Surveying 2 min read
Theodolite survey
The theodolite is the most precise instrument used for measurement of horizontal and vertical angles. It can also be used…
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Compass survey
When the area to be surveyed is large, chain and compass surveying is preferable. A compass is used to measure the…
Surveying 2 min read
Calculation of Areas from offsets to a Base line
The area may be calculated by the rule: · ü Mid-ordinate Rule · ü Average ordinate Rule · ü Trapezoidal rule · ü Simpson’s Rule 1.Mid-ordinate rule: Area…
Surveying 1 min read
Advantages and Disadvantages of chain surveying Advantages:
· ü Chain surveying is suitable for fairly level ground · ü It does not require costly equipments · ü It is used for preparing plans…
Surveying 4 min read
Instruments used for chain surveying
The various instruments used in chain surveying are as follows. · ü chain · ü arrows · ü pegs · ü ranging rods · ü offset rods · ü plumb bob 1. …
Surveying 4 min read
Measurement of Distance with Chains or Tapes
Measurement of distances using chain or tape is termed as chaining. This is the accurate and commonly employed method in surveying:…
Surveying 4 min read
Chain Surveying – Instruments used in Chaining
Chain survey is suitable when Area to be surveyed is comparatively small and the Ground is fairly level. Chain survey can also…
Surveying 3 min read
Compass Surveying and How to use a Compass
Compass is an instrument which can be used to measure the direction of a survey line with respect to magnetic north-south. The…
Surveying 1 min read
Classification based on instruments used:
Based on various types of instruments used, surveying can be classified into six types. · Chain surveying · Compass surveying · Plane table…
Surveying 1 min read
Classification based on object:
Based on object, there are four types of surveying which are as follows: · Geological Surveying · Mine Surveying · Archaeological surveying · Military…