【摘 要】
：
建设大街东桥悬索桥位于辽宁省庄河市,为主跨200m的混凝土自锚式悬索桥,上下游各设一根主缆,每根主缆由32根Φ5.2-169大规格单元索股组成,以有效减小锚固空间。标准丝制作、
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建设大街东桥悬索桥位于辽宁省庄河市,为主跨200m的混凝土自锚式悬索桥,上下游各设一根主缆,每根主缆由32根Φ5.2-169大规格单元索股组成,以有效减小锚固空间。标准丝制作、钢丝集束成型及热铸锚灌铸是索股制作过程中的重点和难点,为保证其制作质量,对原材料质量、工序进行质量控制,并对试验索进行放索试验和静载性能试验。结果表明,大规格单元索股的各项性能指标符合设计和规范要求。按照试验索成熟的制作工艺、质量控制方法,完成了该桥64根索股的制造,热铸锚反顶位移量均小于5mm,索股合格率100%。
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