Research Article

Replacement of Cable Stays in Yonghe Bridge in Tianjin, China

Table 1

Laboratory test on the basic mechanical performance of parallel wires in Yonghe Bridge.

Performance indexUncorroded conditionCorroded conditionPercentage of variation (%)

Modulus of elasticity (MPa)200400199500−0.4
Nominal yield strength (MPa)1511.861446.02−4.4
Nominal limit strength (MPa)1696.711621.49−4.4
Nominal limit strain (µε)49943.1544397.29−11.1
Elongation (%)4.173.78−9.4