week 8-9-10: Use of Digital Level, Determination of heights and slopes with Abney level. (field survey)

This lesson includes the following topics:

  1. General description kinds of levels, adjustments in levels-contours by clinometer-Tangent scale clinometers use with Plane Table laying out of contours – leveling
  2.  Procedure of leveling, methods of calculating reduced levels. Profiles, longitudinal leveling, cross-sectional leveling- accuracy required in leveling operation. Advantage and source of errors in leveling procedure

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1587361997-2-levelling-theory-2014.pdf (12.22 MB )