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• González-Aguilera, D
• Gómez-Lahoz, J
• Sánchez, J
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• Sánchez, J

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Sensors 2008, 8(9), 5866-5883; doi:10.3390/s8095866

Article

A New Approach for Structural Monitoring of Large Dams with a Three-Dimensional Laser Scanner

Diego González-Aguilera^1,* , Javier Gómez-Lahoz¹  and José Sánchez²

¹ Cartographic and Land Engineering Department. University of Salamanca, Hornos Caleros, 50, 05003 Avila, Spain ² ECONTOP S.L. Avila, Spain

* Author to whom correspondence should be addressed.

Received: 29 August 2008; in revised form: 19 September 2008 / Accepted: 23 September 2008 / Published: 24 September 2008

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Abstract: Driven by progress in sensor technology, computer methods and data processing capabilities, 3D laser scanning has found a wide range of new application fields in recent years. Particularly, monitoring the static and dynamic behaviour of large dams has always been a topic of great importance, due to the impact these structures have on the whole landscape where they are built. The main goal of this paper is to show the relevance and novelty of the laserscanning methodology developed, which incorporates different statistical and modelling approaches not considered until now. As a result, the methods proposed in this paper have provided the measurement and monitoring of the large “Las Cogotas” dam (Avila, Spain).

Keywords: Active Sensor; Laserscanning; Point-based Techniques; Computer Methods; Structural Monitoring

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