Tag Archives | Lines

Right Angles and Foot of Perpendicular on the Lines | Chain Surveying | Surveying

This article throws light upon the top five instruments that are used for setting out right angles and finding the foot of perpendicular from the object on the lines. The instruments are: 1. Cross Staff 2. Optical Square 3. Prism Square 4. Offset Rod 5. Measuring Tape. Instrument # 1. Cross-Staff: It is generally found in two patterns: (i) Open [...]

By N.Priyanka|2017-03-21T08:41:03+05:30March 15, 2017|Chain Surveying|Comments Off

Determining Relative Directions of Lines| Theodolite Surveying |Surveying

The chief methods by which the relative directions of lines may be determined are: 1. Theodolite Traversing by Directs Observation of Angles 2. Theodolite Traversing by Direct Observation of Bearings. Method # 1. Theodolite Traversing by Directs Observation of Angles: In this method, the angles between the successive lines are measured, and the bearing of the starting line is observed. [...]

By N.Priyanka|2017-03-15T04:37:58+05:30March 15, 2017|Theodolite Surveying|Comments Off