Describe Different Kinds of Chains Used for Linear Measurement
Suppose it is required to measure the horizontal distance between the points A and B Fig. These types of chains comes in many lengths such as 5 10 20 and 30 meters. Types Of Measuring Chains And Tapes In Civil Surveying Engineering They have 100 links with talleys at every 2 m. . By extension chainage running distance is the distance along a curved or straight survey line from a fixed commencing point as given by an odometer. Gunters chain or surveyors chain. The method consists in measuring the line in short horizontal lengths called steps. The linear measurement is the distance between the two given points or objects. Simple rings are provided at every one meter length except wherever tallies are provided. Linear measurements in surveying can be performed by mainly three methods namely direct method electromagnetic methods and optical methods. From A and C erect perpendicular or parallel lines AD and CE ...