Research on the reform of control surveying course based on the development of surveying instruments;

The reform of control surveying course teaching has an important meaning for improving teaching quality and creating student′s synthetical ability.

Choice of control survey coordinate system of highway;

Application of GPS in Qinling Tunnel Control Survey;

On control survey in tunnel;

The use of control surveying in the mine area ground with GPS and total station instrument;

Application of Excel in the Arrangement of Control Surveying Result;

Area triangulation adjustment correction and coordinate calculation of control surveying based on Excel platform;

Taking an underground defence tunnel project as an example,this paper presents an analysis of construction measurement control in “reverse method” for underground defence tunnel project and a method for computation of large arch construction control scale.

Control Measurement and Hole-Through Survey within Parallel Adit of No. Ⅱ Line in Qinling Extra-Long Tunnel;

It introduced the method and result analysis of the point-scattered lead control measurement with RTK,and pointed out the attentive problems during the measurement.

The application of control measurement in construction of water diversion tunnel are summarized in this paper, which include analysis of the control nodes arrangement, the implementation of measurement, and the re checking in construction, shaking out construction lines, all of these measures ensured the perforation of tunnel with long length but small section.