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Total station surveying
Total station surveying combines electronic distance measurement, digital theodolites, and microprocessors for efficient surveying. It includes functionalities like angle and distance measurement, coordinate calculations, and various applications across fields such as civil engineering and mining. Key operations include centering, leveling, and focusing to ensure accurate data collection.
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Total station surveying
- 1. 1 Presentation On Total StationSurveying Binabh Devkota binabhdevkota@gmail.com Course: GEOM 201 Teacher: Er. Basudev Bhandari
- 2. Introduction • Total Station -Digitalinstrument -Combination of EDM, Digital Theodolite and microprocessor -Angle measurement (horizontal and vertical) -Distance measurement (slope, horizontal, vertical) -Direct co-ordinates calculation -One of the most used modern instruments 2
- 3. Terms Used InTotal Station Survey • Vertical axis: axis about which instrument can be rotated in horizontal plane • Horizontal(trunnion) axis: axis about which instrument can be rotated in vertical plane • Line of sight or line of collimation: line through intersection of cross hairs, optical center of object glass and continued • Swinging: rotating 180⁰ in horizontal plane about vertical axis • Transiting: rotating 180⁰ in vertical plane about horizontal axis • Face left/right observation: observation done when vertical circle is left/right to observer 3
- 4. Parts of TotalStation 4 Source: http://theconstructor.org/surveying/total-station-operation-uses-advantage/6605/
- 5. Temporary Adjustments • Centering:process in which the vertical axis of the instrument is coincided with the plumb line • Levelling: making the vertical axis of instrument truly vertical • focusing: adjustment of telescope to obtain clear visibility of image through eyepiece and objective lens 5Source: http://www.usouthal.edu/geography/allison/GY301/Total%20Station%20Setup%20and%20Operation.pdf
- 6. Fundamental Measurements • Distance •Rotation of optical axis in horizontal plane • Inclination of optical axis in vertical plane 6 Source: http://www.minesurveyor.net/equiptotalstation.php Source: https://www.alibaba.com/product- detail/PJK-CHEAP-NON-PRISM-TOTAL- STATION_60297734758.html
- 7. Additional Features • Co-ordinateCalculation • Remote Elevation Measurement • Missing Line Measurement • Recording of data 7 Source: http://www.topcon.co.jp/en/positioning/produ cts/product/ts00/GTS-250_E.html Source: http://www.usouthal.edu/geography /allison/GY301/Total%20Station%20S etup%20and%20Operation.pdf
- 8. Applications • Mining/Tunnelling • Metrology •Civil Engineering • Control Surveying • Topographical surveying 8 Source: http://www.sudburyminingsolutions.com/new- total-station-offers-scanning-capability.html Source: https://www.zenithsurvey.co.uk/category/leica-builder/
- 9. References • Punimia, D.B., Jain, K. A., & Jain, K. A. (2005). SURVEYING VOL. I. Jodhpur: Laxmi Publications (P) LTD • Hoffman, A. (2013, March 22). The Total Station & Land Surveys: A Background Story. Retrieved October 13, 2016, from GODFREY HOFFMAN ASSOCIATES: http://www.godfreyhoffman.com/civil- engineering-blog/bid/278047/the-total-station-land-surveys-a- background-story • surveyhistory.org. (n.d.). The Surveyor's Basic Tools. Retrieved January 20, 2017, from Survey History: http://www.surveyhistory.org/the_surveyor's_basic_tools.htm 9
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