The paper examines the economy and benefits of 3-D design method in concrete bridge engineering. New 3-D CAD design tools and 3-D measurement methods were developed and tested in the several real bridge construction projects in Finland during [2001][2002][2003][2004]. The paper describes these observations and suggests some conclusions for future developments as well as more expansive utilization especially in bridge construction in Finland. The next steps to be projected are also described.
This paper describes the first results of an R&D project "Intelligent Bridge" carried out in Finland. The aim of the project is to develop new methods for 3-D design of concrete bridges and further connect and bring the design models to the source information of site measurements. A new design concept for 3-D concrete bridge design was developed and preliminarily tested in a pilot design office. The site tests of the first implementations of real time CAD/CAM measurements using a 3-D robot tachometer, as well as a 3-D laser scanning technique, are presented and evaluated.
<p>This paper describes the conceptual design and the main principles of structural design of the Chenab Bridge. The main focus is to explain the exceptional bridge concept in challenging terrain and to give an overall description of design solutions used in one of the highest steel arch railway bridge in the world.</p>
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