Digital library of construction informatics
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Esa Viljamaa, Pekka Kilpelainen, Esa-matti Sarjanoja, Tomi Moakkonen, Teemu Kivimaki, Rauno Keikkila

Utilisation of a 3D Design Data in Controlling Pile Driving

Abstract: This research was concentrating on an exploitation of 3D design data to ground strengthening, especially focusing on the pile driving process. An XML model (schema) was defined for digital piling plan and as-build-data from the piling. The schema was targeted to cover the complete piling information flow from the piling plan from the 3D CAD software to the actual pile realisation data e.g. location and bearing capacity data, produced by the piling machine. In addition to the information management, a guiding system for the piling machine driver was developed. The guiding system included sensors and RTK-GPS positioning system for measuring the location of tool of the piling machine in relation to the planned locations of the piles. The system gives visual instructions for the driver for positioning of the piles according to the plan. A wireless database connection is used for synchronisation of the planned and realised piles information. The progress of the piling work can be easily supervised using an internet browser. The first proof-of-concept system was developed and tested during the year 2009. The main advantages of the system are reduced staking out work, faster pile positioning, automated piling data logging and data transfer between office and worksite and more up-to-date information about the progress of the piling work.

Keywords: pile driving, product modelling, positioning, RTK-GPS


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Series: w78:2010 (browse)
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Ha_kan Norberg & Thomas Olofsson


Abstract: This paper explores a proposed process model for construction synchronisation. The aim of the paper is to show the potential of working according to the Last Planner System of production and control by combining time-space planning methods and Field Force Automation. In addition, the paper aims to show the benefits of working with real time support regarding taking control actions in the schedule and to collect data for follow- up analysis. The paper first provides a background of the research and a description of the various methods and tools used in the process model. A process model is proposed based on the last planner and control system for the implementation of a new ICT tool with the purpose to enhance, planning and control in order to enhance construction synchronisation. It is concluded that site managers needs tools to change their view of planning from static view of the schedule which can be revised once or twice per project to the view that the schedule is a total dynamic instrument to be used to develop prognosis and measure for avoiding waste and delays in the realisation phase of the construction project. The paper is concluded with suggestions for how the method can be further developed and improved.

Keywords: Construction synchronisation, Last Planner, 4D modelling, location based scheduling, field force automation


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Series: w78:2008 (browse)
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