要因素，为解决裂纹问题提供了理论依据。
Aiming at the phenomenon of armor plate cracks in amphibious armored vehicles, a surface stress test was designed. By testing a certain type of amphibious armored vehicle and analyzing the collected data, the distribution of the principal stress of the car body crack at frequent locations was obtained. It was verified that the main stress on the surface of the armor plate was the main factor causing the crack. To solve the problem of crack Provided a theoretical basis.