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Wind will affect the length of the (Gunters) chain. Wear and tear and dirt are other sources of error. The tension in the chain must be within narrow limits - too much and the… indicated distance is too long, too little, and the length is too short. Temperature of the chain should be corrected for. The chain ends should lie in a horizontal plane. Several repeated measurements should be made until a consistency of results is obtained.
A chaining instrument is one used to measure the straight line distance between two points by comparing the distance to a known lenght. In past times a chain of known link dis…tance was used, typically the chain 66 feet was used roughly 30m with 100 links. Nowadays if a surveying tape or a metal band is used, it is still called chaining.
One chain = 66 survey feet.
linear meaurments only
In ancient Rome, the stage area in front of the scaenae frons was known as the "proscenium", meaning "in front of the scenery". In the Roman theater, no proscenium arch existe…d, in the modern sense. However, Roman theaters were similar to modern proscenium theaters in the sense that the entire audience had a restricted range of views on the stages of which were from the front, rather than the sides or back.
Advantages of chain: 1) They can be read easily and quickly 2)They can withstand wear and tear 3) They can be easily repaired in the field Disadvantages of chain: 1) They are… heavy and take too much time to open or fold 2)They become longer or shorter due to continuous use 3)When measurement is taken in suspension the chain sags excessively
chain surveying is one of the types of survey methods. It is used to survey short length lands
There were several versions of measuring chains in history, but the most popular for the last 400 years was the Gunter's chain, measuring 66 feet, having 100 links. The 66-foo…t measurement has the interesting characteristic that it is the square root of 4356, which is 1/10 of the number of square feet in an acre. Thus, ten square chains is on acre. Obviously, a mile is also composed of 80 chains (5280/66). Many land surveys into the 20th century continued to use chains in the USA, as well as rods, which is exactly 1/4 of a chain.
metric chain gunters chain engineers chain revenue chain
Those are disturbing the line of measuring is called Obstacles. The actual length of the chain is become short or some time long. this error factor are removed by calculation …after measuring the distance between then by as Total Distance = (difference in length of chain /original length of chain)* Measured Distance.
A tie line is a line which joins subsidiary or tie stations to the main line. The main object of running a tie line is to take the details of nearby objects but it also se…rves the purpose of a check line.
This term is often used in Chain Surveying, The longest of the chain lines formed in doing a survey is generally regarded as the base line. It is the most important line in do…ing survey . The framework of the whole survey built up on the base line as it fixes up the direction of all other lines.It should be measured with great accuracy and precision .For accuracy The base line should be measured twice or thrice.
Type your answer here... It is the method of land surveying in which only linear measurements are made. Chain surveying requires chain, tape and ranging rods. Chain surveying …is not suitable for large areas having many details. (The term "details" means a natural or man-made features at or near the ground surface)
inaccuracy of the results