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Tacheometry is a method that allows for the measurement of horizontal and vertical distances using angular observations with a tacheometer, proving to be more efficient than traditional chaining methods, especially in rough terrains. Key instruments include the tacheometer and levelling rod, while methods vary based on whether the line of sight is horizontal or inclined. Procedures for trigonometrical levelling and traverse computations are important for determining object heights and managing coordinate computations.
Chapter 79 sections
Tacheometry is a method that allows for the measurement of horizontal and vertical distances using angular observations with a tacheometer, proving to be more efficient than traditional chaining methods, especially in rough terrains. Key instruments include the tacheometer and levelling rod, while methods vary based on whether the line of sight is horizontal or inclined. Procedures for trigonometrical levelling and traverse computations are important for determining object heights and managing coordinate computations.
Tacheometry is quicker and more accurate than chaining/taping, especially in difficult terrains.
A tacheometer consists of a telescope with a stadia diaphragm allowing for precise distance measurements.
Understanding horizontal and vertical distances requires knowledge of instrument constants and careful measurements in varying terrains.
A surveying method to determine horizontal and vertical distances using angular measurements with a tacheometer.
An instrument used in tacheometry, typically a theodolite with a specialized diaphragm for distance measurement.
Horizontal hairs in the tacheometer's telescope that help determine staff intercepts and distances.
Computed using staff intercept readings and instrument constants.
A method for determining heights of objects using vertical angles and measured distances.
The process of calculating coordinates of traverse stations from field measurements.
Total Questions
2
Estimated Time
4 min
Passing Score
70%
1 more question available