Research Article

Circumferential Expansion Property of Composite Wrapping System for Main Cable Protection of Suspension Bridge

Table 5

The influence of the number of the prepreg wrap and rubber belt layers on the circumferential bearing capacity and radial displacement of the specimen.

Number of rubber layerNumber of prepreg layer (1 → 2)Number of prepreg layer (2 → 3)Number of prepreg layerNumber of rubber belt layer (0 → 1)Number of rubber belt layer (1 → 2)

Growth rate of radial displacement0-1.95%25.83%112.66%10.09%
17.49%17.69%223.51%11.26%
28.64%13.25%315.53%7.06%

Growth rate of circumferential bearing capacity095.04%65.31%18.42%10.19%
196.73%85.52%29.36%17.64%
2109.01%70.4%322.72%7.53%