本文基于一种新型的轻质活性粉末混凝土材料,研究了轻质高强预制装配式电缆沟,分析了这种材料的材质组成、配制原理和养护工艺,介绍了此种基于轻质活性粉末混凝土预制装配式电缆沟的型式和设计优化,通过在广州某输电线路工程应用,总结了其应用的社会效益和经济效益,为下一步推广奠定了基础。 Based on a new type of lightweight reactive powder concrete material, the light weight and high strength prefabricated cable trench was studied. The material composition, preparation principle and curing process of this kind of material were analyzed. Precasting technology based on lightweight activated powder concrete The type and design optimization of the fabricated cable trench, through the application of a transmission line project in Guangzhou, summed up the social and economic benefits of its application and laid the foundation for the next promotion.