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Pregled bibliografske jedinice broj: 19738

Independent control of geodetic networks above long tunnels by means of astronomically determined azimuths


Solarić, Nikola; Bilajbegović, Asim; Solarić, Miljenko; Špoljarić, Drago
Independent control of geodetic networks above long tunnels by means of astronomically determined azimuths // Proceedings Surveying of Large Bridge Tunnel Projects, FIG Symposium / Johansen, S.K. (ur.).
Copenhagen: FIG, 1997. str. 215-227 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


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Naslov
Independent control of geodetic networks above long tunnels by means of astronomically determined azimuths

Autori
Solarić, Nikola ; Bilajbegović, Asim ; Solarić, Miljenko ; Špoljarić, Drago

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings Surveying of Large Bridge Tunnel Projects, FIG Symposium / Johansen, S.K. - Copenhagen : FIG, 1997, 215-227

Skup
Surveying of Large Bridge Tunnel Projects

Mjesto i datum
Kopenhagen, Danska, 02.-05.06.1997

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
control of geodetic networks; long tunnels; astronomically determined azimuths

Sažetak
The work presents the automated astronomical method of determining azimuth and grid azimuth toward to some object on the surface of the Earth. The accuracy of astronomical azimuth determination by observing Polaris with electronic thedolite Kern E2 and Leica T3000 amounts to ą0.4". Such high accuracy in grid azimuth determination enables the control in setting the direction for the tunnel cutting. The paper also describes the application of this method and computation of the influence that the deflection components of the vertical have during the independent control of geodetic networks above the tunnel Chiffa in Algeria and the tunnel Nevesinje in Bosnia and Herzegovina. They are longer than 12 km. The application of astronomical method in azimuth and grid azimuth determination makes it possible to obtain the control of geodetic network accuracy with another independent method. At the same time, the deflection components of the vertical are also controlled. They can significant to influence on the orientation of traverses at the entrances into tunnels, especially if the line of sight to the orientation points are steep. It is also very important in modern GPS technology.

Izvorni jezik
Engleski

Znanstvena područja
Geodezija



POVEZANOST RADA


Projekti:
007005

Ustanove:
Geodetski fakultet, Zagreb


Citiraj ovu publikaciju:

Solarić, Nikola; Bilajbegović, Asim; Solarić, Miljenko; Špoljarić, Drago
Independent control of geodetic networks above long tunnels by means of astronomically determined azimuths // Proceedings Surveying of Large Bridge Tunnel Projects, FIG Symposium / Johansen, S.K. (ur.).
Copenhagen: FIG, 1997. str. 215-227 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)
Solarić, N., Bilajbegović, A., Solarić, M. & Špoljarić, D. (1997) Independent control of geodetic networks above long tunnels by means of astronomically determined azimuths. U: Johansen, S. (ur.)Proceedings Surveying of Large Bridge Tunnel Projects, FIG Symposium.
@article{article, editor = {Johansen, S.}, year = {1997}, pages = {215-227}, keywords = {control of geodetic networks, long tunnels, astronomically determined azimuths}, title = {Independent control of geodetic networks above long tunnels by means of astronomically determined azimuths}, keyword = {control of geodetic networks, long tunnels, astronomically determined azimuths}, publisher = {FIG}, publisherplace = {Kopenhagen, Danska} }
@article{article, editor = {Johansen, S.}, year = {1997}, pages = {215-227}, keywords = {control of geodetic networks, long tunnels, astronomically determined azimuths}, title = {Independent control of geodetic networks above long tunnels by means of astronomically determined azimuths}, keyword = {control of geodetic networks, long tunnels, astronomically determined azimuths}, publisher = {FIG}, publisherplace = {Kopenhagen, Danska} }




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