Archive for the ‘Surveying and Levelling’ Category

Simple and Differential levelling

Friday, August 14, 2015 12:31 No Comments

Simple levelling When it is required to find the difference between two points which are visible from a single position of level. Then the method used is simple levelling. Suppose A and B are two points

This was posted under category: Surveying and Levelling

Definition of Change Point and Station

Thursday, August 13, 2015 21:44 No Comments

Change Point It may be defined as: A Change Point ( C.P) is a point which shows the shifting of the level. It is a point on which fore and back sights are taken. Any stable and well defined object such as boundary stone,

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Principles of Surveying

Thursday, August 13, 2015 21:26 No Comments

Principles of Surveying Followings are the principles of surveying which should be kept in mind while determining the relative positions of points on the surface of earth: To work from whole to part

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Terms related to Contouring | Objects of Contouring | Uses of Contour maps | Characteristics of Contours | Methods of Contouring

Monday, August 29, 2011 0:20 No Comments

Contouring: 1.     Contour line The intersection of ground surface and level surface is called

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Hydrologic Cycle | Various Aspects of Hydrologic Cycle | Engineering applications

Saturday, August 27, 2011 10:52 No Comments

Hydrologic Cycle: The various aspects of water related to earth and their interaction can be explained in terms of a cycle

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Hooke’s Law of Elasticity | Definition of Elastic Materials

Sunday, December 5, 2010 6:43 No Comments

Hooke’s law of elasticity: In mechanics, and physics, Hooke’s law of elasticity is an approximation that states that the

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Base Line

Tuesday, August 31, 2010 11:09 4 Comments

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.

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Survey Stations | Main Stations | Subsidiary or Tie Station

Tuesday, August 31, 2010 11:07 1 Comment

A Survey Station is a point of Importance at the beginning and end of a chain line. There are two main types of stations namely

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Ranging | Direct Ranging | Indirect Ranging

Tuesday, August 31, 2010 11:02 No Comments

The process of establishing or developing intermediate points between two terminal points or end points on a straight line is known as ranging.

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Chaining and Taping

Tuesday, August 17, 2010 18:30 No Comments

The measurement of distance with the help of chain or tape is known as chaining. However the term chaining

This was posted under category: Surveying and Levelling