Strategy for Designing Geodetic Network with High Reliability and Geometrical Strength
Publication: Journal of Surveying Engineering
Volume 127, Issue 3
Abstract
The main design criteria in a geodetic network are precision, reliability and strength, and economy. The proper design of geodetic networks is an integral part of the geodesist's task. The main goal of this paper is to suggest a strategy for designing a geodetic network to meet high reliability and geometrical strength criteria. In this context, a real 2D deformation monitoring scheme has been selected to evaluate its design criteria. The results indicate that the perimeter of a geodetic network is relatively weaker than the middle. This means that the perimeter observations are usually weaker than those in the middle, the maximum distortions are usually located on the edge netpoints, and the maximum robustness parameters belong to the perimeter of the network. A strategy has been recommended to counter this problem. The results also showed that the robustness parameters in rotation, shear, and scale are affected by redundancy numbers. Actually, the largest robustness parameters are due to the weak observations in the network.
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References
1.
Amiri Seemkooei, A. ( 1998). Analytical methods in optimization and design of geodetic networks, Dept. of Surveying Engrg., K. N. Toosi University of Technology, Tehran, Iran.
2.
Baarda, W. ( 1968). “A testing procedure for use in geodetic networks.” Publ. on geodesy, New Series 2, No. 5, Neth. Geod. Com., Delft, The Netherlands.
3.
Cross, P. A. ( 1985). “Numerical methods in network design.” Optimization and design of geodetic networks, E. W. Grafarend and F. Sanso, eds., Springer, Berlin, 429–435.
4.
Grafarend, E. W. ( 1974). “Optimization of geodetic networks.” Bolletino di Geodesia a Science Affini, 33(4), 351–406.
5.
Grafarend, E. W., Kleusberg, A., and Schaffrin, B. ( 1980). “An introduction to the variance-covariance component estimation of Helmert type.” Zeitschrift für Vermessungswesen, 105, 161–180.
6.
Kuang, S. L. ( 1991). “Optimization and design of deformations monitoring schemes.” Tech. Rep. No. 157, Dept. of Surveying Engrg., UNB, Fredericton, Canada.
7.
Lerch, F. J. ( 1991). “Optimum data weighting and error calibration for estimation of gravitational parameters.” Bulletin Géodésique, 65, 44–52.
8.
Mahab Godss Engineering Company. ( 1996). “The first epoch of Alavian dam monitoring network observations.” 92, Payvandi, Kargozar, Shahid Dastjerdi St., Tehran, Iran.
9.
Vaníček, P., Krakiwsky, E. J., Craymer, M. R., Gao, Y., and Ong, P. S. ( 1990). “Robustness analysis.” Tech. Rep. No. 156, Dept. of Surveying Engrg., UNB, Fredericton, Canada.
Information & Authors
Information
Published In
Journal of Surveying Engineering
Volume 127 • Issue 3 • August 2001
Pages: 104 - 117
History
Received: Jul 10, 2000
Published online: Aug 1, 2001
Published in print: Aug 2001
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