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阐述了桥梁施工中的特殊条件下，桥位控制网的布设，认为采用全站仪极坐标法放样时，可以完全不测设过去为桥梁施工所布设的施工控制网。桥梁控制点应灵活布设。
The construction of bridge control network under special conditions in bridge construction is described. It is considered that the construction control network laid for bridge construction in the past can not be measured at all when using the total station polar coordinate method. Bridge control points should be flexible layout.