Equipment Used In Chain Surveying
Equipment Used In Chain Surveying, Surveying Chain, Types of Chain- Revenue chain, Gunter’s chain, Engineer’s chain, Metric chain, Suitability of Chain, Unsuitability of Chain, Units of Measurement, Tapes-Cloth or Linen Tape, Metallic Tape, Steel Tape, Invar Tape, Pegs, Arrows, Ranging rods, Offset rods, Plumb bob, Clinometer, Cross-staff, Optical Square, Prism Square, Chain Survey Instruments, Distance Measuring Device, Instruments Used for Various Types of Measurement
Topics
In tacheometry we details discuss about tacheometry, instrument used in tacheometry, tacheometer, stadia rod, stadia system, fixed hair system, movable hair system, tangential system, subtense bar system, theory of tacheometer, distance and elevation through tacheometer when a staff is vertical & staff is perpendicular to line of sight.
In trigonometric levelling, we details discuss about trigonometric levelling, determination of elevation of object when its base are accessible & not accessible & when the two instruments are not in the same vertical plane.