Abstract
This research considers the survey of the circular curve of the operating railway using an electronic total station, which determines the coordinates of points on the curve and calculates the coordinates of the main points of the circular curve. The goal is obtaining information with sufficient accuracy about the spatial position of the parameters of the railway plan, i.e. the device of the railway plan: turning angles, radiuses, lengths of straight lines and curves. Recommendations for determining the elements necessary to locate the main points of curves and their coordinates are considered. The advantage of this method is the simplicity of calculation, which allows the compiled program and high efficiency of determining the main points of curves using a modern geodetic device-the electronic total station Trimble VX (USA).
Highlights
In the tasks of inventory of Railways and railway stations, it is possible to create automated databases, which will be based on digital and electronic plans of stations and crossings within the railway right-of-way
Modern measurement tools are widely used in the form of electronic total stations, GNSS, laser scanners, unmanned aerial vehicles (UAVs) and aerospace survey methods
One of the most important stages of shooting with electronic total station of operated Railways is the shooting of its curved sections
Summary
In the tasks of inventory of Railways and railway stations, it is possible to create automated databases, which will be based on digital and electronic plans of stations and crossings within the railway right-of-way. Descriptions of the scheme: − VA – vertex angle of the rotation; − 1, 2, 3, 4 – measuring points; − BC – beginning of the curve; − EC – end of the curve; − MK – middle of the curve; − CC – center of the curve; − f – deflection; − R – radius of the circular curve; − B – bisector; − Т – tangent; − D – domer; − Line 1 – 4 – string. The coordinates of the vertex of the rotation angle are calculated using the following formulas: xVA
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