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本文着重对二次张量多项式理论进行实验研究,采用中心反对称±45°切槽单向铺层玻璃钢的圆板试件,获得以实验方法求出影响系数F_(12)的满意结果。根据实验结果,对Tsai—Hill和Tsai—Wu理论的理论强度预测值与实验值进行比较,理论曲线与实验点符合较好。
In this paper, the theory of quadratic tensor polynomial is emphatically studied. Satisfactory results of the influence coefficient F_ (12) are obtained experimentally by using the circular plate specimens with anti-symmetrical ± 45 ° slotted unidirectional FRP. According to the experimental results, the theoretical strength of Tsai-Hill and Tsai-Wu theory are compared with the experimental values, and the theoretical curves are in good agreement with the experimental ones.