Engineering Geodesy

Major: Hydrotechnical Construction, Water Engineering and Water Technologies
Code of subject: 6.194.00.O.017
Credits: 3.00
Department: Geodesy
Lecturer: St. teacher, Ph.D. Kubrak Olena Dmytrivna
Semester: 3 семестр
Mode of study: денна
Learning outcomes: Formulate problems for solving problem situations in professional or academic activities. Identify and take into account climatic, engineering-geological, hydrogeological, hydrological and ecological features of territories in the design, construction and operation of professional activities.
Required prior and related subjects: Higher mathematics Physics Fundamentals of hydraulic engineering Geology and hydrogeology Metrology and standardization
Summary of the subject: General information on geodesy. Topographic plans and maps. Geodesy as a science and its historical development. The concept of the shape and size of the Earth. Krasovsky's ellipsoid. Scale. Symbols. Topographic plans and maps. Coordinate systems for determining the position of points on the earth's surface. The concept of Gauss-Krueger projection and the zonal system of flat rectangular coordinates. Orientation of lines. Azimuths. Directional angles and rhumbs of terrain lines. Convergence of meridians. The inclination of the magnetic arrow. The compass. Terrain. Images of terrain on plans and maps. Horizontals and their properties. The main forms of relief. Linear measurements. Units of length. Line measuring instruments. Measurement of lines on the ground. Bringing the measured lines to the horizon Laser roulettes. Application of laser rangefinders "Disto". Angular measurements. The principle of measuring the horizontal angle. Flat angle measure. Purpose of theodolites and their classification. Schematic diagram of a technical theodolite type 2T30. Theodolite axis. Basic geometric conditions. Checks of technical theodolites. Field of view and parallax grid strokes. Levels. Counting devices. Methods of measuring horizontal angles. Measurement accuracy and sources of errors when measuring horizontal angles. The structure of the vertical circle of theodolite type 2T30. Place of zero, its definition and correction. Determination of angles of inclination. Horizontal survey, field work. The concept of the state geodetic network (DGM), thickening networks and survey base. The essence of horizontal shooting. Laying of the theodolite course and its binding to DGM points. Ways to remove the situation. In-house work in horizontal shooting. Elaboration of the log of theodolite survey. Linking the angles of the theodolite course. Calculation of directional angles. Direct and inverse geodetic problems. Calculation and balancing of increments of theodolite course coordinates. Drawing up a plan of horizontal removal. Topographic survey. The essence of tacheometric survey. Trigonometric leveling. Formulas for trigonometric leveling Reduction to the horizon of lines measured with a string rangefinder. Geometric leveling. Classification of the state high-altitude network. Leveling methods. Leveling signs. Classification of levels and rails. Level checks. Methods of geometric leveling. The sequence of work at the station of technical leveling. Accuracy of geometric leveling. Assembly and design of the longitudinal profile of the route. Trace. Calculation of the log of longitudinal leveling of the route. Methods of marking circular curves. Calculation of the main elements of the circular curve. Construction of the route profile. Basic requirements for its design. Geodetic works in the construction of engineering structures Construction grid. Geodetic preparation of data for the design of the building on the ground. Engineering tasks. The essence and methods of surface leveling. Deformations of engineering structures. Observation of deformations. Application of modern geodetic instruments in engineering geodesy. Electronic total stations. Electronic levels. Laser plane builders.
Assessment methods and criteria: Current control: oral frontal and express-examination, protection of reports on laboratory works -70% and control work - 10%. Final control: credit (written component - 10%, oral component - 10%).
Recommended books: 1. Litinsky VO, Vashchenko VI, Periy SS. Geodetic instruments in topography. Lviv, Euroworld, 2012. 2. Moroz OI Topography. Tutorial. Lviv: Lviv Polytechnic Publishing House, 2016. 220 p. 3. Ostrovsky AL, Moroz OI, Tartachynska ZR, Garasymchuk IF Geodesy. Part one. Topography. Textbook Lviv: Lviv Polytechnic Publishing House, 2011. 440 p. 4. Symbols for topographic plans of scales 1: 5000 - 1: 500. Kyiv, 2001. 5. Geodetic encyclopedic dictionary. - Lviv, 2001