Geodetic network design and strategies followed for drilling a 25 km tunnel for high speed railway in Spain

Velasco Gomez, Jesus and Prieto Morin, Juan Francisco and Herrero Tejedor, Tomás Ramón and Fabrega Golpe, Jose Maria (2010). Geodetic network design and strategies followed for drilling a 25 km tunnel for high speed railway in Spain. In: "XXIV FIG International Congress", 11/04/2010 - 16/04/2010, Sidney, Australia.

Description

Title: Geodetic network design and strategies followed for drilling a 25 km tunnel for high speed railway in Spain
Author/s:
  • Velasco Gomez, Jesus
  • Prieto Morin, Juan Francisco
  • Herrero Tejedor, Tomás Ramón
  • Fabrega Golpe, Jose Maria
Item Type: Presentation at Congress or Conference (Article)
Event Title: XXIV FIG International Congress
Event Dates: 11/04/2010 - 16/04/2010
Event Location: Sidney, Australia
Title of Book: Proceedings of XXIV FIG International Congress
Date: 2010
Subjects:
Freetext Keywords: TBM, tunnel breakthrough, underground network, surface network, accuracy, gyrotheodolite azimuth
Faculty: E.U.I.T. Agrícolas (UPM)
Department: Ingeniería Cartográfica, Geodesia y Fotogrametría [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

During the last years several large high-speed railway tunnels have been built in Spain. To solve these projects, technical and scientific problems have been solved from the geodetic and surveying point of view. These studies have allowed us to set a methodology that optimizes the performance of this kind of works in the world of Civil Engineering. We have applied our studies to the Tunnels of Pajares that are the second longest ones in Spain with a total longitude of about 25 km. The studies summarize the design of the geodetic networks to support the guidance of the TBMs used as well as the election of the observations to be done, the instrumental to be used and the observation and computation procedures to be followed. A special emphasis has been taken into account for the treatment of the uncertainty of the coordinates, displacements and breakthrough obtained during the drilling tasks. The article shows the results obtained and the conclusions that can be followed in order to successfully complete a similar project.

More information

Item ID: 9152
DC Identifier: http://oa.upm.es/9152/
OAI Identifier: oai:oa.upm.es:9152
Official URL: http://www.fig.net/
Deposited by: Memoria Investigacion
Deposited on: 07 Oct 2011 10:00
Last Modified: 20 Apr 2016 17:40
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