4) The main cables, which were erected by Prefabricated Parallel Wires Strand method, were made of newly developed high strength galvanized wires, whose breaking strength was improved to 1800 N/mm2.

• 主缆采用预制平行丝股法架设而成。钢丝束使用了最新的高强镀锌钢丝，其抗拉极限强度高达1800MPa。