Abstract
Geology is the base for highways and tunnels construction. With the fast development of national highway construction, highway tunnel construction project are more and more complex. The completeness and accuracy are essential for the planning, design and construction of projects, while the ground information is quite poor in systematic, reliable and timely aspects. Therefore, the development of underground road tunnels, and the implementation of informationized spatial information management is urgent for highway construction. 3D geological tunnel model is intuitive, high efficient and convenience which greatly facilitates the maintenance and security of highway tunnels construction and it will be the trend for the future highway tunnel development.
Highlights
GIS based technology plays a very important role in promoting the digitalization and informationzation development of highway tunnel projects, especially for surveying project which needs to store and manage large database and geological information
The development of underground road tunnels, and the implementation of informationized spatial information management is urgent for highway construction. 3D geological tunnel model is intuitive, high efficient and convenience which greatly facilitates the maintenance and security of highway tunnels construction and it will be the trend for the future highway tunnel development
By 3D GIS technology to convert these geological results to 3D geological modeling which is easy to understand and analyze. 3D geological model can clearly reflect the geological structure of inner tunnels
Summary
GIS based technology plays a very important role in promoting the digitalization and informationzation development of highway tunnel projects, especially for surveying project which needs to store and manage large database and geological information. This method will solve the problem in highway tunnel project data application. 3D geological model can clearly reflect the geological structure of inner tunnels This has great significance in highway tunnel option, construction early warning, security and latter conservation. Two parallel plane structures usually uses contour lines connection algorithm. This algorithm is based on the single model between parallel shared profiles. The geological bodies are adjacent with each other, so the classic contour lines connection algorithm is not suitable in 3D geological modeling based on approximate parallel profile
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