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   Levelling  PDF
Formulas : 23
Size : 363 kb
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Contents of the Levelling PDF

List of 23 Levelling Formulas

Angle between Line of Sights given Radius of Curvature
​Go
Angle between Line of Sights in Radians
​Go
Angle of Dip for Compass Surveying
​Go
Back Sight given Height of Instrument
​Go
Combined Error Due to Curvature and Refraction
​Go
Correction on Refraction Error
​Go
Difference in Elevation between Ground Points in short lines under Trigonometric levelling
​Go
Difference in Elevation between Two Points using Barometric Levelling
​Go
Distance between Two points under Curvature and Refraction
​Go
Distance for small errors under Curvature and Refraction
​Go
Distance from Instrument to Staff given Angle between LOS
​Go
Distance to Visible Horizon
​Go
Error Due to Curvature Effect
​Go
Height of Instrument
​Go
Height of Observer
​Go
Number of Division where Bubble Moves given Staff Intercept
​Go
Permissible Closing Error for Accurate Levelling
​Go
Permissible Closing Error for Ordinary Levelling
​Go
Permissible Closing Error for Precise Levelling
​Go
Permissible Closing Error for Rough Levelling
​Go
Radius of Curvature of Tube
​Go
Reduced Level given Height of Instrument
​Go
Staff Intercept given Angle between LOS
​Go

Variables used in Levelling PDF

  1. BS Back Sight (Meter)
  2. c Error due to Curvature
  3. cr Refraction Correction
  4. c_r Combined Error (Meter)
  5. D Distance between Two Points (Meter)
  6. Dp Distance between Points (Meter)
  7. e Closing Error (Meter)
  8. h Height of Observer (Meter)
  9. hi Height of point A (Meter)
  10. ht Height of point B (Meter)
  11. HI Height of Instrument (Meter)
  12. l One Division Length (Millimeter)
  13. M Measured Angle (Degree)
  14. n Number of Division
  15. R Earth Radius in km
  16. RC Radius of Curvature (Millimeter)
  17. RL Reduced Level (Meter)
  18. si Staff Intercept (Meter)
  19. T1 Temperature at Lower Ground Level (Celsius)
  20. T2 Temperature at Higher level (Celsius)
  21. α Angle between LOS (Radian)
  22. Δh Elevation Difference (Meter)
  23. θ Dip Angle (Degree)

Constants, Functions and Measurements used in Levelling PDF

  1. Constant: pi, 3.14159265358979323846264338327950288
    Archimedes' constant
  2. Function: log10, log10(Number)
    The common logarithm, also known as the base-10 logarithm or the decimal logarithm, is a mathematical function that is the inverse of the exponential function.
  3. Function: sin, sin(Angle)
    Sine is a trigonometric function that describes the ratio of the length of the opposite side of a right triangle to the length of the hypotenuse.
  4. Function: sqrt, sqrt(Number)
    A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number.
  5. Measurement: Length in Millimeter (mm), Meter (m)
    Length Unit Conversion
  6. Measurement: Temperature in Celsius (°C)
    Temperature Unit Conversion
  7. Measurement: Angle in Radian (rad), Degree (°)
    Angle Unit Conversion
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Free Levelling PDF

Get Free Levelling PDF for Download today. Examples are included after each Formula with a link to a live Calculator! All the Formulas and Calculators support Unit Conversion as well. This PDF features 23 calculators from Surveying Formulas. Inside, you'll discover a list of formulas such as Distance between Two points under Curvature and Refraction, Distance for small errors under Curvature and Refraction and 23 more formulas!. The Variables, Functions and Constants are summarized at the end. Explore and share Levelling PDFs!

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