JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objectives

To impart knowledge about all the measurement techniques, to know the ground

topography, modern survey equipments and be able to use different software applications in surveying.

Course Outcomes

The learner will be able to Conduct tacheometry and geodetic survey, apply

knowledge of astronomy for solving civil engineering problems, explain use of aerial camera, aerial photographs and procedure of aerial survey and apply GIS in solving engineering problems

UNIT - I

Tacheometric Surveying: Introduction, purpose, principle, instruments, stadia constants, methods of tacheometry, anallatic lens, subtense bar, field work in tacheometry, reduction of readings, errors and precisions. Geodetic SurveyingPrinciple and Classification of triangulation system Selection of base line and stations- Orders of triangulation- Triangulation figures- Station marks and signals- marking signals- Extension of base, Reduction of Centre, Selection and marking of stations

UNIT - II

Theory of Errors : Introduction, types of errors, definitions, laws of accidental errors, laws of weights, theory of least squares, rules for giving weights and distribution of errors to the field observations, determination of the most probable values of quantities.

UNIT - III

Field Astronomy: Introduction, purposes, astronomical terms, determination of azimuth, latitude , longitude and time corrections to the observations.

UNIT - IV

Aerial photogrammetry : Introduction, Principle, Uses, Aerial camera, Aerial 6 10 photographs, Definitions, Scale of vertical and tilted photograph,, Ground Co-ordinates, Displacements and errors, Ground control, Procedure of aerial survey, Photomaps and mosaics, Stereoscopes, Parallax bar.

UNIT - V

Modern Surveying Instruments: Introduction, Electromagnetic spectrum, Electromagnetic distance measurement, Total station, Digital self-leveling levels , scanners for topographical survey. Remote Sensing Introduction, Principles of energy interaction in atmosphere and earth surface features, Image interpretation techniques, visual interpretation, Digital image processing, Global Positioning system. Geographical Information System Definition of GIS, Key Components of GIS, Functions of GIS, Spatial data, spatial information system Geospatial analysis, Integration of Remote sensing and GIS, and Applications in Civil Engineering

REFERENCE BOOKS:

• 1. Advanced Surveying by R. Agor, Khanna Publishers, New Delhi
• 2. Fundamentals of Surveying by Roy, S.K., Prentice Hall India, New Delhi
• 3. Surveying and Leveling by Subramanian, R., Oxford University Press, New Delhi
• 4. Remote Sensing and GIS by B Bhatia, Oxford University Press, New Delhi.
• 5. Remote sensing and Image interpretation by T. M Lillesand, R.W Kiefer, and J. W Chipman, 5th edition, John Wiley and Sons India
• 6. Surveying theory and practice 7th Edition by James M Anderson and Adward M Mikhail Tata McGraw Hill Publication. M. Tech – I year II Sem. (Infrastructure Engineering)