The composite cable supports possesses high strength,excellent insulation,strong designability,outstanding fire prevention capabilities,and a long lifespan.It effectively addresses the challenges of corrosion damage,arc damage,and operation and maintenance difficulties caused by humid environments in underground tunnels.Consequently,it finds extensive application in the rail transit sector.The failure criterion for the cable support is determined through a combination of calculation and testing methodologies.By utilizing orthogonal test methods,the impact of each structural characteristic on weight and load performance is evaluated.Additionally,weight reduction optimization schemes are proposed for the cable support structure resulting in up to 17.8％reduction compared to its original configuration.
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