Author： Liu Chun Yao Lianbi
Publisher： Maney Publishing
ISSN： 1752-2706
Source： Survey Review, Vol.39, Iss.305, 2007-07, pp. : 193-202
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Abstract
Piling engineering is the first step in the construction of bridges and offshore platforms. However, limitations in the real-time determination of the positions of piling pickets exist. For instance, requirement of line of sight, lack of real-time positioning capability and fragility to the hostile obeservation environment are typical problems for the traditional surveying techniques.The use of real-time kinematic Global Position System (RTK GPS) can integrate the field measurements with the real-time computation into a uniform positioning system, which can significantly improve the productivity and efficiency of the whole system. In this paper, the authors propose a real-time piling positioning system for the determination of the pickets. Relevant algorithms and models are presented. As a case study, results of the developed system for a piling project at a long cross-sea bridge, Donghai Bridge in Shanghai, China are introduced.
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