The transforming of survey datum and the control of axis, vertical level, elevation are of great importance on controlling quality of high-rise building construction.
在高层及超高层建筑工程中,测量基准传递和轴线、垂直度、高程控制是建筑物施工质量控制的重点内容之一。
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This paper presents the consideration of establishing the bench marks, working bench marks, marks nets properly for the surveycontrol net of vertical displacement in observation design.