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What Is Plane Surveying?
Plane surveying is a specific type of surveying where the surface of the earth is considered as plane and the curvature of the earth is not taken into account.Note: The difference in length between the arc and the subtended chord on the surface of the earth is only about 0.1 m in 18.2 km, 0.3 m in 54.3 km, and 0.5 m in 91 km respectively.
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1. Chain Surveying:
Chain surveying is the simplest method of surveying in which the linear measurements are directly taken in the field and the angular measurements are not taken. This type of surveying is mostly suitable when, 1. The area is small.2. Plane Table Surveying:
In plane table surveying the fieldwork and plotting is done using a graphical method. It is mostly adapted for small and medium-scale mapping where great accuracy is not required.3. Compass Surveying:
In this surveying, a compass is used to determine the direction of survey lines, and the length of survey lines is measured by a chain or tape.4. Theodolite Surveying:
In this surveying, a theodolite (a surveying instrument) is used to measure the horizontal and vertical angles.5. Levelling:
Leveling is a method of surveying that determines the heights or elevations of relative points on the surface of the earth.Also Read:
Types Of Scales Used In Surveying.
Advantages And Disadvantages Of Total Station.
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