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本文对南京长江四桥首级施工控制网的建立及特点进行了介绍,对如何采用当前测绘新技术布测特大型桥梁首级控制网并提高其成果精度、可靠性等相关技术指标进行了探讨,对类似精密工程项目具有积极的借鉴意义。
This paper introduces the establishment and characteristics of the first construction control network of Nanjing No.4 Bridge, and discusses how to apply the current surveying and mapping technology to measure and improve the primary control network of extra large bridges and improve the accuracy and reliability of the results. , For similar precision engineering projects have a positive reference.