To install the crane span before installation, camber, level of metal structure of main girder bending, trolley rail height difference, gauge deviation, diagonal bridgesurvey.
The construction survey and control are the critical steps in assuring construction quality of a suspension bridge superstructure.
施工测量控制是悬索桥上部结构施工中保证施工质量的关键环节。
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Therefore, studies one kind to suit in the large-scale bridge building construction high accuracy control surveys and constructs the survey method to be extremely essential.