In this paper laminated piezoelectric composite materials with orthotropic properties, and structures performances of orthotropic piezoelectric sensing elements and actuation elements are studied.

研究了具有压电正交异性特征的片状压电复合材料及其正交异性压电传感元件、驱动元件的构造机理、性能。

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The key materials are: Black and white reconstituted stone, stretch ceiling light box, tinted laminated glass, rainbow tinted acrylic, composite aluminium panels and glass Reinforced Gypsum board.

主要的材料为：黑色与白色合成石，拉膜灯箱，彩色夹胶玻璃，彩虹亚克力板，铝板，高强石膏板等。

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Calculated and experimental results show that this method is feasible, especially is fit for the damage evaluation of composite laminated materials subjected to impact.

计算和试验结果表明，此方法是可行的，特别适合于层合板冲击后的损伤评估。

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