Research Article
Nov 1978
Three-Dimensional Densification for Local Control
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VIEW THE REPLYPublication: Journal of the Surveying and Mapping Division
Volume 104, Issue 1
Abstract
In recent years local engineers and surveyors have often asked for precisely determined control points at a spacing of 2-km to 3-km. To fulfill this demand, a study is being conducted at the Univ. of Illinois at Urbana so as to densify the existing first-order geodetic control. Considered for this study are various configurations and electronic instrumentation that will provide a method for rapid field work, thus reducing the total project cost tremendously without reducing the desired high accuracy. Results of a new configuration, called the Central-Point Configuration, are more accurate than desired, both for horizontal and vertical control. This study will be of importance to all states and counties that need to establish a densified control net of higher accuracy with limited funds.
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Published In
Journal of the Surveying and Mapping Division
Volume 104 • Issue 1 • November 1978
Pages: 63 - 77
Copyright
© 1978 American Society of Civil Engineers.
History
Published in print: Nov 1978
Published online: Feb 12, 2021
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Authors
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Narendra K. Saxena, M.ASCE
Asst. Prof., Dept. of Civ. Engrg., Univ. of Illinois, Urbana, Ill.
Alan P. Vonderohe
Grad. Student, Dept. of Civ. Engrg., Univ. of Illinois, Urbana. Ill.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.