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提出了一种新型高强聚酯绝缘柱脚,将圆筒形高强聚酯绝缘体作为抗压组件,将高强聚酯筋作为抗拉组件,同时对高强聚酯筋施加一定的预拉力,从而提高整个绝缘柱脚的抗侧刚度,使其不仅易于抗压也易于抗弯和抗拉,改善了整个绝缘柱脚的多向受力性能,提高了其韧性。针对一实际工程,进行了结构柱脚设计以及相应的结构实际受力性能试验。试件为足尺中波塔绝缘柱脚,按实际施工方法组装,依据结构受力分析的结果,分为压剪和拉剪两种工况加载。通过理论及试验研究,分析了新型绝缘柱脚的受力性能,并推广到实际工程中应用。
A new type of high-strength polyester insulating post is proposed. The cylindrical high-strength polyester insulator is used as the compression component and the high-strength polyester as the tensile component. Meanwhile, a certain pre-tension is applied to the high-strength polyester to enhance the overall The anti-side stiffness of the insulation legs makes them not only easy to compress, but also easy to bend and tensile, improving the multi-directional force-bearing performance of the entire insulation legs and improving their toughness. For a practical project, the structure of the column foot design and the corresponding structure of the actual force performance test. The test specimen is full-wave tower insulation column foot, according to the actual construction method of assembly, according to the results of structural stress analysis, divided into two conditions of pressure and shear loading load. Through the theoretical and experimental research, the stress behavior of the new type of insulating post is analyzed and extended to the practical application.