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LEARNING OUTCOMES
After the end of the course, students will have acquired fundamental knowledge of Geodesy and Topography, as well as a general overview of the subjects of Surveying Engineering, while at the same time they will have become familiar with the basic field topographical work and
measurements. The context of the course aims at understanding the theory and solving the practical issues that arise in the basic geodetic engineering tasks assigned to the students. Finally, it is expected that students will develop critical thinking about problems of basic work performed by the Surveying Engineer, and will be able to resolve them
General Competencies
• Search, analysis and synthesis of data and information, using the necessary technologies.
• Autonomous work.
• Teamwork.
• Criticism and self-criticism.
COURSE CONTENT
Lectures
History of Geodesy. Distinction between Geodesy and Topography; Introduction to Geodesy, definitions; shape, size and density of the Earth; Internal structure and structure of the Earth; internal-external forces; movements of the Earth; rotation around the earth, around the axis of the earth, movement of the pole; transition and congation. Tides. Gravitational field. Levels and coordinate systems. Spheroidal, ellipsoid; geographical coordinates of ellipsoids; geoids and altitude; convergence of verticals; the concept of 1st, 2nd and 3rd fundamental problems. Coordinate transformations: displacement, turning and changing of coordinate scale. Reference ellipsoids and geodetic datum. Projective systems; Greek projective systemsa EGSA and HATT. Changes in the level of the sea. Average sea level. Absolute and relative positions and their depiction. Introduction to surveying. Types of measurements (distances, directions, angles, height differences), units of measurement. Geographical Polar and Cartesian coordinates; basic calculations; determinations of coordinates, direction and distances; errors of measurements, sources and types of errors, significant digits. Accuracy of measurements; transmission of errors. Equally and unequally weighted observations; topographic instruments, classical and modern methods of measurement, fieldwork; maps, diagrams, symbols, drawing methods; surface calculations (geometrical shapes, rectangular and polar co-arranged).
Laboratory Exercises
Laboratory exercises comprising of: basic topographical calculations (distances, angles of direction), compilation of coordinates (polar, cartesian), coordinate transformations(displacement, turning, scale), calculations of geometric sizes (distances, area) and estimation of their accuracy (transmission of errors), presentation and use of topographic measuring instruments and equipment.
STUDENT EVALUATION
- Written exam (50%): Multiple choice questions, methodology development and problem solving
- Laboratory Exercises (50%)
RECOMMENDED BIBLIOGRAPHY
Greek:
1. Agatza A. M., Balodimos D. D., 1988. Introduction to Geodesy. Student Notes of NTUA.
2. Vlachos D., 1987. Topography. Volume A. AUTh Publications.
3. Evangelia Lambrou, Giorgos Pantazis,2010. Applied Geodesy. Ziti Publications, 456 p.
4. Livieratos E., 1999. Theory of Geodesy. Ziti Publications, Thessaloniki.
5. A.G. Badelas A.G. , P.D. Savvaidis, I.M. Yfantis, I.D. Doukas, 2010. Geodesy Volume I Geodetic measurements and calculations. Kyriakides Publishing House,544 p.
6. Tsoulis D., 2004. Introduction to Topography. Ziti Publications, Thessaloniki.
English:
1. Anderson J.M., Mikhail E.M., 1985. Introduction to Surveying. McGraw-Hill, New York.
2. Gomarasca M., 2009. Basics of Geomatics. Springer.
3. Irvine W., 1980. Surveying for Construction. 2nd Edition. McGraw-Hill, New York.
4. Mueller I. I., Ramsayer K. H., 1979. Introduction to Surveying. Frederick Ungar, New York.
5. Shank V., 2012. Surveying engineering & Instruments. White Word Publications.
6. Shepherd F. A., 1977. Engineering Surveying. Edward Arnold, London.