With reference to the cable replacement construction of Qianwei Minjiang River Bridge, the construction monitoring techniques involved in the cable replacement are studied.
结合犍为岷江大桥换索工程，探讨斜拉桥换索施工监控中的技术问题。
During the monitoring process, frequency method was used in the measurement of cable force, and then the internal forces and alignment of the bridge was adjusted by controlling cable force.
在监测过程中，利用频率法测定索力，通过索力控制来调整桥梁的内力状态及线形。
It is very important for maintaining, monitoring and designing the great bridge to analyze and check the cable-stayed bridge.
斜拉桥检测分析研究对于这类大型桥梁的养管、维修、监测及结构设计有着十分重要的作用。
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