Abstract:

Axis transferring to floors is a job which have important role in all surveying task when constructing high and superhigh buildings. For these, it must be to combine GPS and total station measurements to get more accurate projection of control basic networks on the first floor of each projected segment of measured by vertical optical instrument. In the paper, the influence of some factors was studied and explained: plumb lines are not parallel, the deviation of plumb line, the fluctuating of building caused by surroundings to get more accurate axis projection in constructing superhigh building.