Question
Download Solution PDFThe stadia method used in tacheometric surveys generally refers to measurements taken with a __________.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
- The stadia method in tacheometric surveys involves using a tacheometer, which is a type of theodolite equipped with fixed stadia hairs (also known as stadia lines).
- These stadia hairs are horizontal crosshairs in the instrument's telescope. The method works by measuring the difference in the staff readings corresponding to the upper and lower stadia hairs.
- This difference, when multiplied by a constant known as the stadia constant, gives the distance from the instrument to the staff.
- The key characteristic of this method is the use of fixed stadia hairs, which allows for quick and reasonably accurate distance measurements without the need for tape or chains.
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