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Surveying. Prof. Bharat Lohani. Department of Civil Engineering. Indian Institute of Technology, Kanpur. Module – 1. Lecture - 1. Introduction to Geoinformatics. Module Name, Download, Description, Download Size. Unit-1, ASSIGNMENT -1, ASSIGNMENT -1, 10 kb. Unit-1, Week 0 Assignment 1, Week 0 Assignment 1. Surveying. Lectures by Prof. Bharat Lohani Department of Civil Engineering IIT Kanpur. Module - 1 Lecture - 1 Surveying Module - 2 Lecture - 2 Surveying.


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Introduction to surveying and Mapping. Introduction to Surveying · Fundamentals of Mapping · Overview of Surveying and Indian Topographic Map. NPTEL provides E-learning through online Web and Video courses various streams. Surveying. Prof. Bharat Lohani. Department of Civil Engineering. Indian Institute of Technology, Kanpur. Lecture No. # Module No. # 0 7. Leveling and.

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Contour Map Military Map Geological Map Archaeological Map Setting Out Work Thus the surface is obviously curved. In such surveying a line joining any two stations is considered to be straight. The triangle formed by any three points is considered as a plane triangle, and the angles of the triangle are considered as plain angles.

Plain Surveying It is generally extended over larger areas. The line joining any two stations is considered as curved line.

The triangle formed by any three points is considered to be spherical and the angles of the triangle are considered to be spherical angles. Geodetic surveying is conducted by the survey of India Department and is carried out for a larger area exceeding km2 Geodetic Surveying The earth surface is considered as Curved Surface. The Curvature of the earth is ignored The curvature of earth is taken into account. The triangle formed by any three points is considered as plain The Triangle formed by any three points is considered as spherical.

The angles of triangle are considered as plain angles. The angles of the triangle are considered as spherical angles. Fundamental Principles of Surveying Always work from whole to the part: Control stations and main survey lines.

The area is then divided into a number of divisions by forming well conditioned triangles. Work from Whole to the Part The remaining sides of the triangle are measured.

The purpose of this method of working is to control accumulation of errors.

During measurement, if there is any error, then it will not affect the whole work, but if the reverse process is followed then the minor error in measurement will be magnified. If two control points are established first, then a new station can be located by linear measurement. Fundamental Principles of Surveying Angular measurements are not taken. Chain Survey Compass Survey Plane Table Surveying Theodolite Survey Tachometry Survey Leveling Survey Total Station.

Photogrammetric Survey EDM Survey The entire area is divided into network of triangles. It may be open or closed. When the linear measurements are done with a chain and a tape and the directions or horizontal angles are measured with a compass or a theodolite respectively the survey is called traversing. Triangulation Traversing In addition, geological features of the terrain such as folds and faults are located. It is conducted for the exploration of mineral deposits and to guide tunneling and other operations associated with mining.

Mine Survey Aerial surveys are conducted for this purpose. It is conducted to locate strategic positions for the purpose of army operations. Archaeological Survey Military Survey Topographical, city and cadastral surveys are some of the examples of land surveying. This Survey consists of locating shore lines of water bodies. Land Survey Aerial cameras take photographs of the surface of the earth in overlapping strips of land. This is also known as photographic survey.

Astronomical Survey Aerial Survey The horizontal plane is represented by plane of drawing sheets on which the plan is drawn to some scale However the surface of the earth is curved it cannot be truly represented on a plane without distortion. A plan is drawn on a relatively large scale. Thus graphical representation is called a plan if the scale is large while it is called a map if the scale is small.

On topographical map, however the vertical distances elevations are also represented by contour lines. Plan Map Scale It involves interpreting and advising on boundary locations, on the status of land ownership and on the rights, restrictions and interests in property, as well as the recording of such information for use on plans, maps, etc.

It also involves the physical delineation of property boundaries and determination of dimensions, areas and certain rights associated with properties, whether they are on land, water or defined by natural or artificial features.

Cadastral surveys are generally performed to subdivide land into parcels for ownership under a land title and to re-establish boundaries of previously surveyed properties to determine the physical extent of ownership or to facilitate the transfer of the property title. There are three main types: Geodetic Surveying pdf notes Uploaded by Richard Bryan.

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Related titles. Jump to Page. Search inside document. Geodetic Surveying The art of Surveying the earth surface considering its shape and size is called Geodetic Surveying. Documents Similar To Geodetic Surveying pdf notes.

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