Archive for the ‘Surveying and Levelling’ Category
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
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,
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
Terms related to Contouring | Objects of Contouring | Uses of Contour maps | Characteristics of Contours | Methods of ContouringMonday, August 29, 2011 0:20 No Comments
Contouring: 1. Contour line The intersection of ground surface and level surface is called
Hydrologic Cycle: The various aspects of water related to earth and their interaction can be explained in terms of a cycle
Hooke’s law of elasticity: In mechanics, and physics, Hooke’s law of elasticity is an approximation that states that the
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.
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
The process of establishing or developing intermediate points between two terminal points or end points on a straight line is known as ranging.