FPSO精度基准建立与维护技术

Shandong Chemical Industry(2021)

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Abstract
以某圆筒型FPSO为例,建立三维坐标控制网、地样点和基准线相结合的精度控制基准,通过定期进行沉降观测和平面XY校核,对基准点进行修正、更新,实现了该FPSO建造全周期船体分段合拢和上部模块集成的精度控制,该方法有效解决了结构密集导致的视线遮挡、重复转站测量问题,减少了分段及模块合拢结构不匹配,提高了FPSO建造效率和质量.
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