硅酸盐水泥基材料透波性能研究进展

Research progress on wave permeability of Portland cement-based materials

5G通讯时代对电磁波信号的传输和覆盖有更高的要求,电磁波信号的传输会因密集的建筑物而不断衰减。硅酸盐水泥基材料作为建筑工程领域最常用的一种材料,提高其透波性能对于改善无线通讯系统的信号强度具有重要价值。此外,透波型水泥基材料具有雷达侦察条件下的隐身性能,在军事工程领域同样用途广泛。首先介绍了电磁波的透射机理,然后概述了电磁波在水泥基材料中的传播机理与透射性能评价指标,归纳了水泥基材料透波性能的测试方法,最后总结了影响硅酸盐水泥基材料透波性能的因素,并提出了透波水泥基材料的研究方向。

The 5G communication era has higher requirements for the transmission and coverage of electromagnetic wave signals,and the transmission of electromagnetic wave signals will be continuously attenuated due to dense buildings.Portland cement-based material is one of the most commonly used materials in the field of construction engineering.It is of great value to improve the signal strength of wireless communication system by improving its wave permeability.In addition,wave-permeable cement-based materials have stealth performance under radar reconnaissance conditions,and are also widely used in the field of military engineering.It first introduces the transmission mechanism of electromagnetic wave.Then,the propagation mechanism of electromagnetic wave in cement-based materials and the evaluation index of transmission performance are summarized.And the testing methods of wave permeability of cement-based materials are itemized.Finally,the factors affecting the wave permeability of Portland cement-based materials are indicated,and the research direction of wave permeability cement-based materials is put forward.