Tuesday, 20 September 2016

GENERAL PRINCIPALE OF SURVEYING



civil surveyor course in Rawalpindi

The general principal of surveying are; to work from the whole to the part and, to locate a new station by at least two measurement, line or angular from fixed reference points. Technical Data used in the field explained in civil surveyor course in Rawalpindi. According to the first principle, the whole area is first enclosed by main stations, I.e., controlling stations, and main survey lines ,i.e. controlling lines.
 The area is then divided into a number of parts by forming well-conditioned triangles. A nearly equilateral triangle is considered to be the best well-conditioned triangles the main survey lines are measured very accurately with a standard chain. Then the sides of there triangles are measured. Some more details of civil surveyor course in Rawalpindi are as under.
The purpose of this process of working is to prevent accumulation of error. During this procedure, if will not affect the whole work. The error can always be detected and eliminated. But if the reverse process, i.e. form the part to the whole, is followed, then the minor errors in measurement will be magnified in the process of expansion and a stage will come when these errors will become absolutely uncontrollable. According to the second principal, the new station should always be fixed by at least two measurements, line or triangle, from fixed reference points. TSK Training for Skills and Knowledge is the best institute in Rawalpindi Islamabad for Pakistani Students who wants to join civil surveyor course in Islamabad.


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