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索鞍索夹是悬索桥主缆系的重要结构件,为了保证悬索桥100年的设计安全使用寿命,索鞍索夹需要采取有效的防护措施,目前索鞍索夹主要应用涂装防护方法。由于特大悬索桥索鞍索夹结构比较特殊,需要针对其结构特点和要求,以及不同部位的使用状态等,研究出科学合理、性能长效的涂装防护方案。结合南京四桥索鞍索夹涂装防护实践,探讨索鞍索夹防护方案、涂装施工和特殊部位防护的有关问题。
Cable saddle cable is an important structural component of the main cable suspension bridge. In order to ensure the safe design service life of the suspension bridge for 100 years, the cable saddle cable clamp needs effective protective measures. At present, the cable saddle cable clamp mainly adopts the coating protection method. Due to the special structure of the cable saddles, the structure and requirements of the cable saddles of the super suspension bridge need to be studied in order to find out the scientific and rational long-term coating protection solutions. Combined with the protection of Nanjing No.4 cable saddle cable clip, this paper discusses the protection of the saddle cable clip, the construction of coating and the protection of special parts.