Tapes are used in surveying to take linear measurements. They are available in different lengths and can be made of different materials. The 5 most common types of tapes used in surveying are discussed in this article. Types of Tapes ...
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Types of Tide Gauges
Tide gauge is an instrument used to measure the changes in water level with respect to a vertical datum. The variations in sea level during high tides and low tides are measured by using tide gauge. It is mainly used ...
Sextant – Principle, Types, and Uses
A sextant is an instrument used for measuring the angle between two visible objects. Both horizontal and vertical angles can be measured using a sextant. It contains two mirrors which are arranged in such a way that the observer can ...
Errors in Plane Table Surveying
Plane table surveying is a type of surveying in which plotting and field observations are done at the same time. In this article, errors encountered while conducting plane table surveying are briefly explained. Errors in Plane Table Surveying The errors ...
Chain Survey – Procedure, Applicability, Survey Stations and Their Selection
Chain surveying is considered to be the simplest method of surveying in which measurements are taken in the field and other supplementary works like plotting calculations are carried out in office. The measurements in chain surveying are linear- angular measurements ...
Terms Used in Plane Table Surveying
Meanings of various terms used in plane table surveying must be known before attempting for survey. Each term in plane table survey is useful and their determination during the surveying procedure is important. Terms Used in Plane Table Surveying 1. ...
Dumpy Level Surveying – Components, Procedure, Advantages
Dumpy level is commonly used leveling instrument to locate the points in same horizontal plane. Components, procedure and advantages of dumpy level surveying is discussed.
Photogrammetry – Aerial Photography and Procedure in Surveying
Photogrammetry or aerial photography is the branch of surveying that deals with production of maps such as planimetric or topographic maps by compiling number of photographs taken in that area. Photogrammetry consists two branches: Terrestrial photogrammetry Aerial photogrammetry In terrestrial ...