Surveying
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Surveying Syllabus — Unit-wise Content
The official GTU curriculum for Surveying (subject code 3140601) as prescribed for Civil Engineering · Semester 4 divides the course into 9 units, covering 68 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (3140601)Unit 1 Plane Table Survey
- setting up the plane table
- methods of plane tabling
- sources of Errors. 4 8
Unit 2 Theodolite Traversing
- the Vernier transit theodolite
- temporary and permanent adjustment of theodolite
- measuring horizontal and vertical angles
- methods of traversing
- closing error
- computation of latitudes and departure
- check in closed and open traverse
- balancing of traverse
- Gale’s table
Unit 3 Trigonometric levelling
- Indirect levelling
- heights and distances
- direct levelling on steep ground. 5 8
Unit 4 Curves
- classification of curves
- Elements of a simple circular
- designation of curve
- methods of setting out a simple circular curve
- elements of a compound and reverse curves
- transition curve
- types of transition curves
- combined curve
- types of vertical curves
Unit 5 Areas and Volumes
- computation of area
- computation of area from field notes and plotted plans
- boundary area
- area of traverse
- Use of Plannimeter
- computations of volumes
- Volume from cross sections
- Trapezoidal and Prismoidal formulae
- Prismoidal correction
- Curvature correction
- capacity of reservoir
- volume from borrow pits
Unit 6 Tachometric Surveying
- methods of tacheometry
- stadia constants
- anallatic lens
- Subtense bar, field work in tacheometry
- reduction of readings
- errors and precisions
Unit 7 Geodetic Surveying
- principle and uses of triangulation
- triangulation systems and its classification
- well- conditioned triangles
- strength of figure
- selection of triangulation stations and their inter-visibility
- stations marks
- towers and scaffolds
- base line
- site selection and base line measurement
- tape corrections
- the base net, extension of base line
- satellite station and reduction to centre
Unit 8 Theory of Errors
- types of errors
- laws of accidental errors
- laws of weights
- theory of least squares
- rules for 6 10 Subject Code:3140601 giving weights and distribution of errors to the field observations
- determination of the most probable values of quantities
Unit 9 Modern Surveying Instruments
- electromagnetic spectrum
- electromagnetic distance measurement
- types of EDM instruments
- electronic digital theodolites
- total station
- digital levels
- scanners for topographical survey
- global positioning system
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